Product Description
TaiBang Motor Industry Group Co., Ltd. Came of ZheJiang Electromotor Industry Co., Ltd. is a professional manufacturer which combined with series gear transmission products of design, manufacture and sale promotion.We have 2 brand CHINAMFG and VTV . It occupied more than 30, 000 square metres, had more than 800 workers and more than 200 sets of advanced equipments, which operated strictly according to ISO9000 Quality management system. It had been approved series certifications of product and system for international and national, consequently, the products had warm welcome at home and overseas.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
We have been dedicating innovation for technology, system, management and craftwork, and according to guideline of high quality, high standard, precision and zero defect. It is our basic principle to provide consumer satisfied products and service by efficient and perfect distribution net and after service.
Our geared motor power range is from 6W-3.7KW(1/125HP to 5HP), the speed ratio is from 1: 3 to 1: 3000, output speed from 0.5rpm-500rpm, 12V,24V,48V,110V-120V, 220V-240V, 380V -415V ,AC and DC motors, all Can be made. Special motors also can be designed and manufactured.
We have CE and UL certification. And we have exported to UK, Germany, Australia, USA, Canada, Korea, Norway etc. And well known for the world.
Welcome to OUR FACTORY for business promotion.
Factory address:NO216,Wei16 road, HangZhou Economic Development zone , HangZhou City, ZHangZhoug, China
| BRAND | NAME | TYPE | PRICE |
| GPG /VTV | AC GEAR MOTOR | 2RK6GN-C/2GN3K | 25$ |
| DRUM MOTOR | AC GEAR MOTOR | DC GEAR MOTOR | PLANETARY GEARBOX |
Welcome your visit and inquiry to our factory!
/* 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(/(.*?):(.*)$/))&&1
| Application: | Industrial |
|---|---|
| Speed: | Constant Speed |
| Number of Stator: | Single-Phase |
| Function: | Control |
| Casing Protection: | Protection Type |
| Number of Poles: | 4 |
| Samples: |
US$ 25/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
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|---|
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.
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.
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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
editor by CX 2024-05-10
China Professional High Torque Long Life 20W 90mm Planetary Brushless AC Motor for Home Electric Machine vacuum pump distributors
Product Description
| MOTOR FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm | ||
| MOTOR TYPE | INDUCTION MOTOR / REVERSIBLE MOTOR / TORQUE MOTOR / SPEED CONTROL MOTOR | ||
| SERIES | K series | ||
| OUTPUT POWER | 3 W / 6W / 10W / 15W / 25W / 40W / 60W / 90W / 120 W / 140W / 180W / 200W (can be customized) | ||
| OUTPUT SHAFT | 8mm / 10mm / 12mm / 15mm ; round shaft, D-cut shaft, key-way shaft (can be customized) | ||
| Voltage type | Single phase 100-120V 50/60Hz 4P | Single phase 200-240V 50/60Hz 4P | |
| Three phase 200-240V 50/60Hz | Three phase 380-415V 50/60Hz 4P | ||
| Three phase 440-480V 60Hz 4P | Three phase 200-240/380-415/440-480V 50/60/60Hz 4P | ||
| Accessories | Terminal box type / with Fan / thermal protector / electromagnetic brake | ||
| Above 60 W, all assembled with fan | |||
| GEARBOX FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm | ||
| GEAR RATIO | 3G-300G | ||
| GEARBOX TYPE | PARALLEL SHAFT GEARBOX AND STRENGTH TYPE | ||
| Right angle hollow worm shaft | Right angle spiral bevel hollow shaft | L type hollow shaft | |
| Right angle CHINAMFG worm shaft | Right angle spiral bevel CHINAMFG shaft | L type CHINAMFG shaft | |
| K2 series air tightness improved type | |||
| Certification | CCC CE ISO9001 CQC | ||
other product
Certifications
Packaging & Shipping
Company Profile
FAQ
Q: How to select a suitable motor or gearbox?
