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China manufacturer High Efficiency Electric Ec Brushless Motor for Refrigeration/Air Conditioning vacuum pump engine

Product Description

Product Description

EC MOTOR for Refrigeration is a high-performance electronically commutated motor, specifically designed for refrigeration and air conditioning systems. lt provides superior efficiency, precise control, and long-lasting reliability for demanding applications.

– Large power range:3-30W
– Large size and angle range of fan blades can be used
– Low noise, low vibration
– Low energy consumption and high efficiency

Features:

1) High Efficiency: 
The EC MOTOR for Refrigeration has a brushless DC design that provides up to 70% efficiency, which is significantly higher than traditional AC motors.The motor’s integrated electronic control system continually monitors operating conditions and adjusts the motor’s speed, resulting in reduced energy consumption, lower operating costs, and longer service life.

2) Precise Control: 
The motor has a smooth, continuous speed control that enables precise temperature and humidity regulation. The EC MOTOR for Refrigeration can operate at variable speeds to match system demand, making it an ideal choice forenergy-efficient systems.

3) Reduced Noise and Vibration: 
The brushless DC design and electronic control systerresult in less noise and vibration compared to traditional AC motors. This makes it anexcellent choice for quiet environments

4) Compact Design: 
The compact design of the EC MOTOR for Refrigeration provides a high power-to-size ratio, which makes it an ideal choice for space-constrained applications.

Specifications:

1) Voltage: 
The motor operates on a range of voltages, from 100V to 240V.

2) Speed: 
The motor’s speed can be controlled between 300RPM to 1800RPM depending on the application.

3) Control: 
The motor features an integrated electronic control system that provides precise speed control and system monitoring.

4) Operating Temperature:
The motor can operate in a temperature range from -40°C to +50°C

Overall, the EC MOTOR for Refrigeration is a highly efficient, reliable. and precise motor designed to meet the demands of refrigeration and air conditioning applications. lts superior performance makes it an ideal choice for OEMs and system integrators looking to improve system efficiency and reliability.

As long as you are a manufacturer of super-market refrigeration equipements, or beverage cabinets, or beer coolers etc, you will be in need of our EC Brushless Motor for Fan.
 

Product Parameters

MDAC6115A EC Brushless Motor Parameters:

MODEL Voltage
V
Maximum load SPEED
RPM
Minimum noise dB(A) Minimum vibration mm/s Maximum power 
W
Maximum efficiency
%
MDAC6115A 100-240V 300 28° 300-1800 39.5 1.2 30 70

LOAD/SPEED 200mm blade 230mm blade 254mm blade
28° 34° 28° 34° 28° 34°
1300RPM V V V V V V
1500RPM V V V V V V
1800RPM V V V X X X

Technical Parameter
Nominal voltage range 220-240VAC,100-240VAC,50/60Hz
Rotation speed range 300-  1800  rpm
Material PBT
Airflow direction Air exhaust or airintake (depending on impeller)
Direction of rotation CCW(view on drive end)
Degree of protection IP65
Insulation class “B”   VD,    “F” UL
Installation position Any
Mode of operation Continuous operation (S1)
Bearings Maintenance-free ball bearing system
Motor protection By electronics
Electrical hook-up Power cables
Protection class II(without grounding conductor)
Approvals CCC;   EAC;VDE,EN   6571-2-24,EN   6571-2-89,EN   6571-1
Fitting of attachments Guard grille and wall ring are attached to
the projecting thread ends on the
Mounting of axial impeller A plastic adapter with
catching peg and M4 screw is used to secure the impeller on the motor shaft
Ambient temperature -40ºC-50ºC

We continuously improve and pursue products that are more energy-efficient, stable, popular, and environmentally friendly. Compared to traditional covered pole motor products, EC has obvious advantages in high-efficiency and energy-saving electrodes, specifically:

Comparison details of MDAC6115A and 25W shaded pole motors:

1) Energy Saving 
It’s power consumption is around 1/3 of Shade-pole motor to meet the same function.

Such a siginificant energy saving is what your customers always wanted, considering the huge power consumption where your equiment is used for.
It’s also meeting high energy standard of North American and European market.

2) Job Saving
We have 2 models of EC Motor that are enough to cover almost all 7 models of Shade-pole motor for different refrigeration equipements, because EC Motor is designed to be speed adjustable.

– Adjustable speed saves your job of model selection for both purchaing team and technical team.
– Long life saves your job of after-sales.
– Energy sameing saves your job of explaining to your buyers.
– Wide voltage range saves your marketing policy to different markets.

Below listed the comparasion between our EC Motor and regular Shade-pole Motor:

  EC Motor 6115A Shade-Plole Motor 25W
Input Power 30W 100W
Out Power 20W 25W
Voltage 100-240V 110V or 220V
Height of The Motor 80mm +/-1 113mm +/-1
Noise 39.5dBA 60dBA
Motor Life 8~10years 3~5years
Bearing Ball bearing Sleeve bearing
Efficient up to 70% Max 18%
Speed 300~1800rpm 1300rpm
Certificate UL, VDE, CE, CCC, EX, RoHs UL, VDE, CE, CCC, EX, RoHs
Protect Level IP65 IP42

→Click to View More EC Motors Products!!!

Company Profile

We have our own design, research and development, testing equipment, and production line. The cost-effectiveness and after-sales service of our products are guaranteed, and we can provide technical support and customized services!

Exhibition

Certifications

With abundant technique force,we have our own researching, developing, manufacturing, inspecting and testingcenters, and imported the international advanced high-tech equipments. Our company has passed the ISO9001,ISO14001,OHS18001 international management system certificates. The products have got UL,ETL,CE,CB,and CCC certificates. Our products are not only selling strongly in more than 30 provincesand municipality,but also largely exporting to Europe,America,Australia,Middle East, Africa and South Asia. We have won an excellent reputation from the customers and friends by our product quality,price versus performance ratio and service.

FAQ

Q1: Are you a manufacturer or trader?
A1: ZHangZhoug Maidi Refrigeration Technology Co., Ltd. is a Hi-tech enterprise. We own the standard plant and office building which covering 21, 000 square meters. With abundant technique force, we have our own researching, developing, manufacturing, inspecting and testing centers, and imported the international advanced equipments.

Q2: How to replace refrigerator ec motor?
A2: We have a professional team of engineers who provide technical support and online guidance on product installation and replacement.

Q3: How do you ensure quality?
A3: We have a dedicated product research and testing center with authoritative quality management system certification: ISO9001/ISO14001/OHS18001.

Q4: How much does a refrigeration part cost?
A4: Factory price for you, not cheapest but the lowest at the same quality.

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Application: Refrigerators/Beverage Cabinets/Ice Maker, etc.
Speed: Variable Speed
Number of Stator: Three-Phase
Samples:
US$ 15/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

brushless motor

How do brushless motors compare to brushed motors in terms of lifespan and reliability?

When comparing brushless motors to brushed motors, there are notable differences in terms of lifespan and reliability. Here’s a detailed explanation of how brushless motors compare to brushed motors in these aspects:

1. Lifespan:

Brushed motors typically have a shorter lifespan compared to brushless motors. This is primarily due to the mechanical wear and tear associated with brushed motors. In brushed motors, the brushes and commutator make physical contact, causing friction, heat generation, and eventual wear. Over time, the brushes wear down and the commutator may become worn or damaged, leading to degraded motor performance and eventual failure. On the other hand, brushless motors do not have brushes or commutators, eliminating the mechanical wear components. As a result, brushless motors generally have a longer lifespan and can operate for thousands of hours with minimal maintenance.

2. Reliability:

Brushless motors are generally considered more reliable than brushed motors. The absence of brushes and commutators in brushless motors reduces the risk of failure due to mechanical wear and associated issues like brush sparking and arcing. The elimination of these moving parts also leads to reduced friction, less heat generation, and lower chances of electrical or mechanical failures. Additionally, brushless motors often benefit from advanced control systems that can monitor and protect against various operating conditions, enhancing their overall reliability.

3. Operating Conditions:

Brushless motors are better suited for demanding operating conditions compared to brushed motors. The absence of brushes and commutators in brushless motors means there are no physical contacts that can generate sparks or cause electrical arcing. This makes brushless motors more suitable for applications where sparks or electrical noise can be problematic, such as in explosive or sensitive electronic environments. Furthermore, brushless motors can operate at higher speeds and handle higher torque loads than brushed motors, making them more versatile in a wide range of applications.

4. Maintenance:

Brushless motors generally require less maintenance compared to brushed motors. Brushed motors often require periodic maintenance to replace worn-out brushes and address commutator issues. Additionally, the presence of brushes can lead to carbon dust buildup, requiring regular cleaning and maintenance. In contrast, brushless motors have no brushes or commutators to replace or clean, significantly reducing the maintenance requirements. However, it’s important to note that brushless motors may still require periodic inspections, especially for cooling systems or bearings, to ensure optimal performance and reliability.

5. Efficiency:

Brushless motors are typically more efficient than brushed motors. The absence of brushes and commutators in brushless motors reduces energy losses associated with friction and electrical resistance. This improved efficiency results in several benefits, such as reduced power consumption, longer battery life (in battery-powered applications), and less heat generation. Brushless motors are known for their high power-to-weight ratio and can deliver higher torque output per unit of input power compared to brushed motors.

In summary, brushless motors generally offer a longer lifespan and higher reliability compared to brushed motors. The absence of brushes and commutators reduces mechanical wear and associated failures, making brushless motors more durable. They are better suited for demanding operating conditions, require less maintenance, and offer improved efficiency. These factors have made brushless motors increasingly popular in various applications, including robotics, electric vehicles, industrial automation, and aerospace, where reliability and longevity are essential.

brushless motor

What types of sensors are commonly used in brushless motors for feedback and control?

In brushless motors, various types of sensors are commonly used for feedback and control purposes. These sensors provide essential data to monitor and control the motor’s position, speed, and other parameters. Here are some of the commonly used sensors in brushless motors:

1. Hall Effect Sensors:

Hall effect sensors are widely used in brushless motors for commutation control. Typically, three Hall effect sensors are positioned around the motor’s stator to detect the position of the rotor’s permanent magnets. By sensing the magnetic field changes, the Hall effect sensors determine the rotor’s position relative to the stator. This information is crucial for the motor’s electronic controller to apply the correct current to the motor’s windings and ensure proper commutation.

2. Encoder Sensors:

Encoders are commonly employed in brushless motors for precise position control. There are two main types of encoders used: optical encoders and magnetic encoders. Optical encoders use an optical disc with patterns and a light-emitting diode (LED) and photodetector to detect the rotation of the motor’s shaft. Magnetic encoders, on the other hand, utilize magnetic fields and sensors to measure the shaft’s position. Encoders provide high-resolution position feedback and enable accurate closed-loop control of the motor’s position.

3. Resolver Sensors:

Resolvers are another type of position sensor used in brushless motors. They consist of a rotor and a stator with windings. As the rotor rotates, the resolver measures the angular position by detecting the voltages induced in the stator windings. Resolvers are known for their durability and resistance to harsh environmental conditions, making them suitable for various industrial applications.

4. Current Sensors:

Current sensors are used to measure the current flowing through the motor’s windings. They provide feedback on the motor’s electrical load and enable monitoring of the motor’s torque output. Current sensors can be based on different principles, such as Hall effect, shunt resistors, or current transformers. By measuring the motor’s current, the control system can adjust the motor’s performance and protect it from overcurrent conditions.

5. Temperature Sensors:

Temperature sensors are utilized to monitor the motor’s temperature and prevent overheating. These sensors can be thermocouples, thermistors, or integrated temperature sensors. By continuously monitoring the motor’s temperature, the control system can adjust the motor’s operation, activate cooling mechanisms, or trigger alarms and shutdowns if the temperature exceeds safe limits.

6. Speed Sensors:

Speed sensors are employed to measure the rotational speed of the motor. They provide feedback on the motor’s speed and enable closed-loop speed control. Speed sensors can be optical or magnetic, relying on the detection of changes in position or magnetic field patterns to determine the motor’s speed.

The specific combination and utilization of these sensors depend on the motor’s design, control system requirements, and application needs. By using these sensors, brushless motors can achieve precise control, accurate position feedback, and efficient operation, making them suitable for a wide range of applications in industries such as automotive, robotics, aerospace, and industrial automation.

brushless motor

How do brushless motors contribute to energy efficiency compared to brushed motors?

Brushless motors offer several key advantages over brushed motors when it comes to energy efficiency. Here’s how brushless motors contribute to energy efficiency compared to brushed motors:

1. Elimination of Brush Friction:

In brushed motors, the brushes make physical contact with the commutator, resulting in friction and wear. This friction causes energy losses in the form of heat. Brushless motors, on the other hand, do not use brushes or commutators. The absence of brush friction significantly reduces energy losses, resulting in improved energy efficiency. The elimination of brush friction allows brushless motors to operate at higher efficiencies and reduces the amount of wasted energy dissipated as heat.

2. Reduced Electrical Resistance:

Brushed motors rely on the brushes and commutator to transfer electrical current to the rotor windings. However, these components introduce electrical resistance, leading to energy losses in the form of voltage drops and heat generation. In brushless motors, electrical current is transferred to the stator windings through electronic commutation, which eliminates the resistance caused by brushes and commutators. The reduced electrical resistance in brushless motors results in higher energy efficiency and minimizes power losses.

3. Improved Power Conversion:

Brushless motors employ electronic commutation, allowing for more precise control of the current flow in the stator windings. This precise control enables optimized power conversion, ensuring that the electrical energy supplied to the motor is efficiently converted into mechanical power. Brushed motors, on the other hand, rely on mechanical commutation, which is less efficient and leads to power losses in the form of sparks and arcing. The improved power conversion in brushless motors contributes to their higher energy efficiency.

4. Regenerative Braking:

Brushless motors have the capability of regenerative braking, which further enhances their energy efficiency. During braking or deceleration, the motor can act as a generator, converting the kinetic energy of the moving load back into electrical energy. This regenerated energy can be fed back into the power source or stored in batteries or capacitors for later use. Regenerative braking reduces energy wastage and improves overall system efficiency by recovering and reusing energy that would otherwise be dissipated as heat in traditional braking systems.

5. Optimal Sizing and Control:

Brushless motors can be designed and controlled to match the specific requirements of the application, resulting in optimal sizing and operation. By selecting the appropriate motor size, torque rating, and control parameters, the motor can operate at its most efficient operating point. This tailored approach ensures that the motor operates with minimal energy losses and maximizes its energy efficiency. In contrast, brushed motors may be oversized or underutilized for certain applications, leading to less efficient operation and higher energy consumption.

Overall, brushless motors offer higher energy efficiency compared to brushed motors due to the elimination of brush friction, reduced electrical resistance, improved power conversion, regenerative braking capabilities, and the ability to optimize motor sizing and control. These energy-saving features make brushless motors a preferred choice in various applications, particularly those that prioritize energy efficiency, such as electric vehicles, renewable energy systems, and battery-powered devices.

China manufacturer High Efficiency Electric Ec Brushless Motor for Refrigeration/Air Conditioning   vacuum pump engine	China manufacturer High Efficiency Electric Ec Brushless Motor for Refrigeration/Air Conditioning   vacuum pump engine
editor by CX 2024-05-16

China manufacturer AC 5kw 8kw 10kw Electric Car Motor Brushless Motor vacuum pump adapter

Product Description

 

 

Detailed Photos

Product Parameters

 

Model battery voltage
V
Rated speed
rpm
Peak Speed
rpm
Rated Power
kw
Peak Power
kw
Back EMF
v
Peak Current
A
Rated Torque
N.m
Peak Torque
N.m
Gearbox Ratio Cooling Type
Powertrain:Motor and controller 2 in one
MC6-46-HP 60 2500 6000 3 6 10.9 190 11.5 46 / natural cooling
MC10-75-HP 72 3410 7500 10 20 12 320 28 85 / natural cooling
MC10-60-48-HP 48 3500 6500 6 10 11.55 295 16.4 60 / natural cooling
MC20-80-96-HP 96 4500 7500 10 20 12 320 21 85 / natural cooling
Powertrain:Motor and gearbox 2 in 1 with controller
P6-46-HP 60 2500 6000 3 6 10.9±0.5 190 11.5 46 8.33 natural cooling
P6-46-HP 72 2500 6000 3 6 10.9±0.5 190 11.5 46 8.33 natural cooling
P8-60-HP48 48 3000 6000 4 8 / 300 12.7 60 7.964 natural cooling
P8-60-HP60 60 3000 6500 4 8 / 300 12.7 60 7.964 natural cooling
P10-75-HP 60 3000 7500 5 10 12.5±0.5 270 16 75 8.33 natural cooling
P10-75-HP 72 3000 7500 5 10 12.5±0.5 270 16 75 8.33 natural cooling
P15-100-HP 60 4000 7500 7.5 15 12.2±0.5 400 18 100 8.33 natural cooling
P20-70-HP 96 5200 9300 12 20 9.5 350 22 70 8.34 natural cooling
P20-80-HP 96 4500 7500 10 20 12 320 21 80 8.34 natural cooling
P30-95-JM 144 4500 8700 15 30 14 320 32 95 8.34 natural cooling
Powertrain: Motor gearbox and controller 3 in one
P25-90-HP 108 4500 8000 15 25 14 320 32 90 8.34 natural cooling
P30-105-HP 320 4500 8000 15 30 42 120 32 105 8.34 natural cooling
P30-95-HP 144 4500 8700 15 30 14 320 32 95 8.34 natural cooling
P25-95-108-HP 108 4775 8000 14 25 12.6 400 26 95 8.34 natural cooling
P25-100-144-HP 144 4775 8000 13 25 12.6 370 26 100 8.34 natural cooling
P30-105-320-FHP 320 4500 7700 15 30 42 120 32 105 8.34 Controller with fan
P35-100-144-HP 144 4500 8700 15 35 14 350 32 100 8.34 water cooling
P45-120-HP 320 4050 12000 20 45 24.5 235 47 120 10.3 water cooling
P70-165-JL 336 4050 12000 30 70 32.85 255 70 165 10.5 water cooling
P100-220-HP 360 5000 14000 50 100 31.6 355 95.5 220 10 water cooling
P120-260-HP 360 5000 14000 60 120 28.5 460 114 260 10 water cooling

 

Our Advantages

XIHU (WEST LAKE) DIS. POWER master 3 core technologies of electric vehicle power assembly: motor, electric control and reducer; and XIHU (WEST LAKE) DIS. POWER has a global vision, adopts international advanced management concept, integrates R & D, manufacturing, sales and service, and provides customers with low-speed, high torque, high integration, high-speed and low noise, strong overload capacity, high protection level, system maintenance free The shape is exquisite and beautiful, the protection function is complete, the vector control and various Parameters can be adjusted according to the customer requirements.

Company Profile

Xihu (West Lake) Dis. Power Co.,Ltd. was founded in March,2571. It is a national Hi-Tech enterprise which specialized in providing energy-saving system.

Xihu (West Lake) Dis. Power Co., Ltd. consists of Xihu (West Lake) Dis. Power (ZheJiang ) Co., Ltd., Xihu (West Lake) Dis. Power (ZheJiang ) Co., Ltd., and Xihu (West Lake) Dis. Power (HangZhou) Co., Ltd. The headquarters is located at No. 26, Yingbin Avenue, National High-tech Zone, HangZhou, ZheJiang . The company can annually produce 250,000 electric vehicle powertrains, 300,000 electric vehicle motors, and 300,000 controllers.

Xihu (West Lake) Dis. Power has a high-quality technical R&D team of more than 120 people, with high-tech talents selected from the National Ten Thousand Talents Program, National Science and Technology Innovation and Entrepreneurship Talents, ZheJiang Science and Technology Entrepreneurship Leaders, Xihu (West Lake) Dis.ang Top Talents, and Xihu (West Lake) Dis.ang Scarce Talents. And independently developed electric vehicle powertrains, permanent magnet synchronous motors, AC asynchronous motors, permanent magnet synchronous controllers, AC asynchronous controllers and other products, serving electric passenger cars, electric logistics vehicles, electric buses, electric minibuses, New energy vehicle industries such as electric forklifts, electric engineering vehicles, and electric logistics vehicles. Xihu (West Lake) Dis. Power has mastered the core technologies of electric vehicle motors, controllers, reducers and powertrains, established the ZheJiang Engineering Technology R&D Center, and listed the ZheJiang Provincial Key Laboratory, with more than 120 sets of experimental benches and experimental equipment. Design and development, performance verification, durability test, IP67 waterproof and dustproof test, mechanical vibration test, mechanical shock test, and full working conditions NVH experiment, high and low temperature cyclic impact experiment, high and low temperature loading operation experiment and other product design verification and testing capabilities.

Xihu (West Lake) Dis. Power has built an electric vehicle powertrain automated assembly workshop, an electric motor automated assembly workshop, a controller CHINAMFG automatic placement workshop, an automated winding and embedding workshop, a casting processing center, an online spraying center, a complete machine performance digital inspection center, and Created a zero-defect quality assurance system to provide customers with perfect products and high-quality services. Xihu (West Lake) Dis. Power has obtained the automotive industry IATF16949:2016 quality management system certification, ISO9001:2015 quality management system certification, ISO14001:2015 environmental management system certification, ISO45001:2018 occupational health and safety management system certification, EU product safety CE certification, and U.S. product safety Performance UL certification, Korean electrical product safety KC certification, etc.

At present, the company has formed a research and development platform suitable for 6 categories of electric drive products such as pure electric passenger vehicles, pure electric commercial vehicles, pure electric special vehicles, extended-range hybrids, electric vehicles, and intelligent unmanned vehicles, forming a 1.2kw- 500kw power series products, supporting the development of more than 260 varieties of electric power system products for domestic and foreign vehicle companies and power system integrators. In terms of application in the electric vehicle market, the company’s products are used in electric vehicles such as FIAT, Xpeng, BAIC, Geely, BYD, Changan, Xihu (West Lake) Dis.feng, Xihu (West Lake) Dis., Haima, Zotye, GM, King Long, Xihu (West Lake) Dis., Foton, Great Wall, Weimar and other electric vehicles. It has been successfully applied and has been among the best in market share for many years. The company’s products sell well all over the country, and are exported to Europe, America, India, the Middle East, Africa and Southeast Asia.

Xihu (West Lake) Dis. Power, Innovation Technology!

 

FAQ

Q1. What are your terms of packing?
A: We pack our goods in neutral wooden boxes and paper cartons. If you have a legally registered brand, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What are your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll send you the photos of the products and packages before you pay the balance. For big orders, we accept L/C.

Q3. What are your terms of delivery?
A: EXW, FOB.

Q4. How about your delivery time?
A: It will take 15 to 45days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce your samples or technical drawings. We can produce the molds and fixtures in-house.

Q6. Do you test all your goods before delivery?
A: Yes, we have a 100% test before delivery, if necessary we can send an inspection report before delivery.

Q7. How long is your warranty period?
A: In general,2 years after deliveried
Q8. Do you have any certificates?
A: CE,SGS,ISO9001,IATF16949,UL,Etc

Q9. Do you have the import & export license?
We are official import & export licensed manufacturer.

Certifications

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Industrial, Car
Operating Speed: Low Speed
Operation Mode: Electric Motor
Magnetic Structure: Permanent Magnet
Function: Driving
Structure: Rotating Armature Type (Pole Fixed)

brushless ac motor

What is a brushless AC motor, and how does it differ from traditional brushed motors?

A brushless AC motor, also known as a brushless alternating current motor, is a type of electric motor that operates without the use of brushes and commutators found in traditional brushed motors. Instead of using brushes to transfer electrical power to the rotor, brushless AC motors utilize electronic commutation to control the motor’s operation.

The main differences between brushless AC motors and traditional brushed motors are as follows:

  1. Brushes and commutators: In traditional brushed motors, the rotor contains brushes that come into contact with a commutator, which transfers electrical power to the rotor windings. The brushes and commutators introduce friction and wear, requiring regular maintenance and replacement. In contrast, brushless AC motors eliminate the need for brushes and commutators, resulting in reduced friction, lower maintenance requirements, and increased motor lifespan.
  2. Electronic commutation: Brushless AC motors employ electronic commutation through the use of sensors and an electronic controller. The controller monitors the rotor position and switches the current in the motor windings at precise moments to generate the desired rotating magnetic field. This electronic commutation allows for more precise control of the motor’s speed, torque, and direction of rotation.
  3. Efficiency and performance: Brushless AC motors generally offer higher efficiency compared to traditional brushed motors. The elimination of brushes and commutators reduces energy losses, resulting in improved overall motor efficiency. Additionally, brushless AC motors can provide smoother and quieter operation due to their electronic commutation and precise control of the motor’s performance.
  4. Size and weight: Brushless AC motors are often more compact and lightweight compared to traditional brushed motors with similar power ratings. The absence of brushes and commutators allows for a more streamlined motor design, making brushless AC motors suitable for applications with limited space or weight restrictions.
  5. Reliability and lifespan: Brushless AC motors tend to have a longer lifespan and higher reliability due to the absence of brushes that can wear out over time. The elimination of brush-related issues, such as brush sparking and brush dust accumulation, contributes to the improved reliability and durability of brushless AC motors.

Brushless AC motors are widely used in various applications, including industrial automation, robotics, electric vehicles, HVAC systems, and more. Their superior efficiency, precise control, reduced maintenance requirements, and longer lifespan make them a preferred choice in many modern motor-driven systems.

brushless ac motor

What types of sensors are typically used in brushless AC motor control systems?

In brushless AC motor control systems, several types of sensors are commonly used to provide feedback and enable precise control over motor operation. These sensors help determine the position, speed, and other parameters of the motor. Here are the typical sensors used in brushless AC motor control systems:

  • Hall Effect Sensors: Hall effect sensors are widely used in brushless AC motor control systems. These sensors detect the position of the rotor magnets by measuring changes in the magnetic field. Hall effect sensors are placed strategically around the motor, typically in the stator, to detect the magnet poles as they pass by. The information from the Hall effect sensors is used by the controller to determine the rotor position and control the timing of current switching in the stator windings.
  • Resolver: A resolver is an electromagnetic sensor that provides rotor position feedback in brushless AC motor control systems. It consists of a rotor and a stator, both containing windings. The rotor winding is excited with an AC voltage, while the stator winding is used to detect the position of the magnetic field. By measuring the phase difference between the rotor and stator windings, the resolver sensor provides accurate angular position information to the controller.
  • Encoder: Encoders are commonly used in brushless AC motor control systems to provide precise position and speed feedback. There are two main types of encoders: optical encoders and magnetic encoders. Optical encoders use a light source and a patterned disc to detect rotational position and speed. Magnetic encoders, on the other hand, utilize magnetic fields and sensors to measure position and speed. Encoders provide high-resolution feedback, enabling precise control over the motor’s operation.
  • Current Sensors: Current sensors are used to measure the current flowing through the stator windings of the brushless AC motor. They provide feedback to the controller, allowing it to monitor and control the current levels accurately. By measuring the current, the controller can adjust the timing and duration of current switching, optimizing the motor’s performance and ensuring efficient operation.
  • Temperature Sensors: Temperature sensors are often integrated into brushless AC motor control systems to monitor the motor’s temperature. They provide feedback to the controller, allowing it to implement thermal protection measures when the motor exceeds safe operating temperatures. Temperature sensors help prevent motor overheating and potential damage, ensuring the motor operates within its safe temperature limits.

These sensors play a crucial role in brushless AC motor control systems by providing the necessary feedback for precise control over the motor’s operation. They enable the controller to determine rotor position, monitor current levels, measure speed, and implement various control strategies to optimize motor performance. The integration of these sensors allows for efficient and reliable operation of brushless AC motors in a wide range of applications.

brushless ac motor

How do you troubleshoot common issues with brushless AC motors?

When troubleshooting common issues with brushless AC motors, it’s important to systematically identify and address potential problems. Here’s a detailed explanation of the steps involved in troubleshooting common issues with brushless AC motors:

  1. Check Power Supply: Verify that the power supply to the motor is functioning correctly. Ensure that the voltage and frequency supplied to the motor match the specifications provided by the manufacturer. Check for any loose connections, blown fuses, or tripped circuit breakers that may be interrupting the power supply.
  2. Inspect Wiring and Connections: Examine the motor’s wiring and connections for any signs of damage, loose connections, or poor insulation. Ensure that the wiring is properly sized and connected according to the manufacturer’s guidelines. Tighten any loose connections and repair or replace any damaged wiring or insulation.
  3. Check Motor Temperature: Monitor the motor’s temperature during operation. Excessive heat can indicate issues such as overload, insufficient cooling, or problems with the motor’s ventilation system. Make sure that the motor is adequately cooled and that any cooling fans or ventilation openings are clean and unobstructed.
  4. Inspect Bearings: Check the motor’s bearings for any signs of wear, misalignment, or damage. Excessive noise, vibration, or increased heat can be indications of bearing issues. Lubricate or replace the bearings as necessary, following the manufacturer’s recommendations.
  5. Monitor Motor Performance: Observe the motor’s performance during operation. Look for any abnormal behavior such as erratic speed, excessive noise, or sudden changes in torque. Use appropriate measuring instruments to monitor parameters such as voltage, current, and speed to identify any deviations from expected values.
  6. Check Motor Control System: Evaluate the motor control system, including the motor controller or inverter, for any faults or malfunctions. Inspect the control circuitry, sensors, and feedback mechanisms. Ensure that the control signals and commands are reaching the motor correctly and that the control system is properly programmed and calibrated.
  7. Review Motor Protection Features: Check if the motor’s protection features, such as overcurrent, overvoltage, or thermal protection, are functioning correctly. Review the motor’s documentation or consult the manufacturer’s guidelines to understand the specific protection mechanisms employed and verify their proper operation.
  8. Refer to Manufacturer Documentation: Consult the motor’s documentation, technical manuals, or troubleshooting guides provided by the manufacturer. These resources often contain specific troubleshooting steps and recommendations tailored to the particular motor model. Follow the manufacturer’s guidelines for diagnosing and resolving issues.
  9. Seek Professional Assistance: If the troubleshooting steps outlined above do not resolve the issue or if the problem is beyond your expertise, it is advisable to seek assistance from qualified professionals, such as motor technicians or engineers. They can provide specialized knowledge and diagnostic tools to identify and address complex motor issues.