A:If you have motor pictures or drawings to show us, or you have detailed specifications, such as, voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors or gearboxes?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but some kind of molds are necessory to be developped which may need exact cost and design charging.
Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
/* 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(/(.*?):(.*)$/))&&1
| Application: | Machine Tool |
|---|---|
| Speed: | High Speed |
| Number of Stator: | Three-Phase |
| Samples: |
US$ 50/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. |
|---|
What are the advantages of using a brushless AC motor over a brushed motor?
When comparing brushless AC motors to traditional brushed motors, several advantages arise from the brushless AC motor design. Here are the key advantages:
- Higher Efficiency: Brushless AC motors generally have higher efficiency compared to brushed motors. The absence of brushes and commutators reduces energy losses and minimizes friction, resulting in improved overall motor efficiency. This higher efficiency translates into reduced power consumption and lower operating costs.
- Longer Lifespan: Brushless AC motors typically have a longer lifespan compared to brushed motors. The elimination of brushes eliminates the wear and tear associated with brush contact and commutation, leading to less frequent maintenance and longer motor life.
- Reduced Maintenance: Brushed motors require regular maintenance to replace worn-out brushes and address commutator issues. In contrast, brushless AC motors have no brushes to replace or commutators to service, reducing the maintenance requirements and associated downtime.
- Improved Reliability: The absence of brushes in brushless AC motors eliminates common brush-related problems, such as sparking, brush dust accumulation, and brush wear. This results in improved motor reliability, reduced electrical noise, and enhanced overall system performance.
- Precise Control: Brushless AC motors offer precise control over speed, torque, and direction of rotation. Electronic commutation allows for accurate and efficient control of the motor’s performance, making brushless AC motors suitable for applications that require precise motion control and variable speed operation.
- Compact and Lightweight: Brushless AC motors are often more compact and lightweight compared to 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 where space and weight are limited.
- Reduced Electromagnetic Interference: Brushless AC motors generate less electromagnetic interference (EMI) compared to brushed motors. The electronic commutation in brushless AC motors results in smoother operation and reduced electrical noise, making them suitable for applications where EMI needs to be minimized.
- Higher Speeds: Brushless AC motors can typically achieve higher speeds compared to brushed motors. The absence of brushes eliminates the limitations imposed by brush friction and wear, allowing brushless AC motors to operate at higher speeds without compromising motor performance.
Overall, the advantages of using brushless AC motors over brushed motors include higher efficiency, longer lifespan, reduced maintenance, improved reliability, precise control, compact design, reduced EMI, and the ability to attain higher speeds. These advantages make brushless AC motors a preferred choice in many applications, including industrial automation, robotics, electric vehicles, and more.
How does the speed control mechanism work in a brushless AC motor?
In a brushless AC motor, the speed control mechanism relies on precise control of the motor’s electrical power input. By adjusting the frequency and voltage of the AC power supplied to the motor, the speed of the motor can be controlled. Here’s a detailed explanation of how the speed control mechanism works:
1. Electronic Commutation: Brushless AC motors use electronic commutation to control the timing and duration of current flow in the stator windings. The commutation process determines which winding is energized and in what sequence, creating a rotating magnetic field that interacts with the rotor magnets. By controlling the electronic commutation, the speed of the motor can be regulated.
2. Pulse Width Modulation (PWM): Pulse width modulation is commonly used to control the voltage supplied to the motor. In PWM control, the voltage is rapidly switched on and off at a fixed frequency. By varying the width (duration) of the on-time or off-time periods, the effective voltage applied to the motor can be adjusted. This modulation technique allows for precise control of the motor’s speed.
3. Speed Feedback: To maintain the desired speed, brushless AC motor control systems often incorporate speed feedback mechanisms. These mechanisms typically use encoders, tachometers, or other speed sensors to measure the actual speed of the motor. The feedback signal is compared to the desired speed setpoint, and the control system adjusts the power supplied to the motor accordingly to maintain the desired speed.