Remember that troubleshooting procedures may vary depending on the specific motor model, application, and environmental conditions. It’s essential to prioritize safety precautions and adhere to proper electrical and mechanical practices when working with brushless AC motors. When in doubt, consult with experts or refer to the manufacturer’s guidelines for accurate troubleshooting and resolution of issues.

China manufacturer AC 5kw 8kw 10kw Electric Car Motor Brushless Motor   vacuum pump adapter	China manufacturer AC 5kw 8kw 10kw Electric Car Motor Brushless Motor   vacuum pump adapter
editor by CX 2024-05-15

China manufacturer 1/6HP Brushless DC/Ec Fan Motor for Air Purifier, Chiller and Split Air Conditioning Outdoor Unit vacuum pump brakes

Product Description

 

Product Description

Brushless DC/EC Fan Motor for Air Purifier, Chiller, and Split Air Conditioning Outdoor Unit

The above-mentioned specification is a representative, and can also be designed and manufactured according to customer requirements.

Main Technical Data of Brushless DC/EC Fan Motor for Air Purifier, Chiller, and Split Air Conditioning Outdoor Unit:

Model
 
Vol (V)
 
AMPS (A) RPM (r/min) Output (W)
 
Vsp(V)
ZWD006510SDD
 
Vdc 310 0.27 300-900 65W 0-6.5
ZWD0 0571 1SDD
 
Vdc 310 0.32 300-900 80W 0-6.5
ZWD012571SDD
 
Vdc 310 0.49 300-900 120W 0-6.5
ZWD015571SDD
 
Vdc 310 0.61 300-900 150W 0-6.5
ZWD571571SDD
 
Vdc 310 0.81 300-900 200W 0-6.5
ZWD571571SDD
 
Vdc 310 1.1 300-900 250W 0-6.5

 

low noise IP 44 protection level,
Locked rotor protection,
open phase protection,
over-voltage protection,
over-current overheating protection
High efficiency,
wide speed adjustment range, 
VSP mode
programmable

 

Materials
        Silent bearing, driving board, copper wire
 

Are you tired of dealing with noisy, power-hungry air conditioner fan motors in your home or office?
If so, we have the perfect solution for you: our brushless high-efficiency conditioner fan motor.

Our motor is designed to be more energy-efficient than traditional fan motors, which means you’ll save money on your power bills while enjoying the same cooling performance. Plus, it’s brushless, so it’s much quieter than standard motors and has a longer lifespan.

Here are some of the benefits of choosing our brushless high-efficiency conditioner fan motor:
1) Energy-efficient: Save money on your power bills while enjoying cool air.
2) Quiet: Say goodbye to noisy fan motors that disrupt your peace.
3) Long lifespan: Our motor is designed to last for years, so you won’t have to worry about replacing it anytime soon.
4) Environmentally friendly: Our motor is designed with sustainability in mind, so you can feel good about choosing an eco-friendly option

We are looking forward to helping you stay cool and comfortable all year round.

Application

Application
       
Air purifier, chiller, split air conditioning outdoor unit

 

Product Parameters

Performance:

   DC 310V                                                                   
    Power output up to:250W
    Variable operation speed

Drawing of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Air Conditioning Outdoor Unit:

 

Recommendation

Main Products of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Air Conditioning Outdoor Unit:

 

Terms

Terms:
    1. Trade Terms: FOB, CIF, CNF, EXW, DOOR TO DOOR.

             2. Payment Terms: T/T, L/C, Western Union.

                      3. Payment Condition: 50% deposit in advance, 50% balance before delivery.

                              4. Delivery Time: 15-30 days after deposit (if T/T).

                                       5. Shipping: By sea, by air and by express delivery

 

Company Profile

       HangZhou CHINAMFG Electric Co., Ltd. was established in 2013. Is a manufacturer focused on innovative motor solutions for the residential and commercial CHINAMFG and refrigeration industries.
       The company has a skilled R & D team and has more than 10 years of motor research and development, design, production, and sales experience. With an annual output of 1 million motor production capacity.
       The new generation of BLDC motors and EC motors developed by CHINAMFG use a unique high flux and shock absorption design, coupled with high-quality bearings so that the motor has more torque the same. CARLYI branded motors have been approved by CCC, ISO9001, CE, and RoHS certification.

 

Packaging & Shipping

Packing and Xihu (West Lake) Dis.:

FAQ

FAQ of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Air Conditioning Outdoor Unit:

Q1. What types of motors does your company manufacture?
A: We specialize in manufacturing motors designed for residential, and commercial CHINAMFG (Heating, Ventilation, and Air Conditioning), and refrigeration equipment. These motors are engineered to meet the specific demands of these applications.

Q2. Are your motors energy-efficient?
A: Yes, our motors are designed with a focus on energy efficiency. We employ advanced technologies and materials to ensure that our motors consume minimal energy while delivering optimal performance.

Q3. Can you provide custom motor solutions?
A: Absolutely! We understand that each application may have unique requirements. Our team is experienced in developing custom motor solutions tailored to your specific needs. Contact our sales department to discuss your customization requirements.

Q4. What is the typical lifespan of your motors?
A: Our motors are built to last. The lifespan of our motors varies depending on usage and maintenance, but they are designed for long-term reliability and durability, especially when properly maintained.

Q5. Do you provide technical support and assistance?
A: Yes, we offer comprehensive technical support and assistance. Our team of experts is available to answer your questions, provide guidance on motor selection, and offer troubleshooting assistance whenever needed.

Q6. Are your motors compliant with industry standards and regulations?
A: Yes, our motors are manufactured to meet or exceed industry standards and regulations. We prioritize safety, efficiency, and environmental compliance in our motor designs. We conduct inspections by the ISO9001 standard and are overseen by our experienced QC staff.

Q7. How do I request a quote or place an order?
A: You can request a quote or place an order by contacting our sales department through our website or by CHINAMFG out to our dedicated sales representatives. We will provide you with a competitive quote and guide you through the ordering process.

Q8. Where is your company located, and do you ship internationally?
A: Our company is headquartered in HangZhou City, ZheJiang Province, China. We offer international shipping to serve customers worldwide. Contact us for shipping and distribution details specific to your region.

Q9. Do you have a warranty policy for your motors?
A: Yes, we offer warranties on our motors to ensure customer satisfaction and peace of mind. For the motors, we have a long enough 18-month guarantee, and for the service, we offer 24-hour technical support and barrier-free communication.

Q10: How long does it take to prepare samples and process batch orders?
A: Sample preparation usually takes 3 days if we have it in hand and around a week for custom samples. Batch order production typically spans 15-30 days, with newly developed items possibly requiring an extra 2 weeks.

If you have any more specific questions or need further assistance, please feel free to get in touch with our team.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Household Appliances, Air Purifier,Chiller,Split Outdoor Air Conditioner
Operating Speed: Adjust Speed
Function: Control, Energy Saving, High Efficiency and Low Noise
Samples:
US$ 60/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

brushless motor

Where can individuals find reliable information and resources for learning more about brushless motors?

Individuals seeking reliable information and resources to learn more about brushless motors have several options available. Here are some recommended sources:

1. Manufacturer Websites:

Visit the websites of reputable brushless motor manufacturers. Manufacturers often provide detailed information about their products, including specifications, application guidelines, technical documentation, and educational resources. These websites can be a valuable source of accurate and up-to-date information about brushless motors.

2. Industry Associations and Organizations:

Explore industry associations and organizations related to electric motors, automation, or specific applications of brushless motors. These associations often provide educational materials, technical publications, webinars, and conferences that cover various aspects of motor technology. Examples include the Institute of Electrical and Electronics Engineers (IEEE), the American Society of Mechanical Engineers (ASME), or industry-specific associations like the Robotics Industries Association (RIA) or the Electric Motor Education and Research Foundation (EMERF).

3. Technical Forums and Online Communities:

Participate in technical forums and online communities focused on motors and related technologies. Platforms like Stack Exchange, Reddit, or specialized engineering forums often have dedicated sections where individuals can ask questions, learn from experts, and access valuable resources. Engaging with these communities can provide insights into real-world experiences and practical knowledge about brushless motors.

4. Books and Publications:

Consult books, textbooks, and technical publications that cover electric motors and motor control theory. Look for titles that specifically address brushless motor technology or broader topics such as electromechanical systems, power electronics, or mechatronics. Libraries, online bookstores, and academic institutions are good sources for finding relevant publications.

5. Online Tutorials and Courses:

Explore online tutorials and courses offered by educational platforms, engineering schools, or specialized training providers. Platforms such as Coursera, Udemy, or Khan Academy may offer courses related to electric motors, motor control, or mechatronics. These resources often provide structured learning experiences with video lectures, practical exercises, and assessments.

6. Research Papers and Technical Journals:

Access research papers and technical journals focused on electrical engineering, motor technology, or related fields. Platforms like IEEE Xplore, ResearchGate, or academic databases provide access to a wide range of scholarly articles and technical papers. These sources can offer in-depth knowledge about the latest advancements, research findings, and technical details related to brushless motors.

7. Industry Trade Shows and Exhibitions:

Attend industry trade shows and exhibitions that feature motor manufacturers, suppliers, and technology providers. These events often showcase the latest products, innovations, and advancements in motor technology. They also provide opportunities to interact with industry experts, attend technical presentations, and gather valuable information about brushless motors.

8. Online Product Catalogs and Datasheets:

Review online product catalogs and datasheets provided by motor manufacturers. These documents typically contain detailed specifications, performance data, and application notes for specific motor models. They can help individuals understand the capabilities, limitations, and features of different brushless motors.

Remember to critically evaluate the information obtained from various sources and cross-reference multiple resources to ensure accuracy and reliability. Brushless motor technology is a dynamic field, so staying updated with the latest research and industry developments is essential for gaining comprehensive knowledge.

brushless motor

What is the significance of commutation in brushless motor operation, and how is it achieved?

Commutation is a critical aspect of brushless motor operation as it determines the timing and sequence of current flow in the motor windings. It is the process by which the motor’s magnetic field is switched to generate continuous rotation. The significance of commutation lies in its ability to maintain proper alignment between the magnetic field produced by the stator and the rotor’s permanent magnets, resulting in smooth and efficient motor operation. Here’s a detailed explanation of the significance of commutation in brushless motor operation and how it is achieved:

1. Magnetic Field Alignment: Commutation ensures that the magnetic field produced by the motor’s stator windings is properly aligned with the permanent magnets on the rotor. This alignment is crucial for generating the necessary torque to drive the rotor and produce rotation. By switching the current flow in the motor windings at the right time and in the right sequence, commutation ensures that the stator’s magnetic field interacts effectively with the rotor’s magnets, producing continuous and smooth rotation.

2. Efficient Power Conversion: Commutation plays a vital role in efficient power conversion within the brushless motor. As the current flows through the motor windings, commutation switches the current path to maintain the desired direction of rotation. By timely switching the current flow, commutation minimizes power losses and maximizes the energy transfer between the power supply and the motor. This efficient power conversion results in improved motor performance, higher energy efficiency, and reduced heat generation.

3. Elimination of Brushes and Commutators: Unlike brushed motors that rely on mechanical brushes and commutators for current switching, brushless motors achieve commutation electronically. This eliminates the need for brushes and commutators, which are prone to wear, friction, and electrical arcing. By replacing these mechanical components with solid-state electronic commutation, brushless motors offer several advantages, including reduced maintenance requirements, longer lifespan, and improved reliability.

4. Precise Speed Control: Commutation in brushless motors enables precise speed control. By accurately timing and sequencing the current flow in the motor windings, the control system of a brushless motor can regulate the motor’s rotational speed. This precise speed control is crucial in applications that require specific speed requirements, such as robotics, electric vehicles, and industrial automation.

5. Commutation Methods: Brushless motors achieve commutation through various methods, the most common being sensor-based commutation and sensorless commutation. Sensor-based commutation utilizes position sensors, such as Hall effect sensors or encoders, to detect the rotor’s position and determine the appropriate timing and sequence of current switching. Sensorless commutation, on the other hand, estimates the rotor position based on the back electromotive force (EMF) generated in the motor windings. Advanced control algorithms and signal processing techniques are employed to accurately estimate the rotor position and achieve precise commutation without the need for additional sensors.

In summary, commutation is of significant importance in brushless motor operation. It ensures proper alignment of the magnetic fields, enables efficient power conversion, eliminates mechanical wear components, allows for precise speed control, and contributes to the overall performance and reliability of brushless motors. Through sensor-based or sensorless commutation methods, brushless motors achieve accurate and timely switching of current flow, resulting in smooth rotation and optimal motor performance.

brushless motor

Can you explain the working principle of brushless motors and how they generate motion?

Brushless motors operate based on the principles of electromagnetism and electronic commutation. Here’s an explanation of the working principle of brushless motors and how they generate motion:

1. Stator and Rotor:

A brushless motor consists of two main components: a stationary stator and a rotating rotor. The stator contains multiple coils or windings arranged in a specific pattern. These windings are typically made of copper wire and are evenly spaced around the inner circumference of the motor housing. The rotor, on the other hand, contains permanent magnets that are magnetized in a specific pattern.

2. Electronic Commutation:

The key difference between brushless motors and brushed motors is the method of commutation. In brushed motors, commutation is achieved mechanically through brushes and a commutator. However, in brushless motors, commutation is electronic. The commutation process is managed by an external controller or electronic speed controller (ESC).

3. Rotor Position Detection:

To determine the rotor’s position, brushless motors use sensors or Hall effect devices embedded in the stator. These sensors detect the position of the permanent magnets on the rotor as it rotates. The sensor information is sent to the controller, which uses it to determine the timing and sequence of current flow in the stator windings.

4. Current Distribution:

Based on the rotor position information, the controller determines which stator windings need to be energized to generate the desired motion. The controller then sends electric currents to the appropriate windings in a specific sequence. By energizing different windings at different times, the controller can create a rotating magnetic field in the stator.

5. Magnetic Field Interaction:

As the rotating magnetic field is generated in the stator, it interacts with the permanent magnets on the rotor. The interaction between the rotating magnetic field and the permanent magnets causes the rotor to rotate. The controller continuously adjusts the timing and amplitude of the currents flowing through the stator windings to maintain the rotation and control the motor’s speed and torque.