4. Control Algorithms: Control algorithms are used to process the speed feedback signal and generate control signals for the motor. These algorithms can be implemented in dedicated motor control chips or in software running on microcontrollers. The control algorithms take into account the speed error (difference between the desired speed and actual speed) and adjust the power input to the motor to minimize the error and maintain a stable speed.
5. Variable Frequency Drive (VFD): In many applications, brushless AC motors are driven by variable frequency drives (VFDs). VFDs convert the incoming AC power into DC power and then generate AC power with variable frequency and voltage. By adjusting the frequency and voltage output of the VFD, the speed of the motor can be controlled. VFDs often incorporate advanced control algorithms and feedback mechanisms to achieve precise speed control.
6. Load and Torque Considerations: It’s important to consider the load and torque requirements when controlling the speed of a brushless AC motor. The control system should be designed to handle changes in load and adjust the power input accordingly to maintain the desired speed. Additionally, some control systems may incorporate torque control mechanisms to regulate the motor’s torque output along with speed control.
By utilizing electronic commutation, pulse width modulation, speed feedback, control algorithms, and variable frequency drives, brushless AC motors can achieve accurate and dynamic speed control. This speed control mechanism allows the motor to adapt to different operating conditions and meet the specific speed requirements of various applications.
How do brushless AC motors contribute to the efficiency of HVAC systems?
Brushless AC motors play a significant role in improving the efficiency of HVAC (heating, ventilation, and air conditioning) systems. These motors offer several advantages over traditional motor technologies, such as brushed motors or older induction motors. Here’s a detailed explanation of how brushless AC motors contribute to the efficiency of HVAC systems:
- Higher Energy Efficiency: Brushless AC motors are known for their higher energy efficiency compared to brushed motors or older motor technologies. They achieve this efficiency through various mechanisms:
- Reduced Energy Losses: Brushless AC motors eliminate the need for brushes and commutators, which are sources of friction, wear, and electrical losses in brushed motors. By eliminating these components, brushless AC motors reduce energy losses and improve overall efficiency.
- Better Motor Control: Brushless AC motors utilize advanced control techniques, such as sensor feedback and precise voltage and frequency control, to optimize motor performance. This control allows for smoother operation, improved speed regulation, and reduced energy consumption.
- Variable Speed Operation: Brushless AC motors can operate at variable speeds, allowing them to adjust their power output to match the required load. By running the motor at the most efficient speed for a given operating condition, energy consumption is minimized, resulting in higher overall system efficiency.
- Improved System Performance: The efficiency of an HVAC system is not solely dependent on the motor itself but also on how the motor interacts with the rest of the system. Brushless AC motors contribute to improved system performance in the following ways:
- Enhanced Control and Integration: Brushless AC motors can be easily integrated into advanced control systems, allowing for precise regulation of motor speed, airflow, and temperature. This integration enables more efficient operation of the entire HVAC system, optimizing energy usage and improving comfort.
- Variable Air Volume (VAV) Systems: Brushless AC motors are well-suited for VAV systems commonly used in HVAC applications. VAV systems adjust the airflow based on the cooling or heating demands of different zones. Brushless AC motors can modulate their speed and power output to match the varying airflow requirements, resulting in energy savings and improved comfort.
- Improved Fan Efficiency: HVAC systems often rely on fans to circulate air. Brushless AC motors, with their higher energy efficiency and precise speed control, can drive fans more efficiently, reducing the energy consumed by the fan and improving overall system efficiency.
- Longer Lifespan and Durability: Brushless AC motors are generally more reliable and durable compared to brushed motors. They have fewer moving parts, eliminating the wear and tear associated with brushes and commutators. This increased durability reduces maintenance needs and extends the lifespan of the motor, contributing to long-term efficiency gains in HVAC systems.
- Reduced Noise and Vibration: Brushless AC motors operate with reduced noise and vibration levels compared to some other motor types. This characteristic enhances the overall comfort of HVAC systems and reduces the need for additional soundproofing measures, contributing to a more efficient and pleasant environment.