6. Continuous Rotation:

Brushless motors achieve continuous rotation by continuously updating the rotor position using the sensors and adjusting the current flow in the stator windings accordingly. The electronic commutation process ensures that the currents are switched at the right time and in the right sequence to maintain the rotation and provide precise control over the motor’s operation.

By using electronic commutation and precise control over the currents in the stator windings, brushless motors generate motion with high efficiency, reliability, and accuracy. They offer advantages such as higher speed capabilities, smoother operation, reduced maintenance requirements, and improved overall performance compared to brushed motors. These characteristics make brushless motors widely used in various applications, ranging from small consumer electronics to large industrial machinery.

China manufacturer 1/6HP Brushless DC/Ec Fan Motor for Air Purifier, Chiller and Split Air Conditioning Outdoor Unit   vacuum pump brakesChina manufacturer 1/6HP Brushless DC/Ec Fan Motor for Air Purifier, Chiller and Split Air Conditioning Outdoor Unit   vacuum pump brakes
editor by CX 2024-05-15

China manufacturer Brushless Motor 57bl3a90 36V 24V 48V 8poles 3000rpm 185W 62W 125W 0.2n.M 0.4n.M vacuum pump oil

Product Description

 

Brushless DC Motor Series 57BL(NEMA 23)
Model 57BL3A50 57BL3A70 57BL3A90
Specification Unit -A -B -B -C -B -C
Rated voltage U V 24 36 36 48 36 48
Rated out power Pout W 62 62 125 125 185 185
Rated speed n N rpm 3000 3000 3000 3000 3000 3000
Rated current I N A 3.3 2.2 4.4 3.2 6.5 4.8
Rated torque T N N.m 0.2 0.2 0.4 0.4 0.6 0.6
Peak current I P A 10.5 6.5 13.4 9.8 20 14.9
Peak torque T p N.m 0.58 0.6 1.29 1.31 1.9 2
Voltage constant K E V/ Krpm 6.23 9.5 9.47 12.7 9.45 12.6
Torque constant K T N.m/A 0.069 0.11 0.095 0.134 0.097 0.136
Rotor inertia J Kg.cm 2 0.3 0.3 0.6 0.6 0.9 0.9
Number of poles N P 8 8 8 8 8 8
Winding class B B B B B B
Motor weight Kg 0.65 0.65 1 1 1.4 1.4
Remark 1. Motor are available with different winding and mechanical modification to meet specific applications.
2. Can match encoder.

FAQ
Q: How to order?
A: send us inquiry → receive our quotation → negotiate details → confirm the sample → sign contract/deposit → mass production → cargo ready → balance/delivery → further cooperation.

Q: How about Sample order?
A: Sample is available for you. please contact us for details. 

Q: Which shipping way is avaliable?
A: DHL, UPS, FedEx, TNT, EMS, China Post,Sea are available.The other shipping ways are also available, please contact us if you need ship by the other shipping way. 

Q: How long is the deliver?
A: Devliver time depends on the quantity you order. usually it takes 15-25 working days.

Q: My package has missing products. What can I do?
A: Please contact our support team and we will confirm your order with the package contents.We apologize for any inconveniences. 

Q: How to confirm the payment?
A: We accept payment by T/T, PayPal, the other payment ways also could be accepted,Please contact us before you pay by the other payment ways. Also 30-50% deposit is available, the balance money should be paid before shipping. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Industrial, Household Appliances
Operating Speed: Adjust Speed
Excitation Mode: Shunt
Function: Driving
Casing Protection: Closed Type
Number of Poles: 8
Samples:
US$ 75/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

brushless motor

What factors should be considered when selecting a brushless motor for a specific application?

When selecting a brushless motor for a specific application, several factors need to be considered to ensure optimal performance and compatibility. Here are the key factors to take into account:

1. Power and Torque Requirements:

Determine the power and torque requirements of the application. This includes considering the desired operating speed, acceleration, and load characteristics. Select a brushless motor that can deliver the required power and torque output within the application’s operating range. Consider factors such as the motor’s power rating, torque density, and speed-torque characteristics.

2. Size and Form Factor:

Evaluate the space available for motor installation. Consider the physical dimensions and form factor of the motor to ensure it can fit within the application’s constraints. Additionally, consider the weight of the motor, especially in applications where weight is a critical factor, such as drones or portable devices.

3. Environmental Conditions:

Assess the environmental conditions in which the motor will operate. Consider factors such as temperature extremes, humidity, dust, and vibration levels. Choose a brushless motor that is designed to withstand and perform reliably in the specific environmental conditions of the application. Look for motors with appropriate protection ratings (e.g., IP ratings) and robust construction.

4. Efficiency and Energy Consumption:

Consider the desired energy efficiency of the application. Select a brushless motor with high efficiency to minimize energy consumption and maximize overall system efficiency. Efficiency can be influenced by factors such as motor design, winding configuration, and the use of advanced control techniques. Look for motors with high efficiency ratings or specific certifications, such as IE (International Efficiency) classifications.

5. Control and Feedback Requirements:

Evaluate the control and feedback requirements of the application. Determine if sensorless control or position feedback through sensors (e.g., encoders) is necessary for precise speed or position control. Consider the compatibility of the motor’s control interfaces and communication protocols with the application’s control system. Some applications may require motors with built-in control electronics or compatibility with specific motor controllers.

6. Operating Voltage and Power Supply:

Determine the available power supply and the operating voltage range of the application. Select a brushless motor that operates within the available voltage range and is compatible with the power supply infrastructure. Consider factors such as voltage ratings, current requirements, and the availability of appropriate power supply units or motor drives.

7. Expected Lifetime and Reliability:

Evaluate the expected lifetime and reliability requirements of the application. Consider factors such as the motor’s rated lifetime, bearing type, insulation class, and overall build quality. Look for motors from reputable manufacturers with a track record of producing reliable and durable products. Consider the availability of maintenance and support services.

8. Cost and Budget:

Consider the cost and budget limitations of the application. Balance the desired motor performance and features with the available budget. Compare the costs of different motor options, taking into account factors such as initial purchase cost, maintenance requirements, and potential energy savings over the motor’s lifetime.

9. Application-Specific Considerations:

Take into account any application-specific requirements or constraints. This may include factors such as regulatory compliance, specific certifications (e.g., safety or industry-specific certifications), compatibility with other system components, and any unique operational or functional requirements of the application.

By carefully considering these factors, you can select a brushless motor that is well-suited for the specific application, ensuring optimal performance, efficiency, reliability, and compatibility.

brushless motor

How does the absence of brushes impact the maintenance requirements of brushless motors?

The absence of brushes in brushless motors has a significant impact on their maintenance requirements. Here’s how the absence of brushes affects the maintenance of brushless motors:

1. Reduced Wear and Tear:

One of the primary advantages of brushless motors is that they do not have brushes that make physical contact with the commutator. In brushed motors, the brushes wear down over time, leading to brush replacement or repair. The absence of brushes in brushless motors eliminates this wear and tear, resulting in reduced maintenance needs. Brushless motors can operate for longer periods without the need for brush replacement or maintenance related to brush wear.

2. Decreased Risk of Brush Failure:

Brushes in brushed motors are subject to wear, heat, and carbon dust accumulation, which can lead to brush failure or arcing. Brush failure can cause motor performance issues, increased electrical noise, and even motor damage. Brushless motors, on the other hand, do not have brushes that can fail. The absence of brushes reduces the risk of brush-related failures, minimizing the need for maintenance and repair associated with brush replacement or troubleshooting brush-related issues.

3. Improved Reliability and Durability:

The elimination of brushes in brushless motors improves their overall reliability and durability. Without brushes, there is no physical contact or friction that can cause wear, heat generation, or electrical resistance. This results in a more robust motor design with fewer components prone to failure. Brushless motors are known for their long service life and high reliability, requiring minimal maintenance to keep them operational.

4. Simplified Maintenance Procedures:

Brushless motors typically require less maintenance compared to brushed motors. The absence of brushes simplifies maintenance procedures since there is no need to inspect, clean, or replace brushes. Routine maintenance for brushless motors usually involves checking the motor’s connections, ensuring proper cooling, and verifying the integrity of the electronic components and wiring. These maintenance tasks are generally less frequent and less labor-intensive compared to maintaining brushed motors.

5. Potential Cost Savings:

The reduced maintenance requirements of brushless motors can result in cost savings over their lifetime. With fewer maintenance tasks and a longer service life, the overall maintenance and repair costs associated with brushless motors are typically lower compared to brushed motors. The reduced need for brush replacement, brush inspections, and related troubleshooting can contribute to cost savings and improved operational efficiency.

In summary, the absence of brushes in brushless motors significantly impacts their maintenance requirements. The elimination of brushes reduces wear and tear, decreases the risk of brush failure, improves reliability and durability, simplifies maintenance procedures, and can potentially lead to cost savings. These advantages make brushless motors an attractive choice in applications where low maintenance and long service life are essential, such as in electric vehicles, industrial automation, and other systems that require reliable and efficient motion control.

brushless motor

What is a brushless motor, and how does it differ from traditional brushed motors?

A brushless motor is an electric motor that operates without the use of brushes and a commutator, unlike traditional brushed motors. Brushless motors rely on electronic commutation to control the power distribution to the motor’s windings, resulting in improved efficiency, reliability, and performance. Here are the key differences between brushless motors and traditional brushed motors:

1. Construction:

Brushed motors consist of a rotor (armature) and a stator. The rotor contains permanent magnets, and the stator consists of electromagnets. Brushes and a commutator are used to transfer power to the rotor and control the direction of current flow. In contrast, brushless motors have a stationary stator with windings and a rotor that contains permanent magnets. The power is supplied to the stator windings through an external controller that electronically commutates the motor.

2. Commutation:

In brushed motors, commutation is achieved mechanically through the brushes and commutator. The brushes make physical contact with the commutator, which switches the direction of current flow in the rotor windings as the motor rotates. This mechanical commutation causes friction, wear, and electrical arcing, leading to inefficiencies and limited lifespan. Brushless motors, on the other hand, employ electronic commutation. Sensors or Hall effect devices detect the rotor position, and the external controller determines the appropriate timing and sequence of current flow in the stator windings, eliminating the need for brushes and commutation mechanisms.

3. Efficiency:

Brushless motors are generally more efficient than brushed motors. The absence of brushes and commutator reduces friction and electrical losses, resulting in higher efficiency and improved power conversion. Brushed motors experience energy losses due to brush contact resistance and electrical arcing, which can reduce overall efficiency. Brushless motors can achieve efficiency levels of over 90%, while brushed motors typically have efficiencies ranging from 75% to 85%.

4. Maintenance:

Brushless motors require less maintenance compared to brushed motors. The brushes in brushed motors wear over time and need periodic replacement. Additionally, the commutator may require cleaning or resurfacing. In contrast, brushless motors have no brushes or commutator, eliminating the need for brush replacement and commutator maintenance. This makes brushless motors more reliable and reduces downtime and maintenance costs.

5. Lifespan:

The lifespan of brushless motors is generally longer than that of brushed motors. The absence of brushes and commutator reduces wear and electrical arcing, which are common causes of failure in brushed motors. Brushless motors can operate for thousands of hours without requiring major maintenance, while brushed motors typically have a shorter lifespan due to brush and commutator wear.

6. Control and Performance:

Brushless motors offer more precise control and better performance compared to brushed motors. The electronic commutation in brushless motors allows for finer control of the motor’s speed, torque, and direction. The external controller can adjust the motor’s parameters dynamically, enabling smoother operation and better responsiveness. Brushless motors also have higher torque-to-weight ratios, faster acceleration, and lower inertia, making them suitable for applications requiring high-performance and precise motion control.

These differences make brushless motors advantageous in many applications where efficiency, reliability, and precise control are crucial. They are commonly used in industries such as robotics, aerospace, electric vehicles, and industrial automation, where high-performance and long-lasting motors are required.

China manufacturer Brushless Motor 57bl3a90 36V 24V 48V 8poles 3000rpm 185W 62W 125W 0.2n.M 0.4n.M   vacuum pump oil	China manufacturer Brushless Motor 57bl3a90 36V 24V 48V 8poles 3000rpm 185W 62W 125W 0.2n.M 0.4n.M   vacuum pump oil
editor by CX 2024-05-08

China manufacturer DC Motor Brushless Electric Motor 110bl3a110-a 160V 4.5kg 790W 3000rpm 325V 6.2A 3A 10A 4.9A 3n. M 6n. M vacuum pump booster

Product Description

Brushless DC Motor Series 110BL(NEMA 42)
Model 110BL3A110 110BL3A170
Specification Unit -A -B -A -B
Rated voltage U V 160 325 160 325
Rated out power P out W 790 790 1300 1300
Rated speed n N rpm 3000 3000 2500 2500
Rated current I N A 6.2 3 10 4.9
Rated torque T N N.m 3 3 6 6
Peak current I P A 19 8.7 28 14
Peak torque T p N.m 9 9 18 18
Voltage constant K E V/ Krpm 41 84 50 98
Torque constant K T N.m/A 0.43 0.93 0.53 1.09
Rotor inertia J Kg.cm 2 3 3 6 6
Number of poles N P 8 8 8 8
Winding class B B B B
Motor weight Kg 4.5 4.5 7 7
Remark 1. Motor are available with different winding and mechanical modification to meet specific applications.
2. Can match encoder.

FAQ
Q: How to order?
A: send us inquiry → receive our quotation → negotiate details → confirm the sample → sign contract/deposit → mass production → cargo ready → balance/delivery → further cooperation.

Q: How about Sample order?
A: Sample is available for you. please contact us for details. 

Q: Which shipping way is avaliable?
A: DHL, UPS, FedEx, TNT, EMS, China Post,Sea are available.The other shipping ways are also available, please contact us if you need ship by the other shipping way. 

Q: How long is the deliver?
A: Devliver time depends on the quantity you order. usually it takes 15-25 working days.

Q: My package has missing products. What can I do?
A: Please contact our support team and we will confirm your order with the package contents.We apologize for any inconveniences. 

Q: How to confirm the payment?
A: We accept payment by T/T, PayPal, the other payment ways also could be accepted,Please contact us before you pay by the other payment ways. Also 30-50% deposit is available, the balance money should be paid before shipping.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Industrial, Household Appliances, Car, Power Tools
Operating Speed: High Speed
Excitation Mode: Excited
Function: Driving
Casing Protection: Closed Type
Number of Poles: 8
Customization:
Available

|

brushless motor

What role do electronic speed controllers (ESCs) play in brushless motor systems?

Electronic Speed Controllers (ESCs) play a crucial role in brushless motor systems as they are responsible for controlling the speed, direction, and performance of the motor. Here’s a detailed explanation of the role of electronic speed controllers in brushless motor systems:

1. Power Regulation: One of the primary functions of an ESC is to regulate the power supplied to the brushless motor. The ESC acts as an intermediary between the power source (such as a battery) and the motor, ensuring that the motor receives the appropriate voltage and current to operate at the desired speed and torque levels. The ESC monitors the input power and adjusts it based on the control signals it receives.

2. Commutation: Brushless motors require precise commutation, which involves switching the current flow in the motor windings to maintain proper magnetic field alignment and generate rotation. The ESC is responsible for coordinating the commutation process by electronically timing and sequencing the current pulses sent to the motor windings. This ensures smooth and efficient motor operation, allowing the motor to generate the desired torque and rotational speed.

3. Speed Control: ESCs enable precise speed control in brushless motor systems. By adjusting the timing and duration of the current pulses sent to the motor windings, the ESC can regulate the motor’s rotational speed. This speed control functionality is essential in various applications, such as drones, RC vehicles, robotics, and industrial automation, where precise speed adjustments are required to achieve the desired performance and functionality.

4. Direction Control: In addition to speed control, ESCs also provide direction control for brushless motors. By reversing the sequence of the current pulses sent to the motor windings, the ESC can change the direction of rotation of the motor. This allows for bi-directional operation, enabling the motor to perform tasks that require both clockwise and counterclockwise rotation.

5. Protection and Safety Features: ESCs often incorporate various protection and safety features to safeguard the motor and the overall system. These features may include overcurrent protection, overtemperature protection, low-voltage cutoff, and motor lock-up detection. By monitoring various parameters and conditions, the ESC can detect potential issues or abnormalities and take appropriate actions to prevent damage to the motor, ESC, or other components.

6. Interface and Control: ESCs provide an interface for external control and communication. They are typically equipped with input connectors to receive control signals from a receiver or a microcontroller, allowing for remote control or integration into a larger control system. Additionally, ESCs may offer advanced control features such as programmability, adjustable acceleration profiles, and compatibility with various control protocols (e.g., PWM, PPM, or CAN bus).

7. Efficiency and Performance Optimization: ESCs contribute to the overall efficiency and performance optimization of brushless motor systems. Through advanced control algorithms and power electronics, ESCs can minimize power losses, maximize energy conversion efficiency, and optimize the motor’s performance characteristics. This results in improved system efficiency, longer battery life, and enhanced motor performance.

In summary, electronic speed controllers (ESCs) play a vital role in brushless motor systems by regulating power, coordinating commutation, enabling speed and direction control, providing protection and safety features, offering control interfaces, and optimizing system efficiency and performance. The ESC acts as the central control unit that bridges the gap between the power source, the motor, and the external control system, ensuring smooth and reliable operation of brushless motors across a wide range of applications.

brushless motor

How does the control system of a brushless motor contribute to precise speed regulation?

The control system of a brushless motor plays a crucial role in achieving precise speed regulation, allowing for accurate and stable motor operation. By utilizing advanced control algorithms and feedback mechanisms, the control system effectively manages the power delivery and motor performance, resulting in precise speed control. Here’s a detailed explanation of how the control system of a brushless motor contributes to precise speed regulation:

  • Electronic Commutation: Brushless motors employ electronic commutation, which replaces traditional brushes and commutators with solid-state electronic components. The control system utilizes sensors, such as Hall effect sensors or encoders, to accurately detect the rotor position. By knowing the precise rotor position, the control system can switch the power supply to the motor windings at the optimal timing, ensuring smooth rotation and precise speed control.
  • Pulse Width Modulation (PWM): The control system utilizes pulse width modulation to regulate the power delivered to the motor windings. By adjusting the width of the electrical pulses, the control system can control the average voltage applied to the motor, thereby regulating the motor speed. Precise timing and modulation of the PWM signals allow for fine-grained control over the motor speed, enabling precise speed regulation with minimal speed fluctuations.
  • Feedback Control: The control system incorporates feedback control mechanisms to monitor and regulate the motor speed. Feedback is typically obtained from position sensors, such as encoders or Hall effect sensors, which provide real-time information about the rotor position. This feedback is compared to the desired speed reference, and any deviations are used to adjust the motor control signals. By continuously comparing the actual speed with the desired speed, the control system makes corrective adjustments to maintain precise speed regulation.
  • Proportional-Integral-Derivative (PID) Control: Many brushless motor control systems employ PID control algorithms to achieve precise speed regulation. PID control utilizes a combination of proportional, integral, and derivative control actions to minimize speed errors and maintain stable operation. The proportional control component responds to the current speed error, the integral control component integrates past speed errors to eliminate steady-state errors, and the derivative control component anticipates speed changes to improve response time. The PID control algorithm continuously adjusts the motor control signals based on the speed error, contributing to precise speed regulation.
  • Closed-Loop Control: The control system of a brushless motor typically operates in a closed-loop configuration, where the feedback from position sensors is used to regulate the motor speed. Closed-loop control ensures that the motor speed accurately follows the desired reference speed, even in the presence of external disturbances or varying load conditions. By continuously comparing the actual speed with the desired speed and making real-time adjustments, closed-loop control provides precise speed regulation and improves the motor’s ability to maintain a constant speed under changing operating conditions.
  • Advanced Control Techniques: The control system may incorporate advanced control techniques, such as field-oriented control (FOC) or vector control, to achieve even higher precision in speed regulation. These techniques involve transforming the motor currents and voltages into a rotating reference frame, allowing for independent control of the magnetizing and torque-producing components. By decoupling these components and controlling them separately, advanced control techniques enable precise control of the motor speed and improve overall performance.

In summary, the control system of a brushless motor contributes to precise speed regulation through electronic commutation, pulse width modulation, feedback control, PID control algorithms, closed-loop control, and advanced control techniques. By utilizing these control strategies, the control system ensures accurate and stable motor operation, allowing for precise speed control and minimizing speed deviations in various applications.

brushless motor

Can you explain the working principle of brushless motors and how they generate motion?

Brushless motors operate based on the principles of electromagnetism and electronic commutation. Here’s an explanation of the working principle of brushless motors and how they generate motion:

1. Stator and Rotor:

A brushless motor consists of two main components: a stationary stator and a rotating rotor. The stator contains multiple coils or windings arranged in a specific pattern. These windings are typically made of copper wire and are evenly spaced around the inner circumference of the motor housing. The rotor, on the other hand, contains permanent magnets that are magnetized in a specific pattern.

2. Electronic Commutation:

The key difference between brushless motors and brushed motors is the method of commutation. In brushed motors, commutation is achieved mechanically through brushes and a commutator. However, in brushless motors, commutation is electronic. The commutation process is managed by an external controller or electronic speed controller (ESC).

3. Rotor Position Detection:

To determine the rotor’s position, brushless motors use sensors or Hall effect devices embedded in the stator. These sensors detect the position of the permanent magnets on the rotor as it rotates. The sensor information is sent to the controller, which uses it to determine the timing and sequence of current flow in the stator windings.

4. Current Distribution:

Based on the rotor position information, the controller determines which stator windings need to be energized to generate the desired motion. The controller then sends electric currents to the appropriate windings in a specific sequence. By energizing different windings at different times, the controller can create a rotating magnetic field in the stator.

5. Magnetic Field Interaction:

As the rotating magnetic field is generated in the stator, it interacts with the permanent magnets on the rotor. The interaction between the rotating magnetic field and the permanent magnets causes the rotor to rotate. The controller continuously adjusts the timing and amplitude of the currents flowing through the stator windings to maintain the rotation and control the motor’s speed and torque.

6. Continuous Rotation:

Brushless motors achieve continuous rotation by continuously updating the rotor position using the sensors and adjusting the current flow in the stator windings accordingly. The electronic commutation process ensures that the currents are switched at the right time and in the right sequence to maintain the rotation and provide precise control over the motor’s operation.

By using electronic commutation and precise control over the currents in the stator windings, brushless motors generate motion with high efficiency, reliability, and accuracy. They offer advantages such as higher speed capabilities, smoother operation, reduced maintenance requirements, and improved overall performance compared to brushed motors. These characteristics make brushless motors widely used in various applications, ranging from small consumer electronics to large industrial machinery.

China manufacturer DC Motor Brushless Electric Motor 110bl3a110-a 160V 4.5kg 790W 3000rpm 325V 6.2A 3A 10A 4.9A 3n. M 6n. M   vacuum pump booster	China manufacturer DC Motor Brushless Electric Motor 110bl3a110-a 160V 4.5kg 790W 3000rpm 325V 6.2A 3A 10A 4.9A 3n. M 6n. M   vacuum pump booster
editor by CX 2024-04-29

China high quality Electrical Motor DC Motor Gear Motor Brushless DC Motor BLDC Electric AC Motor Mirco Motor AC Motor China Motor Manufacturer Customized Motor Geared Motor vacuum pump engine

Product Description

Product Description

In such cases, BLDC Motor with Planetary Gear Box is appropriate for your products: Your projects require self locking and more running & holding torque. You are looking to exact position control on your mechanical products.

BLDC Motor BL42R50M12 with Planetary Gear Box is recommended for projects involving smart products and medical equipment, such as door opener, foldable fitness equipment, smart switch, servo motors and etc.

Please consider the following requirements before requesting customization: speed, holding torque, space available in your product, or other significant factors.

We offer various customization options to meet specific needs:
-Wider supply voltage range, additional voltage types,
-Extended temperature range, suitable for low and high-temperature environments
-Suitable for vacuum environments
-Modified for high-speed or high-load applications
-Motors that meet increased electrical or mechanical tolerance requirements

-Configurable shaft length and second shaft end -Modified shaft sizes and gear configurations

Drawing:

Characteristic of BLDC Motor

Innovative Product Display

Product Usage

Company Profile

Certifications

Exhibition

FAQ

FAQ
Q: Can I visit your factory before we place the order?

A: Yes. You are welcome to visit our factory.

Q: Do you accept customization?
A: Of course. We have a strong design team. Any problems will get our technical  answer.

Q: How soon can I get the price?
A: Usually we quote within 24 hours after getting your inquiry (Except weekend and holidays). If you are very urgent to get the price, please 
contact us by email or other  way so that we can quote.

Q: What’s the delivery time of samples?
A: 1-3 weeks.

Q: What’s the delivery time of mass production?
A: Normally one month. It depends on your order quantity or other special situation.

Q: What’s your payment terms?
A: T/T, Paypal, Western Union, and other payment ways is available. Please contact  us which payment ways you need before placing the order. Payment terms: 30%-50% deposit, the balance before shipment.

Q: What’s the shipping way?
A: We accept shipping way by Express (DHL, UPS, Fedex, etc), by Sea and other shipping way. 
Please contact us if you need other shipping  way before shipment.

 

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Industrial, Household Appliances, Power Tools
Operating Speed: Adjust Speed
Excitation Mode: Excited
Function: Control, Driving
Casing Protection: Protection Type
Number of Poles: 2-6
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

brushless motor

Are there advancements or innovations in brushless motor technology worth noting?

Yes, there have been significant advancements and innovations in brushless motor technology that are worth noting. These advancements have led to improved performance, efficiency, and versatility of brushless motors across various industries. Here’s a detailed explanation of some notable advancements:

1. High-Efficiency Designs:

Advancements in brushless motor design have led to increased efficiency. Motor manufacturers have focused on optimizing the motor’s electromagnetic design, reducing internal power losses, and improving overall energy conversion efficiency. This has resulted in brushless motors with higher power density, improved torque-to-weight ratios, and reduced energy consumption. These high-efficiency designs have found applications in sectors such as electric vehicles, renewable energy systems, and industrial automation, where energy efficiency is crucial.

2. Advanced Control Techniques:

The development of advanced control techniques has greatly enhanced the performance and functionality of brushless motors. Motor control algorithms, such as sensorless control and field-oriented control (FOC), enable precise control of motor speed, torque, and position. These techniques make brushless motors more responsive, efficient, and capable of delivering smooth and precise motion control. Advanced control techniques have revolutionized applications such as robotics, drones, CNC machines, and electric propulsion systems.

3. Integrated Electronics:

Advancements in electronics integration have led to the development of brushless motors with integrated control electronics. These motors, often referred to as “smart” or “intelligent” motors, incorporate built-in motor controllers, sensors, and communication interfaces. The integration of electronics simplifies motor installation, reduces wiring complexity, and enables seamless integration with control systems. Smart brushless motors find applications in automation, robotics, and Internet of Things (IoT) devices, where compactness, ease of use, and connectivity are essential.

4. Sensor Technology:

New sensor technologies have emerged to enhance the performance and reliability of brushless motors. Hall effect sensors and encoders are commonly used in brushless motors to provide feedback on rotor position, enabling precise control and commutation. Recent advancements in sensor technologies have led to the development of more compact, accurate, and durable sensors. Additionally, the integration of sensorless control methods, which rely on motor voltage and current measurements, has eliminated the need for position sensors in some applications, reducing cost and complexity.

5. Materials and Manufacturing:

Advancements in materials and manufacturing techniques have contributed to the improvement of brushless motor performance. The use of high-performance magnet materials, such as neodymium magnets, has increased motor power density and efficiency. Advanced manufacturing processes, such as precision machining and automated assembly, have improved the consistency and quality of brushless motors. Additionally, advancements in thermal management techniques and materials have enabled brushless motors to operate at higher temperatures, expanding their suitability for demanding environments.

6. Miniaturization and Integration:

Brushless motors have seen advancements in miniaturization and integration, allowing for compact and versatile designs. Miniature brushless motors are now available in smaller form factors, making them suitable for applications with limited space, such as medical devices, drones, and consumer electronics. Furthermore, the integration of multiple motors within a single housing, known as multi-axis or multi-DOF systems, has enabled complex motion control and robotics applications, including robotic arms and articulated mechanisms.

7. Application-Specific Customization:

Advancements in brushless motor technology have also facilitated application-specific customization. Motor manufacturers are increasingly offering customization options to meet the specific needs and requirements of various industries. This includes tailoring motor designs, winding configurations, cooling systems, and control parameters to optimize performance and efficiency for specific applications. Customization allows for better integration, improved performance, and enhanced reliability in diverse industries such as aerospace, automotive, and industrial automation.

In summary, advancements and innovations in brushless motor technology have resulted in higher efficiency designs, advanced control techniques, integrated electronics, improved sensor technology, enhanced materials and manufacturing processes, miniaturization and integration, as well as application-specific customization. These advancements have expanded the capabilities and applications of brushless motors, making them indispensable in numerous industries, ranging from automotive and robotics to renewable energy and consumer electronics.

brushless motor

Are there specific applications where brushless motors are more suitable than others?

Yes, there are specific applications where brushless motors are more suitable than others. The unique characteristics and advantages of brushless motors make them well-suited for certain types of applications. Here are some examples:

1. Electric Vehicles (EVs) and Hybrid Electric Vehicles (HEVs):

Brushless motors are highly suitable for EVs and HEVs due to their high efficiency, precise control, and fast acceleration capabilities. They are commonly used in electric drivetrains to provide propulsion and drive the wheels. Brushless motors contribute to the overall energy efficiency of electric vehicles and help maximize the range and performance.

2. Robotics and Automation:

Brushless motors are extensively employed in robotics and automation systems. They offer high torque, precise position control, and rapid acceleration, making them ideal for robotic arms, joints, and grippers. Brushless motors enable accurate and controlled movements, contributing to the efficiency and productivity of industrial and collaborative robots.