The use of brushless AC motors in HVAC systems offers substantial benefits in terms of energy efficiency, system performance, durability, and comfort. Integrating these motors into HVAC designs can lead to significant energy savings, reduced operating costs, and improved environmental sustainability.
editor by CX 2024-05-09
China Hot selling High Torque Long Life 20W 90mm Planetary Brushless AC Motor for Home Electric Machine vacuum pump belt
Product Description
| MOTOR FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm | ||
| MOTOR TYPE | INDUCTION MOTOR / REVERSIBLE MOTOR / TORQUE MOTOR / SPEED CONTROL MOTOR | ||
| SERIES | K series | ||
| OUTPUT POWER | 3 W / 6W / 10W / 15W / 25W / 40W / 60W / 90W / 120 W / 140W / 180W / 200W (can be customized) | ||
| OUTPUT SHAFT | 8mm / 10mm / 12mm / 15mm ; round shaft, D-cut shaft, key-way shaft (can be customized) | ||
| Voltage type | Single phase 100-120V 50/60Hz 4P | Single phase 200-240V 50/60Hz 4P | |
| Three phase 200-240V 50/60Hz | Three phase 380-415V 50/60Hz 4P | ||
| Three phase 440-480V 60Hz 4P | Three phase 200-240/380-415/440-480V 50/60/60Hz 4P | ||
| Accessories | Terminal box type / with Fan / thermal protector / electromagnetic brake | ||
| Above 60 W, all assembled with fan | |||
| GEARBOX FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm | ||
| GEAR RATIO | 3G-300G | ||
| GEARBOX TYPE | PARALLEL SHAFT GEARBOX AND STRENGTH TYPE | ||
| Right angle hollow worm shaft | Right angle spiral bevel hollow shaft | L type hollow shaft | |
| Right angle CHINAMFG worm shaft | Right angle spiral bevel CHINAMFG shaft | L type CHINAMFG shaft | |
| K2 series air tightness improved type | |||
| Certification | CCC CE ISO9001 CQC | ||
other product
Certifications
Packaging & Shipping
Company Profile
FAQ
Q: How to select a suitable motor or gearbox?
A:If you have motor pictures or drawings to show us, or you have detailed specifications, such as, voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors or gearboxes?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but some kind of molds are necessory to be developped which may need exact cost and design charging.
Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
/* 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(/(.*?):(.*)$/))&&1
| Application: | Machine Tool |
|---|---|
| Speed: | High Speed |
| Number of Stator: | Three-Phase |
| Samples: |
US$ 50/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. |
|---|
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:
- 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.
- 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.
- 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.
- 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.
- 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.
How does the speed control mechanism work in a brushless AC motor?
In a brushless AC motor, the speed control mechanism relies on precise control of the motor’s electrical power input. By adjusting the frequency and voltage of the AC power supplied to the motor, the speed of the motor can be controlled. Here’s a detailed explanation of how the speed control mechanism works:
1. Electronic Commutation: Brushless AC motors use electronic commutation to control the timing and duration of current flow in the stator windings. The commutation process determines which winding is energized and in what sequence, creating a rotating magnetic field that interacts with the rotor magnets. By controlling the electronic commutation, the speed of the motor can be regulated.
2. Pulse Width Modulation (PWM): Pulse width modulation is commonly used to control the voltage supplied to the motor. In PWM control, the voltage is rapidly switched on and off at a fixed frequency. By varying the width (duration) of the on-time or off-time periods, the effective voltage applied to the motor can be adjusted. This modulation technique allows for precise control of the motor’s speed.
3. Speed Feedback: To maintain the desired speed, brushless AC motor control systems often incorporate speed feedback mechanisms. These mechanisms typically use encoders, tachometers, or other speed sensors to measure the actual speed of the motor. The feedback signal is compared to the desired speed setpoint, and the control system adjusts the power supplied to the motor accordingly to maintain the desired speed.