3. Aerospace and Aviation:

Brushless motors find applications in the aerospace and aviation sectors. They are used in aircraft systems such as flight control surfaces, landing gear actuation, fuel pumps, and environmental control systems. Brushless motors provide reliable and precise motion control in critical aerospace applications, contributing to the safety and efficiency of aircraft operations.

4. Medical and Healthcare:

In the medical and healthcare sector, brushless motors are employed in various medical devices and equipment. They are used in surgical tools, prosthetics, medical pumps, laboratory equipment, imaging systems, and more. Brushless motors offer quiet operation, precise control, and compact size, making them suitable for applications where accuracy, reliability, and patient comfort are critical.

5. Industrial Machinery and Equipment:

Brushless motors play a crucial role in various industrial machinery and equipment. They are used in machine tools, conveyors, pumps, compressors, and other industrial automation applications. Brushless motors provide reliable and efficient motion control, contributing to the productivity and performance of industrial processes.

6. Consumer Electronics:

Brushless motors are found in numerous consumer electronic devices. They power computer cooling fans, hard disk drives, drones, camera gimbals, electric toothbrushes, and other portable devices. Brushless motors in consumer electronics provide efficient and reliable operation while minimizing noise and vibration. Their small size, lightweight, and high-speed capabilities contribute to the design and functionality of modern consumer electronic products.

These are just a few examples of applications where brushless motors are more suitable than others. However, it’s important to note that brushless motors have a wide range of applications and can be utilized in various industries and systems where efficient and precise motion control is required. The specific requirements of an application, such as power, speed, torque, size, and control, will determine the suitability of brushless motors.

brushless motor

How do brushless motors contribute to energy efficiency compared to brushed motors?

Brushless motors offer several key advantages over brushed motors when it comes to energy efficiency. Here’s how brushless motors contribute to energy efficiency compared to brushed motors:

1. Elimination of Brush Friction:

In brushed motors, the brushes make physical contact with the commutator, resulting in friction and wear. This friction causes energy losses in the form of heat. Brushless motors, on the other hand, do not use brushes or commutators. The absence of brush friction significantly reduces energy losses, resulting in improved energy efficiency. The elimination of brush friction allows brushless motors to operate at higher efficiencies and reduces the amount of wasted energy dissipated as heat.

2. Reduced Electrical Resistance:

Brushed motors rely on the brushes and commutator to transfer electrical current to the rotor windings. However, these components introduce electrical resistance, leading to energy losses in the form of voltage drops and heat generation. In brushless motors, electrical current is transferred to the stator windings through electronic commutation, which eliminates the resistance caused by brushes and commutators. The reduced electrical resistance in brushless motors results in higher energy efficiency and minimizes power losses.

3. Improved Power Conversion:

Brushless motors employ electronic commutation, allowing for more precise control of the current flow in the stator windings. This precise control enables optimized power conversion, ensuring that the electrical energy supplied to the motor is efficiently converted into mechanical power. Brushed motors, on the other hand, rely on mechanical commutation, which is less efficient and leads to power losses in the form of sparks and arcing. The improved power conversion in brushless motors contributes to their higher energy efficiency.

4. Regenerative Braking:

Brushless motors have the capability of regenerative braking, which further enhances their energy efficiency. During braking or deceleration, the motor can act as a generator, converting the kinetic energy of the moving load back into electrical energy. This regenerated energy can be fed back into the power source or stored in batteries or capacitors for later use. Regenerative braking reduces energy wastage and improves overall system efficiency by recovering and reusing energy that would otherwise be dissipated as heat in traditional braking systems.

5. Optimal Sizing and Control:

Brushless motors can be designed and controlled to match the specific requirements of the application, resulting in optimal sizing and operation. By selecting the appropriate motor size, torque rating, and control parameters, the motor can operate at its most efficient operating point. This tailored approach ensures that the motor operates with minimal energy losses and maximizes its energy efficiency. In contrast, brushed motors may be oversized or underutilized for certain applications, leading to less efficient operation and higher energy consumption.

Overall, brushless motors offer higher energy efficiency compared to brushed motors due to the elimination of brush friction, reduced electrical resistance, improved power conversion, regenerative braking capabilities, and the ability to optimize motor sizing and control. These energy-saving features make brushless motors a preferred choice in various applications, particularly those that prioritize energy efficiency, such as electric vehicles, renewable energy systems, and battery-powered devices.

China high quality Electrical Motor DC Motor Gear Motor Brushless DC Motor BLDC Electric AC Motor Mirco Motor AC Motor China Motor Manufacturer Customized Motor Geared Motor   vacuum pump engine	China high quality Electrical Motor DC Motor Gear Motor Brushless DC Motor BLDC Electric AC Motor Mirco Motor AC Motor China Motor Manufacturer Customized Motor Geared Motor   vacuum pump engine
editor by CX 2024-04-26

China manufacturer PMDC Motor DC Motor Electric Motor Electrical Motor Micro Motor AC Motor Brushed Motor Mini DC Motor Gear Motor Gear Motor Brushless Motor Geared Motor vacuum pump diy

Product Description

Product Description

BLDC Motor is featured with electronically commutation, extremely wide speed range and an outstandingly long life span, and  mainly used in applications that low noise and low vibration is a prime requirement, such as consumer robot, coffee grinder, fan&air purifier, vacuum & blower ,etc.

In such cases, CJC’s inner rotor motors are for your products: Your projects demand a greater cooling effect. You prefer motors to obtain a high acceleration rate and high system sensitivity.

DC395 is most suitable for locomotives, residential Fans, and other high-speed horizontal installation equipment with a quick start, such as blowers, high speed centrifuge, vending machines, Coffee Machine, and other fields.

Please consider the following requirements before requesting customization: motor size, controller, motor ratings, gearbox(if any), or other significant factors. The following parameters for your reference, we could customize motor for your applications.

Parameters:

Rated Voltage 24V Rated Speed 6400RPM±10%
Rated Current 0.4A Motor Weight 350g±5%
No-Load Current ≤0.2A Rated Torque 20mN
No-Load Speed 8000RPM±10% Stall Current 3.2A max

Drawing:

Innovative Product Display

Product Usage

Company Profile

Certifications

Exhibition

FAQ

Q: Can I visit your factory before we place the order?
A: Yes. You are welcome to visit our factory.

Q: Do you accept customization?
A: Of course. We have a strong design team. Any problems will get our technical  answer.

Q: How soon can I get the price?
A: Usually we quote within 24 hours after getting your inquiry (Except weekend and holidays). If you are very urgent to get the price, please 
contact us by email or other  way so that we can quote.

Q: What’s the delivery time of samples?
A: 1-3 weeks.

Q: What’s the delivery time of mass production?
A: Normally one month. It depends on your order quantity or other special situation.

Q: What’s your payment terms?
A: T/T, Paypal, Western Union, and other payment ways is available. Please contact  us which payment ways you need before placing the order. Payment terms: 30%-50% deposit, the balance before shipment.

Q: What’s the shipping way?
A: We accept shipping way by Express (DHL, UPS, Fedex, etc), by Sea and other    shipping way. Please contact us if you need other shipping 
way before shipment.

 

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Industrial, Household Appliances, Power Tools
Operating Speed: Adjust Speed
Excitation Mode: Excited
Function: Control, Driving
Casing Protection: Closed Type
Number of Poles: 2-6
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

brushless ac motor

In what applications are brushless AC motors commonly used?

Brushless AC motors find extensive application in various industries and sectors due to their numerous advantages. Here are some common applications where brushless AC motors are commonly used:

  • Industrial Automation: Brushless AC motors are widely employed in industrial automation systems, including conveyor belts, robotic arms, packaging machinery, and CNC machines. Their precise control, high efficiency, and reliability make them suitable for these demanding applications.
  • Electric Vehicles (EVs): Brushless AC motors are a popular choice for electric vehicles, including electric cars, motorcycles, and scooters. They offer high torque, efficient power conversion, and regenerative braking capabilities, contributing to the overall performance and range of electric vehicles.
  • HVAC Systems: Heating, ventilation, and air conditioning (HVAC) systems often use brushless AC motors in fans and blowers. The motors provide energy-efficient operation, precise airflow control, and quieter performance compared to traditional brushed motors.
  • Aerospace and Aviation: Brushless AC motors are employed in various aerospace and aviation applications, such as aircraft actuators, flight control systems, and auxiliary power units. The motors offer lightweight design, high power density, and reliable operation in demanding environments.
  • Medical Equipment: Many medical devices and equipment, including surgical tools, imaging systems, and laboratory equipment, utilize brushless AC motors. The motors provide precise control, low noise, and long life, ensuring the reliability and effectiveness of medical procedures.
  • Home Appliances: Brushless AC motors are increasingly used in home appliances such as refrigerators, washing machines, and dishwashers. They offer energy-efficient operation, reduced noise, and enhanced durability compared to traditional brushed motors.
  • Renewable Energy: Brushless AC motors play a crucial role in renewable energy systems like wind turbines and solar tracking systems. Their high efficiency and precise control contribute to optimizing energy generation and harnessing renewable resources effectively.
  • Electronics and Computer Cooling: Brushless AC motors are utilized in electronics and computer cooling applications, including fans and heatsinks. The motors provide efficient heat dissipation, reliable cooling, and quiet operation to prevent overheating and ensure the optimal performance of electronic components.

These are just a few examples of the many applications where brushless AC motors are commonly used. Their versatility, efficiency, reliability, and precise control make them an ideal choice across various industries and sectors.

brushless ac motor

How does the efficiency of a brushless AC motor compare to other motor types?

The efficiency of a motor refers to its ability to convert electrical power into mechanical power with minimal losses. Brushless AC motors are known for their high efficiency compared to other motor types. Here’s a detailed explanation of how the efficiency of brushless AC motors compares to other motor types:

1. Brushed DC Motors: Brushed DC motors, which use carbon brushes and a commutator, typically have lower efficiency compared to brushless AC motors. The brushes and commutator in brushed DC motors introduce friction and electrical losses, reducing overall efficiency. Additionally, the brush contact can cause sparking and wear over time, further impacting efficiency. Brushless AC motors, which eliminate the brushes and commutator, offer higher efficiency due to reduced friction and electrical losses.

2. Induction Motors: Induction motors are a type of AC motor commonly used in various applications. While induction motors are generally efficient, brushless AC motors can offer even higher efficiency. Brushless AC motors benefit from the absence of rotor windings and the elimination of energy losses associated with rotor resistance in induction motors. Additionally, brushless AC motors can achieve higher power factor and better control, further contributing to their overall efficiency.

3. Brushed AC Motors: Brushed AC motors, which use brushes and a commutator similar to brushed DC motors, typically have lower efficiency compared to brushless AC motors. The brushes and commutator in brushed AC motors introduce friction, wear, and electrical losses, reducing overall efficiency. Brushless AC motors eliminate these components, resulting in higher efficiency and improved performance.

4. Permanent Magnet Synchronous Motors (PMSMs): Brushless AC motors, also known as permanent magnet synchronous motors (PMSMs), are highly efficient compared to other motor types. PMSMs utilize permanent magnets on the rotor, eliminating the need for rotor windings and associated losses. The absence of brushes and commutators, as well as the use of advanced control techniques, contribute to the high efficiency of brushless AC motors. PMSMs are widely used in applications that require high efficiency, such as electric vehicles, industrial automation, and renewable energy systems.

It’s important to note that the efficiency of a motor can also depend on factors such as motor design, size, operating conditions, and control mechanisms. While brushless AC motors generally offer high efficiency, specific motor models and variations may vary in their efficiency performance. It is advisable to refer to the motor manufacturer’s specifications and efficiency data for accurate comparisons and selection of the most suitable motor for a given application.

brushless ac motor

Are there limitations to the size or capacity of brushless AC motors?

Yes, there are limitations to the size or capacity of brushless AC motors. While brushless AC motors offer several advantages over other motor types, such as higher efficiency, better speed control, and longer lifespan, they do have certain limitations that need to be considered. Here’s a detailed explanation of these limitations:

1. Physical Size: Brushless AC motors tend to be larger in size compared to brushed motors of similar power ratings. This is primarily due to the additional components required for the motor’s operation, such as the rotor position sensors and the motor controller. As a result, there may be practical limitations on the size of brushless AC motors that can be used in certain applications where space is limited or where compact motor designs are required.

2. Power Density: Brushless AC motors generally have lower power density compared to some other motor types, such as brushed DC motors or certain types of high-performance motors. Power density refers to the amount of power that can be delivered per unit volume or weight of the motor. This limitation can impact applications where high power-to-size or power-to-weight ratios are critical, such as in aerospace or automotive applications.

3. Cost: Brushless AC motors can be more expensive compared to other motor types, especially for smaller power ratings. The additional components and complex control systems required for brushless AC motor operation contribute to higher manufacturing costs. This cost limitation may make brushless AC motors less economically viable for certain applications, particularly those with low power requirements or strict budget constraints.

4. High-Speed Operation: Brushless AC motors may face challenges when operating at extremely high speeds. The centrifugal forces acting on the rotor components can increase significantly at high speeds, leading to increased mechanical stress and potential issues with rotor balancing. Specialized designs and materials may be required to mitigate these challenges and ensure safe and reliable high-speed operation.

5. Complex Control Systems: Brushless AC motors require sophisticated control systems, such as motor controllers or drives, to operate effectively. These control systems must accurately synchronize the switching of the inverter and the rotor position to achieve optimal motor performance. The design, implementation, and maintenance of these control systems can be complex and may require specialized knowledge and expertise.

Despite these limitations, brushless AC motors are widely used in various applications, ranging from industrial machinery and robotics to electric vehicles and renewable energy systems. Continuous advancements in motor technology and control systems are addressing many of these limitations, allowing brushless AC motors to be applied in a broader range of applications and power capacities.

It’s crucial to consider the specific requirements and constraints of the intended application when selecting a motor type. Consulting with motor experts or engineers can provide valuable insights into the suitability and limitations of brushless AC motors for a given application.

China manufacturer PMDC Motor DC Motor Electric Motor Electrical Motor Micro Motor AC Motor Brushed Motor Mini DC Motor Gear Motor Gear Motor Brushless Motor Geared Motor   vacuum pump diyChina manufacturer PMDC Motor DC Motor Electric Motor Electrical Motor Micro Motor AC Motor Brushed Motor Mini DC Motor Gear Motor Gear Motor Brushless Motor Geared Motor   vacuum pump diy
editor by CX 2024-04-26

China manufacturer Closed Type Modern Design Electric AC Brushless Single Phase Electrical Washer Motor vacuum pump belt

Product Description

 

Product name Dishwasher Motor
Frequency 50/60Hz
Color White
OEM,ODM Available
Power 50W
Current 0.4A
Insulation Class F

Detailed Photos


 

Main products

 

Company Profile

Workshop

Exhibition

Certifications

FAQ

 

1 Q: Are you a manufacturer or trading company?

A:We are professional drain pump and motor manufacturer for almost 10 years.