4. Control Algorithms: Control algorithms are used to process the speed feedback signal and generate control signals for the motor. These algorithms can be implemented in dedicated motor control chips or in software running on microcontrollers. The control algorithms take into account the speed error (difference between the desired speed and actual speed) and adjust the power input to the motor to minimize the error and maintain a stable speed.
5. Variable Frequency Drive (VFD): In many applications, brushless AC motors are driven by variable frequency drives (VFDs). VFDs convert the incoming AC power into DC power and then generate AC power with variable frequency and voltage. By adjusting the frequency and voltage output of the VFD, the speed of the motor can be controlled. VFDs often incorporate advanced control algorithms and feedback mechanisms to achieve precise speed control.
6. Load and Torque Considerations: It’s important to consider the load and torque requirements when controlling the speed of a brushless AC motor. The control system should be designed to handle changes in load and adjust the power input accordingly to maintain the desired speed. Additionally, some control systems may incorporate torque control mechanisms to regulate the motor’s torque output along with speed control.
By utilizing electronic commutation, pulse width modulation, speed feedback, control algorithms, and variable frequency drives, brushless AC motors can achieve accurate and dynamic speed control. This speed control mechanism allows the motor to adapt to different operating conditions and meet the specific speed requirements of various applications.
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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
editor by CX 2024-05-09
China Professional Spiral Bevel Angel AC Gear Motor with High Power Electric Washing Machine Brushless vacuum pump brakes
Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Motor Model Instruction
5RK40GN-CM
| 5 | R | K | 40 | R | GN | C | M |
| Frame Size | Type | Motor series | Power | Speed Control Motor |
Shaft Type | Voltage | Accessory |
| 2:60mm
3:70mm 4:80mm 5:90mm 6:104mm |
I:Induction
R:Reversible T:Torque |
K series | 6W
15W 25W 40W 60W 90W 120W 140W 180W 200W |
A:Round Shaft
GN:Bevel Gear Shaft GU:Bevel Gear Shaft |
A:Single Phase 110V
C:Single Phase 220V S:3-Phase 220V S3:3-Phase 380V S4:3-Phase 440V |
T/P:Thermally Protected
F:Fan M:Electro-magnetic |
Gear Head Model Instruction
5GN-100K
| 5 | GN | 100 | K | |
| Frame Size | Shaft Type | Gear Reduction Ratio | Bearing Type | Other information |
| 2:60mm
3:70mm 4:80mm 5:90mm 6:104mm |
GN:Bevel Gear Shaft (60#,70#,80#,90# reduction gear head) GU:Bevel Gear Shaft GM:Intermediate Gear Head GS:Gearhead with ears |
1:100 | K:Standard Rolling Bearing
RT:Right Angle With Axile RC:Right Angle With Hollow Shaft |
Sch as shaft diameter,shaft length,etc. |
Specification of motor 40W 90mm Fixed speed AC gear motor
| Type | Gear Tooth Output Shaft | Power (W) |
Frequency (Hz) |
Voltage (V) |
Current (A) |
Start Torque (g.cm) |
Rated | Gearbox Type | ||
| Torque (g.cm) |
Speed (rpm) |
Bearing Gearbox | Middle Gearbox | |||||||
| Reversible Motor | 5RK40GN-C | 40 | 50 | 220 | 0.45 | 3000 | 3000 | 1300 | 5GN/GU-K | 5GN10X |
| 40 | 60 | 220 | 0.41 | 2500 | 2515 | 1550 | 5GN/GU-K | 5GN10X | ||
Gear Head Torque Table(Kg.cm) (kg.cm×9.8÷100)=N.m
| Output Speed :RPM | 500 | 300 | 200 | 150 | 120 | 100 | 75 | 60 | 50 | 30 | 20 | 15 | 10 | 7.5 | 6 | 5 | 3 | ||
| Speed Ratio | 50Hz | 3 | 5 | 7.5 | 10 | 12.5 | 15 | 20 | 25 | 30 | 50 | 75 | 100 | 150 | 200 | 250 | 300 | 500 | |
| 60Hz | 3.6 | 6 | 9 | 15 | 18 | 30 | 36 | 60 | 90 | 120 | 180 | 300 | 360 | 600 | |||||
| Allowed Torque |
40W | kg.cm | 6.7 | 11 | 16 | 21.3 | 28 | 33 | 42 | 54 | 65 | 108 | 150 | 150 | 150 | 150 | 150 | 150 | 150 |
| 60W | kg.cm | 10 | 16 | 24 | 32 | 40 | 48 | 64 | 77 | 93 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | |
| 90W | kg.cm | 14 | 23 | 35 | 46 | 58 | 69 | 92 | 110 | 133 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | |
| 120W | kg.cm | 19 | 30.7 | 46 | 61 | 77 | 92 | 123 | 147 | 177 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | |
| Note: Speed figures are based on synchronous speed, The actual output speed, under rated torque conditions, is about 10-20% less than synchronous speed, a grey background indicates output shaft of geared motor rotates in the same direction as output shaft of motor. A white background indicates rotates rotation in the opposite direction. | |||||||||||||||||||
Drawing:5RK40GN-C/5GN3~20K(Short gearbox shell 43mm)
Drawing:5RK40GN-C/5GN25~180K(Short gearbox shell 61mm)
Above drawing is for standard screw hole.If need through hole, terminal box, or electronic magnet brake, need to tell the seller.
Connection Diagram:
/* 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(/(.*?):(.*)$/))&&1
| Application: | Industrial |
|---|---|
| Speed: | Constant Speed |
| Number of Stator: | Single-Phase |
| Function: | Driving, Control |
| Casing Protection: | Closed Type |
| Number of Poles: | 4 |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
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:
- 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.
- 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.
- 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.
- 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.
- 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.
Are there different configurations or types of brushless AC motors available?
Yes, there are different configurations and types of brushless AC motors available, each designed for specific applications and operating requirements. Here’s a detailed explanation of some common configurations and types of brushless AC motors:
1. Outrunner Motors: Outrunner motors, also known as external rotor motors, have a stationary core with windings and a rotating outer shell that houses the magnets. In this configuration, the rotor surrounds the stator. Outrunner motors are known for their high torque output, making them suitable for applications that require high starting torque and low-speed operation, such as robotics, electric vehicles, and industrial machinery.
2. Inrunner Motors: Inrunner motors have a stationary outer shell with windings and a rotating inner core that contains the magnets. Unlike outrunner motors, the stator surrounds the rotor in this configuration. Inrunner motors are typically smaller and lighter than outrunner motors and are commonly used in applications that require high RPMs and compact size, such as drones, model aircraft, and small appliances.
3. Slotless Motors: Slotless motors feature a core without any iron slots, resulting in a smooth cylindrical shape. These motors offer several advantages, including reduced cogging (torque ripple), higher efficiency, and lower inductance. Slotless motors are commonly used in applications that require precise control and smooth operation, such as robotics, medical devices, and precision equipment.
4. Inner Rotor/Outer Stator Motors: In this configuration, the rotor is located inside the stator, and the stator surrounds the rotor. This design allows for easy heat dissipation and efficient cooling, making these motors suitable for high-power applications that require good thermal management, such as industrial machinery, electric vehicles, and HVAC systems.
5. Direct Drive Motors: Direct drive motors, also known as torque motors, eliminate the need for mechanical transmission components, such as gears or belts, by directly coupling the load to the motor. This configuration provides high torque, improved efficiency, and reduced maintenance. Direct drive motors are commonly used in applications that require precise motion control, such as CNC machines, robotics, and semiconductor manufacturing equipment.
6. Modular Motors: Modular brushless AC motors consist of separate rotor and stator modules that can be easily assembled or disassembled. This modular design offers flexibility in terms of motor size, power output, and customization options. Modular motors find applications in various industries, including automotive, aerospace, and industrial automation.