2. Q: What’s your delivery time?

A: 1. The stock samples can be sent to you within 3-5 days by international express.

2. The batch order can be shipped to you in about 25-30 days after order confirmation( by air or by sea).

3 Q: Is it all right to make customer’s own brand name?

A:Yes, we accept OEM.

4 Q: What is your loading port?

A:Xihu (West Lake) Dis. port.

5 Q: What are your payment terms?

A:We can acceptT/T,L/C,DP,.

 

Any more question.Please contact us without any hesitation.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Industrial, Universal, Household Appliances
Operating Speed: High Speed
Number of Stator: Single-Phase
Casing Protection: Closed Type
Number of Poles: 2
Certification: CCC
Samples:
US$ 18.5/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

brushless ac motor

What is a brushless AC motor, and how does it differ from traditional brushed motors?

A brushless AC motor, also known as a brushless alternating current motor, is a type of electric motor that operates without the use of brushes and commutators found in traditional brushed motors. Instead of using brushes to transfer electrical power to the rotor, brushless AC motors utilize electronic commutation to control the motor’s operation.

The main differences between brushless AC motors and traditional brushed motors are as follows:

  1. Brushes and commutators: In traditional brushed motors, the rotor contains brushes that come into contact with a commutator, which transfers electrical power to the rotor windings. The brushes and commutators introduce friction and wear, requiring regular maintenance and replacement. In contrast, brushless AC motors eliminate the need for brushes and commutators, resulting in reduced friction, lower maintenance requirements, and increased motor lifespan.
  2. Electronic commutation: Brushless AC motors employ electronic commutation through the use of sensors and an electronic controller. The controller monitors the rotor position and switches the current in the motor windings at precise moments to generate the desired rotating magnetic field. This electronic commutation allows for more precise control of the motor’s speed, torque, and direction of rotation.
  3. Efficiency and performance: Brushless AC motors generally offer higher efficiency compared to traditional brushed motors. The elimination of brushes and commutators reduces energy losses, resulting in improved overall motor efficiency. Additionally, brushless AC motors can provide smoother and quieter operation due to their electronic commutation and precise control of the motor’s performance.
  4. Size and weight: Brushless AC motors are often more compact and lightweight compared to traditional brushed motors with similar power ratings. The absence of brushes and commutators allows for a more streamlined motor design, making brushless AC motors suitable for applications with limited space or weight restrictions.
  5. Reliability and lifespan: Brushless AC motors tend to have a longer lifespan and higher reliability due to the absence of brushes that can wear out over time. The elimination of brush-related issues, such as brush sparking and brush dust accumulation, contributes to the improved reliability and durability of brushless AC motors.

Brushless AC motors are widely used in various applications, including industrial automation, robotics, electric vehicles, HVAC systems, and more. Their superior efficiency, precise control, reduced maintenance requirements, and longer lifespan make them a preferred choice in many modern motor-driven systems.

brushless ac motor

How does the efficiency of a brushless AC motor compare to other motor types?

The efficiency of a motor refers to its ability to convert electrical power into mechanical power with minimal losses. Brushless AC motors are known for their high efficiency compared to other motor types. Here’s a detailed explanation of how the efficiency of brushless AC motors compares to other motor types:

1. Brushed DC Motors: Brushed DC motors, which use carbon brushes and a commutator, typically have lower efficiency compared to brushless AC motors. The brushes and commutator in brushed DC motors introduce friction and electrical losses, reducing overall efficiency. Additionally, the brush contact can cause sparking and wear over time, further impacting efficiency. Brushless AC motors, which eliminate the brushes and commutator, offer higher efficiency due to reduced friction and electrical losses.

2. Induction Motors: Induction motors are a type of AC motor commonly used in various applications. While induction motors are generally efficient, brushless AC motors can offer even higher efficiency. Brushless AC motors benefit from the absence of rotor windings and the elimination of energy losses associated with rotor resistance in induction motors. Additionally, brushless AC motors can achieve higher power factor and better control, further contributing to their overall efficiency.

3. Brushed AC Motors: Brushed AC motors, which use brushes and a commutator similar to brushed DC motors, typically have lower efficiency compared to brushless AC motors. The brushes and commutator in brushed AC motors introduce friction, wear, and electrical losses, reducing overall efficiency. Brushless AC motors eliminate these components, resulting in higher efficiency and improved performance.

4. Permanent Magnet Synchronous Motors (PMSMs): Brushless AC motors, also known as permanent magnet synchronous motors (PMSMs), are highly efficient compared to other motor types. PMSMs utilize permanent magnets on the rotor, eliminating the need for rotor windings and associated losses. The absence of brushes and commutators, as well as the use of advanced control techniques, contribute to the high efficiency of brushless AC motors. PMSMs are widely used in applications that require high efficiency, such as electric vehicles, industrial automation, and renewable energy systems.

It’s important to note that the efficiency of a motor can also depend on factors such as motor design, size, operating conditions, and control mechanisms. While brushless AC motors generally offer high efficiency, specific motor models and variations may vary in their efficiency performance. It is advisable to refer to the motor manufacturer’s specifications and efficiency data for accurate comparisons and selection of the most suitable motor for a given application.

brushless ac motor

Can you explain the concept of back electromotive force (BEMF) in brushless AC motors?

Back electromotive force (BEMF) is an important concept in brushless AC motors. It refers to the voltage that is induced in the motor’s windings when the rotor rotates in the magnetic field generated by the stator. BEMF plays a crucial role in the operation and control of brushless AC motors. Here’s a detailed explanation of the concept of BEMF and its significance:

When an electric current flows through the motor’s stator windings, it creates a magnetic field that interacts with the permanent magnets or field windings on the rotor. As the rotor spins, the magnetic field lines cut across the stator windings, inducing a voltage in the windings. This induced voltage opposes the applied voltage and is referred to as the back electromotive force (BEMF).

BEMF is a consequence of Faraday’s law of electromagnetic induction, which states that a changing magnetic field induces an electromotive force in a conductor. In the case of brushless AC motors, the rotating rotor and the fixed stator create a changing magnetic field that induces a voltage in the stator windings.

The magnitude and waveform of the BEMF depend on several factors, including the speed of the motor, the number of winding turns, the strength of the magnetic field, and the design of the motor. At low speeds, the BEMF is relatively low, while at high speeds, the BEMF increases proportionally with the speed of the motor.

The BEMF in brushless AC motors serves several important purposes:

  • Motor Control: BEMF is used as feedback in motor control systems to determine the rotor position and speed. By measuring the BEMF, the motor controller can accurately synchronize the switching of the inverter to energize the stator windings at the correct time, ensuring optimal motor performance.
  • Commutation: BEMF provides information about the position of the rotor relative to the stator windings. This information is crucial for determining when to switch the current flow between different windings to generate the rotating magnetic field necessary for motor operation. By monitoring the BEMF, the motor controller can precisely control the commutation sequence, ensuring smooth and efficient motor operation.
  • Speed Regulation: BEMF is directly related to the speed of the motor. By measuring the BEMF, the motor controller can accurately determine the speed of the motor and adjust the applied voltage or frequency to maintain the desired speed. This speed regulation capability allows brushless AC motors to operate at variable speeds, providing flexibility and energy efficiency in various applications.
  • Overvoltage Protection: BEMF also plays a role in protecting the motor from overvoltage conditions. If the motor is being driven at high speed and the load suddenly decreases or the motor decelerates rapidly, the BEMF can increase significantly. The motor controller can monitor the BEMF and detect this overvoltage condition, triggering protective measures to prevent damage to the motor or other components.

In summary, back electromotive force (BEMF) is the voltage induced in the stator windings of brushless AC motors as a result of the rotor’s rotation in the magnetic field. BEMF is used for motor control, commutation, speed regulation, and overvoltage protection. Understanding and utilizing BEMF is essential for efficient and precise operation of brushless AC motors.

China manufacturer Closed Type Modern Design Electric AC Brushless Single Phase Electrical Washer Motor   vacuum pump belt	China manufacturer Closed Type Modern Design Electric AC Brushless Single Phase Electrical Washer Motor   vacuum pump belt
editor by CX 2024-04-22

China manufacturer Elevate Your Cooling Experience with The 1/4HP Brushless DC Fan Motor, Ideal for Air Purifiers, Chillers, and Split AC Units vacuum pump distributors

Product Description

 

Product Description

Brushless DC Fan Motor for Air Purifier, Chiller, and Split Outdoor Air Conditioner

The above-mentioned specification is representative, and can also be designed and manufactured according to customer requirements.

Main Technical Data of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Outdoor Air Conditioner:

Model
 
Vol (V)
 
AMPS (A) RPM (r/min) Output (W)
 
Vsp(V)
ZWD006510SDD
 
Vdc 310 0.27 300-900 65W 0-6.5
ZWD0 0571 1SDD
 
Vdc 310 0.32 300-900 80W 0-6.5
ZWD012571SDD
 
Vdc 310 0.49 300-900 120W 0-6.5
ZWD015571SDD
 
Vdc 310 0.61 300-900 150W 0-6.5
ZWD571571SDD
 
Vdc 310 0.81 300-900 200W 0-6.5
ZWD571571SDD
 
Vdc 310 1.1 300-900 250W 0-6.5

 

low noise,
quiet operation
IP 44 protection level,
Locked rotor protection,
open phase protection,
over-voltage protection,
over-current overheating protection
High efficiency,
wide speed adjustment range, 
VSP mode
programmable

 

Materials
        Silent bearing, driving board, copper wire
 

 

Application

Application
       
Air purifier, chiller, split air conditioning outdoor unit

 

Product Parameters

Performance:

    DC 310V                                                                   
     Power output up to:250W
     Variable operation speed

Drawing of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Outdoor Air Conditioner:

 

Recommendation

Main Products of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Outdoor Air Conditioner:

 

Terms

Terms:
    1. Trade Terms: FOB, CIF, CNF, EXW, DOOR TO DOOR.

             2. Payment Terms: T/T, L/C, Western Union.

                      3. Payment Condition: 50% deposit in advance, 50% balance before delivery.

                              4. Delivery Time: 15-30 days after deposit (if T/T).

                                       5. Shipping: By sea, by air and by express delivery

 

Company Profile

       HangZhou CHINAMFG Electric Co., Ltd. was established in 2013. Is a manufacturer focused on innovative motor solutions for the residential and commercial CHINAMFG and refrigeration industries.
       The company has a skilled R & D team and has more than 10 years of motor research and development, design, production, and sales experience. With an annual output of 1 million motor production capacity.
       The new generation of BLDC motors and EC motors developed by CHINAMFG use a unique high flux and shock absorption design, coupled with high-quality bearings so that the motor has more torque the same. CARLYI branded motors have been approved by CCC, ISO9001, CE, and RoHS certification.

 

Packaging & Shipping

Packing and Xihu (West Lake) Dis. of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Outdoor Air Conditioner:

FAQ

FAQ of Brushless DC Fan Motor for Air Purifier, Chiller, and Split Outdoor Air Conditioner:

Q1. What types of motors does your company manufacture?
A: We specialize in manufacturing motors designed for residential, and commercial CHINAMFG (Heating, Ventilation, and Air Conditioning), and refrigeration equipment. These motors are engineered to meet the specific demands of these applications.

Q2. Are your motors energy-efficient?
A: Yes, our motors are designed with a focus on energy efficiency. We employ advanced technologies and materials to ensure that our motors consume minimal energy while delivering optimal performance.

Q3. Can you provide custom motor solutions?
A: Absolutely! We understand that each application may have unique requirements. Our team is experienced in developing custom motor solutions tailored to your specific needs. Contact our sales department to discuss your customization requirements.

Q4. What is the typical lifespan of your motors?
A: Our motors are built to last. The lifespan of our motors varies depending on usage and maintenance, but they are designed for long-term reliability and durability, especially when properly maintained.

Q5. Do you provide technical support and assistance?
A: Yes, we offer comprehensive technical support and assistance. Our team of experts is available to answer your questions, provide guidance on motor selection, and offer troubleshooting assistance whenever needed.

Q6. Are your motors compliant with industry standards and regulations?
A: Yes, our motors are manufactured to meet or exceed industry standards and regulations. We prioritize safety, efficiency, and environmental compliance in our motor designs. We conduct inspections by the ISO9001 standard and are overseen by our experienced QC staff.

Q7. How do I request a quote or place an order?
A: You can request a quote or place an order by contacting our sales department through our website or by CHINAMFG out to our dedicated sales representatives. We will provide you with a competitive quote and guide you through the ordering process.

Q8. Where is your company located, and do you ship internationally?
A: Our company is headquartered in HangZhou City, ZheJiang Province, China. We offer international shipping to serve customers worldwide. Contact us for shipping and distribution details specific to your region.

Q9. Do you have a warranty policy for your motors?
A: Yes, we offer warranties on our motors to ensure customer satisfaction and peace of mind. For the motors, we have a long enough 18-month guarantee, and for the service, we offer 24-hour technical support and barrier-free communication.

Q10: How long does it take to prepare samples and process batch orders?
A: Sample preparation usually takes 3 days if we have it in hand and around a week for custom samples. Batch order production typically spans 15-30 days, with newly developed items possibly requiring an extra 2 weeks.

If you have any more specific questions or need further assistance, please feel free to get in touch with our team.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Household Appliances, Air Purifier,Chiller,Split Outdoor Air Conditioner
Operating Speed: Adjust Speed
Function: Control, Energy Saving, High Efficiency and Low Noise
Samples:
US$ 60/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

brushless ac motor

Can you explain the working principle of a brushless AC motor in simple terms?

A brushless AC motor operates based on the principles of electromagnetism and electronic control. Here’s a simplified explanation of the working principle:

A brushless AC motor consists of two main components: a stator and a rotor. The stator is the stationary part of the motor, while the rotor is the rotating part.

The stator contains multiple coils of wire, known as windings, which are evenly spaced around the inner circumference. These windings are energized with alternating current (AC) from an external power source.

The rotor, on the other hand, consists of permanent magnets or electromagnets. The number of magnets corresponds to the number of windings in the stator.

When the AC power is supplied to the stator windings, it creates a rotating magnetic field. This rotating magnetic field induces a magnetic force on the magnets in the rotor, causing the rotor to rotate.

To ensure the rotor rotates in synchronization with the rotating magnetic field, brushless AC motors employ electronic commutation. Electronic sensors, such as Hall effect sensors, are placed inside the motor to detect the position of the rotor magnets.

Based on the input from the sensors, an electronic controller determines the precise timing to switch the current flow in the stator windings. By switching the current at the right moment, the controller ensures that the magnetic force on the rotor magnets is always in the proper direction to generate continuous rotation.

This process of electronic commutation and precise switching of current in the stator windings allows for accurate control of the motor’s speed, torque, and direction of rotation.