These are just a few examples of the different configurations and types of brushless AC motors available. Each configuration has its own advantages and is suitable for specific applications based on factors such as torque requirements, speed range, size constraints, efficiency, and control precision. The choice of motor configuration depends on the specific needs of the application and the desired performance characteristics.
Where can individuals find reliable information on selecting and installing brushless AC motors?
When it comes to selecting and installing brushless AC motors, individuals can find reliable information from various sources. Here are some recommended sources for obtaining accurate and valuable information on this topic:
- Manufacturer’s Documentation: The documentation provided by motor manufacturers is a valuable resource for understanding the specifications, features, and application guidelines for specific brushless AC motors. Manufacturers often provide datasheets, technical manuals, and installation guides that offer detailed information on motor selection, installation requirements, and best practices.
- Engineering and Motor Associations: Engineering associations and motor-specific organizations often provide resources and guidelines related to motor selection and installation. These associations may offer publications, technical papers, and online resources that cover various aspects of motor technology, including brushless AC motors. Examples of such organizations include the Institute of Electrical and Electronics Engineers (IEEE) and the National Electrical Manufacturers Association (NEMA).
- Online Motor Portals and Databases: There are online portals and databases that specialize in providing information and resources related to electric motors. These platforms may include comprehensive motor catalogs, technical articles, motor selection tools, and user forums where individuals can ask questions and seek advice from experts in the field. Examples of such platforms include Engineering360, GlobalSpec, and the Motor Systems Tool Kit.
- Industry Publications and Technical Journals: Industry publications and technical journals focusing on electrical engineering, motor technology, or specific industries that extensively use brushless AC motors can be excellent sources of information. These publications often feature articles, case studies, and expert insights on motor selection, installation techniques, and application-specific considerations.
- Consulting with Motor Experts: Seeking guidance from motor experts, such as electrical engineers or motor consultants, can provide personalized advice and recommendations based on specific requirements. These professionals have in-depth knowledge and experience in motor selection and installation and can assist in evaluating the application needs, considering factors such as power requirements, environmental conditions, and system integration.
It’s important to verify the credibility and reliability of the information obtained from these sources. Checking the reputation and expertise of the source, referring to multiple reliable sources, and considering up-to-date information are essential for making informed decisions regarding the selection and installation of brushless AC motors.
Ultimately, a combination of thorough research, consultation with experts, and careful consideration of the specific application requirements will help individuals find reliable information and make well-informed decisions when it comes to selecting and installing brushless AC motors.
editor by CX 2024-05-07
China high quality 80mm 25W Pellet Burner AC Gear Motor with High Power Electric Washing Machine Brushless vacuum pump design
Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Motor Model Instruction
5RK40GN-CM
| 5 | R | K | 40 | R | GN | C | M |
| Frame Size | Type | Motor series | Power | Speed Control Motor |
Shaft Type | Voltage | Accessory |
| 2:60mm
3:70mm 4:80mm 5:90mm 6:104mm |
I:Induction
R:Reversible T:Torque |
K series | 6W
15W 25W 40W 60W 90W 120W 140W 180W 200W |
A:Round Shaft