Overall, the working principle of a brushless AC motor involves the creation of a rotating magnetic field in the stator through energized windings, and the use of electronic commutation to accurately control the rotation of the rotor magnets. This combination of electromagnetism and electronic control enables brushless AC motors to provide efficient and precise motor operation in various applications.

brushless ac motor

How does the efficiency of a brushless AC motor compare to other motor types?

The efficiency of a motor refers to its ability to convert electrical power into mechanical power with minimal losses. Brushless AC motors are known for their high efficiency compared to other motor types. Here’s a detailed explanation of how the efficiency of brushless AC motors compares to other motor types:

1. Brushed DC Motors: Brushed DC motors, which use carbon brushes and a commutator, typically have lower efficiency compared to brushless AC motors. The brushes and commutator in brushed DC motors introduce friction and electrical losses, reducing overall efficiency. Additionally, the brush contact can cause sparking and wear over time, further impacting efficiency. Brushless AC motors, which eliminate the brushes and commutator, offer higher efficiency due to reduced friction and electrical losses.

2. Induction Motors: Induction motors are a type of AC motor commonly used in various applications. While induction motors are generally efficient, brushless AC motors can offer even higher efficiency. Brushless AC motors benefit from the absence of rotor windings and the elimination of energy losses associated with rotor resistance in induction motors. Additionally, brushless AC motors can achieve higher power factor and better control, further contributing to their overall efficiency.

3. Brushed AC Motors: Brushed AC motors, which use brushes and a commutator similar to brushed DC motors, typically have lower efficiency compared to brushless AC motors. The brushes and commutator in brushed AC motors introduce friction, wear, and electrical losses, reducing overall efficiency. Brushless AC motors eliminate these components, resulting in higher efficiency and improved performance.

4. Permanent Magnet Synchronous Motors (PMSMs): Brushless AC motors, also known as permanent magnet synchronous motors (PMSMs), are highly efficient compared to other motor types. PMSMs utilize permanent magnets on the rotor, eliminating the need for rotor windings and associated losses. The absence of brushes and commutators, as well as the use of advanced control techniques, contribute to the high efficiency of brushless AC motors. PMSMs are widely used in applications that require high efficiency, such as electric vehicles, industrial automation, and renewable energy systems.

It’s important to note that the efficiency of a motor can also depend on factors such as motor design, size, operating conditions, and control mechanisms. While brushless AC motors generally offer high efficiency, specific motor models and variations may vary in their efficiency performance. It is advisable to refer to the motor manufacturer’s specifications and efficiency data for accurate comparisons and selection of the most suitable motor for a given application.

brushless ac motor

Can you explain the concept of back electromotive force (BEMF) in brushless AC motors?

Back electromotive force (BEMF) is an important concept in brushless AC motors. It refers to the voltage that is induced in the motor’s windings when the rotor rotates in the magnetic field generated by the stator. BEMF plays a crucial role in the operation and control of brushless AC motors. Here’s a detailed explanation of the concept of BEMF and its significance:

When an electric current flows through the motor’s stator windings, it creates a magnetic field that interacts with the permanent magnets or field windings on the rotor. As the rotor spins, the magnetic field lines cut across the stator windings, inducing a voltage in the windings. This induced voltage opposes the applied voltage and is referred to as the back electromotive force (BEMF).

BEMF is a consequence of Faraday’s law of electromagnetic induction, which states that a changing magnetic field induces an electromotive force in a conductor. In the case of brushless AC motors, the rotating rotor and the fixed stator create a changing magnetic field that induces a voltage in the stator windings.

The magnitude and waveform of the BEMF depend on several factors, including the speed of the motor, the number of winding turns, the strength of the magnetic field, and the design of the motor. At low speeds, the BEMF is relatively low, while at high speeds, the BEMF increases proportionally with the speed of the motor.

The BEMF in brushless AC motors serves several important purposes:

  • Motor Control: BEMF is used as feedback in motor control systems to determine the rotor position and speed. By measuring the BEMF, the motor controller can accurately synchronize the switching of the inverter to energize the stator windings at the correct time, ensuring optimal motor performance.
  • Commutation: BEMF provides information about the position of the rotor relative to the stator windings. This information is crucial for determining when to switch the current flow between different windings to generate the rotating magnetic field necessary for motor operation. By monitoring the BEMF, the motor controller can precisely control the commutation sequence, ensuring smooth and efficient motor operation.
  • Speed Regulation: BEMF is directly related to the speed of the motor. By measuring the BEMF, the motor controller can accurately determine the speed of the motor and adjust the applied voltage or frequency to maintain the desired speed. This speed regulation capability allows brushless AC motors to operate at variable speeds, providing flexibility and energy efficiency in various applications.
  • Overvoltage Protection: BEMF also plays a role in protecting the motor from overvoltage conditions. If the motor is being driven at high speed and the load suddenly decreases or the motor decelerates rapidly, the BEMF can increase significantly. The motor controller can monitor the BEMF and detect this overvoltage condition, triggering protective measures to prevent damage to the motor or other components.

In summary, back electromotive force (BEMF) is the voltage induced in the stator windings of brushless AC motors as a result of the rotor’s rotation in the magnetic field. BEMF is used for motor control, commutation, speed regulation, and overvoltage protection. Understanding and utilizing BEMF is essential for efficient and precise operation of brushless AC motors.

China manufacturer Elevate Your Cooling Experience with The 1/4HP Brushless DC Fan Motor, Ideal for Air Purifiers, Chillers, and Split AC Units   vacuum pump distributorsChina manufacturer Elevate Your Cooling Experience with The 1/4HP Brushless DC Fan Motor, Ideal for Air Purifiers, Chillers, and Split AC Units   vacuum pump distributors
editor by CX 2024-04-17

China manufacturer Brushless DC Motor 86bls71-48V-30220b-3 220W 3000rpm 0.7n. M for Barbecue Machine vacuum pump diy

Product Description


Electric Specification:
 

 Drawing(unit=mm)

 

Applications:

Used for 3D printer ,
electronic automatic equipment stepping motor,
medical instrument stepping motor,
advertising instrument stepper motor,
lighting& audio equipment stepper motor,
printer stepper motor, textile machinery stepper motor.
Cnc router stepper motor.

Other product:
Stepper motor
brushless dc motor
DC motor
Spindle motor
Driver(stepper driver and BLDC driver)
Linear motor
Easy servo motor and so on

Production Steps

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: CNC Machine
Speed: High Speed
Number of Stator: Three-Phase
Excitation Mode: HB-Hybrid
Function: Driving
Number of Poles: 8
Samples:
US$ 39.5/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

brushless motor

Where can individuals find reliable information and resources for learning more about brushless motors?

Individuals seeking reliable information and resources to learn more about brushless motors have several options available. Here are some recommended sources:

1. Manufacturer Websites:

Visit the websites of reputable brushless motor manufacturers. Manufacturers often provide detailed information about their products, including specifications, application guidelines, technical documentation, and educational resources. These websites can be a valuable source of accurate and up-to-date information about brushless motors.

2. Industry Associations and Organizations:

Explore industry associations and organizations related to electric motors, automation, or specific applications of brushless motors. These associations often provide educational materials, technical publications, webinars, and conferences that cover various aspects of motor technology. Examples include the Institute of Electrical and Electronics Engineers (IEEE), the American Society of Mechanical Engineers (ASME), or industry-specific associations like the Robotics Industries Association (RIA) or the Electric Motor Education and Research Foundation (EMERF).

3. Technical Forums and Online Communities:

Participate in technical forums and online communities focused on motors and related technologies. Platforms like Stack Exchange, Reddit, or specialized engineering forums often have dedicated sections where individuals can ask questions, learn from experts, and access valuable resources. Engaging with these communities can provide insights into real-world experiences and practical knowledge about brushless motors.

4. Books and Publications:

Consult books, textbooks, and technical publications that cover electric motors and motor control theory. Look for titles that specifically address brushless motor technology or broader topics such as electromechanical systems, power electronics, or mechatronics. Libraries, online bookstores, and academic institutions are good sources for finding relevant publications.

5. Online Tutorials and Courses:

Explore online tutorials and courses offered by educational platforms, engineering schools, or specialized training providers. Platforms such as Coursera, Udemy, or Khan Academy may offer courses related to electric motors, motor control, or mechatronics. These resources often provide structured learning experiences with video lectures, practical exercises, and assessments.

6. Research Papers and Technical Journals:

Access research papers and technical journals focused on electrical engineering, motor technology, or related fields. Platforms like IEEE Xplore, ResearchGate, or academic databases provide access to a wide range of scholarly articles and technical papers. These sources can offer in-depth knowledge about the latest advancements, research findings, and technical details related to brushless motors.

7. Industry Trade Shows and Exhibitions:

Attend industry trade shows and exhibitions that feature motor manufacturers, suppliers, and technology providers. These events often showcase the latest products, innovations, and advancements in motor technology. They also provide opportunities to interact with industry experts, attend technical presentations, and gather valuable information about brushless motors.

8. Online Product Catalogs and Datasheets:

Review online product catalogs and datasheets provided by motor manufacturers. These documents typically contain detailed specifications, performance data, and application notes for specific motor models. They can help individuals understand the capabilities, limitations, and features of different brushless motors.

Remember to critically evaluate the information obtained from various sources and cross-reference multiple resources to ensure accuracy and reliability. Brushless motor technology is a dynamic field, so staying updated with the latest research and industry developments is essential for gaining comprehensive knowledge.

brushless motor

What types of sensors are commonly used in brushless motors for feedback and control?

In brushless motors, various types of sensors are commonly used for feedback and control purposes. These sensors provide essential data to monitor and control the motor’s position, speed, and other parameters. Here are some of the commonly used sensors in brushless motors:

1. Hall Effect Sensors:

Hall effect sensors are widely used in brushless motors for commutation control. Typically, three Hall effect sensors are positioned around the motor’s stator to detect the position of the rotor’s permanent magnets. By sensing the magnetic field changes, the Hall effect sensors determine the rotor’s position relative to the stator. This information is crucial for the motor’s electronic controller to apply the correct current to the motor’s windings and ensure proper commutation.

2. Encoder Sensors:

Encoders are commonly employed in brushless motors for precise position control. There are two main types of encoders used: optical encoders and magnetic encoders. Optical encoders use an optical disc with patterns and a light-emitting diode (LED) and photodetector to detect the rotation of the motor’s shaft. Magnetic encoders, on the other hand, utilize magnetic fields and sensors to measure the shaft’s position. Encoders provide high-resolution position feedback and enable accurate closed-loop control of the motor’s position.

3. Resolver Sensors:

Resolvers are another type of position sensor used in brushless motors. They consist of a rotor and a stator with windings. As the rotor rotates, the resolver measures the angular position by detecting the voltages induced in the stator windings. Resolvers are known for their durability and resistance to harsh environmental conditions, making them suitable for various industrial applications.

4. Current Sensors:

Current sensors are used to measure the current flowing through the motor’s windings. They provide feedback on the motor’s electrical load and enable monitoring of the motor’s torque output. Current sensors can be based on different principles, such as Hall effect, shunt resistors, or current transformers. By measuring the motor’s current, the control system can adjust the motor’s performance and protect it from overcurrent conditions.

5. Temperature Sensors:

Temperature sensors are utilized to monitor the motor’s temperature and prevent overheating. These sensors can be thermocouples, thermistors, or integrated temperature sensors. By continuously monitoring the motor’s temperature, the control system can adjust the motor’s operation, activate cooling mechanisms, or trigger alarms and shutdowns if the temperature exceeds safe limits.

6. Speed Sensors:

Speed sensors are employed to measure the rotational speed of the motor. They provide feedback on the motor’s speed and enable closed-loop speed control. Speed sensors can be optical or magnetic, relying on the detection of changes in position or magnetic field patterns to determine the motor’s speed.

The specific combination and utilization of these sensors depend on the motor’s design, control system requirements, and application needs. By using these sensors, brushless motors can achieve precise control, accurate position feedback, and efficient operation, making them suitable for a wide range of applications in industries such as automotive, robotics, aerospace, and industrial automation.

brushless motor

What are the key components of a brushless motor, and how do they function together?

A brushless motor consists of several key components that work together to generate motion. Here are the key components of a brushless motor and their functions:

1. Stator:

The stator is the stationary part of the brushless motor. It consists of a core, typically made of laminated iron, and multiple coils or windings. The windings are evenly spaced around the inner circumference of the motor housing. The stator’s function is to generate a rotating magnetic field when electric current passes through the windings.

2. Rotor:

The rotor is the rotating part of the brushless motor. It typically consists of permanent magnets, which are magnetized in a specific pattern. The rotor’s function is to interact with the stator’s magnetic field and convert the electromagnetic energy into mechanical rotation.

3. Hall Effect Sensors:

Hall effect sensors are used to detect the position of the rotor magnets. These sensors are typically mounted on the stator, facing the rotor. They provide feedback to the motor controller about the rotor’s position, allowing the controller to determine the timing and sequence of current flow in the stator windings.

4. Motor Controller:

The motor controller is an electronic device that controls the operation of the brushless motor. It receives signals from the Hall effect sensors and processes them to determine the appropriate timing and sequence of current flow in the stator windings. The motor controller sends electrical pulses to the stator windings to generate the rotating magnetic field and control the motor’s speed and torque.

5. Power Supply:

The power supply provides the electrical energy needed to drive the brushless motor. It can be a battery, DC power source, or an AC power source with an inverter. The power supply feeds the motor controller, which converts the input power into the appropriate signals to drive the stator windings.

6. Commutation Electronics:

Commutation electronics are responsible for switching the currents in the stator windings at the right time and in the right sequence. The commutation electronics, typically integrated into the motor controller, ensure that the appropriate stator windings are energized as the rotor rotates, creating a rotating magnetic field that interacts with the rotor magnets.

7. Bearings:

Bearings are used to support the rotor and allow it to rotate smoothly. They reduce friction and enable efficient transfer of mechanical power. Bearings in brushless motors are typically ball bearings or sleeve bearings, depending on the motor design and application requirements.

These key components of a brushless motor work together to generate motion. The motor controller receives feedback from the Hall effect sensors to determine the rotor position. Based on this information, the controller sends electrical pulses to the stator windings, creating a rotating magnetic field. The interaction between the rotating magnetic field and the permanent magnets on the rotor causes the rotor to rotate. The motor controller continuously adjusts the timing and amplitude of the currents flowing through the stator windings to maintain the rotation and control the motor’s speed and torque.

By integrating these components and utilizing electronic commutation, brushless motors offer advantages such as high efficiency, precise control, low maintenance, and improved performance compared to brushed motors. They find applications in various industries where efficient and reliable motion control is required.

China manufacturer Brushless DC Motor 86bls71-48V-30220b-3 220W 3000rpm 0.7n. M for Barbecue Machine   vacuum pump diyChina manufacturer Brushless DC Motor 86bls71-48V-30220b-3 220W 3000rpm 0.7n. M for Barbecue Machine   vacuum pump diy
editor by CX 2024-04-16