GN:Bevel Gear Shaft GU:Bevel Gear Shaft |
A:Single Phase 110V
C:Single Phase 220V S:3-Phase 220V S3:3-Phase 380V S4:3-Phase 440V |
T/P:Thermally Protected
F:Fan M:Electro-magnetic |
Gear Head Model Instruction
5GN-100K
| 5 | GN | 100 | K | |
| Frame Size | Shaft Type | Gear Reduction Ratio | Bearing Type | Other information |
| 2:60mm
3:70mm 4:80mm 5:90mm 6:104mm |
GN:Bevel Gear Shaft (60#,70#,80#,90# reduction gear head) GU:Bevel Gear Shaft GM:Intermediate Gear Head GS:Gearhead with ears |
1:100 | K:Standard Rolling Bearing
RT:Right Angle With Axile RC:Right Angle With Hollow Shaft |
Sch as shaft diameter,shaft length,etc. |
Specification of motor 40W 90mm Fixed speed AC gear motor
| Type | Gear Tooth Output Shaft | Power (W) |
Frequency (Hz) |
Voltage (V) |
Current (A) |
Start Torque (g.cm) |
Rated | Gearbox Type | ||
| Torque (g.cm) |
Speed (rpm) |
Bearing Gearbox | Middle Gearbox | |||||||
| Reversible Motor | 5RK40GN-C | 40 | 50 | 220 | 0.45 | 3000 | 3000 | 1300 | 5GN/GU-K | 5GN10X |
| 40 | 60 | 220 | 0.41 | 2500 | 2515 | 1550 | 5GN/GU-K | 5GN10X | ||
Gear Head Torque Table(Kg.cm) (kg.cm×9.8÷100)=N.m
| Output Speed :RPM | 500 | 300 | 200 | 150 | 120 | 100 | 75 | 60 | 50 | 30 | 20 | 15 | 10 | 7.5 | 6 | 5 | 3 | ||
| Speed Ratio | 50Hz | 3 | 5 | 7.5 | 10 | 12.5 | 15 | 20 | 25 | 30 | 50 | 75 | 100 | 150 | 200 | 250 | 300 | 500 | |
| 60Hz | 3.6 | 6 | 9 | 15 | 18 | 30 | 36 | 60 | 90 | 120 | 180 | 300 | 360 | 600 | |||||
| Allowed Torque |
40W | kg.cm | 6.7 | 11 | 16 | 21.3 | 28 | 33 | 42 | 54 | 65 | 108 | 150 | 150 | 150 | 150 | 150 | 150 | 150 |
| 60W | kg.cm | 10 | 16 | 24 | 32 | 40 | 48 | 64 | 77 | 93 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | |
| 90W | kg.cm | 14 | 23 | 35 | 46 | 58 | 69 | 92 | 110 | 133 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | |
| 120W | kg.cm | 19 | 30.7 | 46 | 61 | 77 | 92 | 123 | 147 | 177 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | |
| Note: Speed figures are based on synchronous speed, The actual output speed, under rated torque conditions, is about 10-20% less than synchronous speed, a grey background indicates output shaft of geared motor rotates in the same direction as output shaft of motor. A white background indicates rotates rotation in the opposite direction. | |||||||||||||||||||
Drawing:5RK40GN-C/5GN3~20K(Short gearbox shell 43mm)
Drawing:5RK40GN-C/5GN25~180K(Short gearbox shell 61mm)
Above drawing is for standard screw hole.If need through hole, terminal box, or electronic magnet brake, need to tell the seller.
Connection Diagram:
/* 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(/(.*?):(.*)$/))&&1
| Application: | Industrial |
|---|---|
| Speed: | Constant Speed |
| Number of Stator: | Single-Phase |
| Function: | Driving, Control |
| Casing Protection: | Closed Type |
| Number of Poles: | 4 |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
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.
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.
Where can individuals find reliable information on selecting and installing brushless AC motors?
When it comes to selecting and installing brushless AC motors, individuals can find reliable information from various sources. Here are some recommended sources for obtaining accurate and valuable information on this topic:
- Manufacturer’s Documentation: The documentation provided by motor manufacturers is a valuable resource for understanding the specifications, features, and application guidelines for specific brushless AC motors. Manufacturers often provide datasheets, technical manuals, and installation guides that offer detailed information on motor selection, installation requirements, and best practices.
- Engineering and Motor Associations: Engineering associations and motor-specific organizations often provide resources and guidelines related to motor selection and installation. These associations may offer publications, technical papers, and online resources that cover various aspects of motor technology, including brushless AC motors. Examples of such organizations include the Institute of Electrical and Electronics Engineers (IEEE) and the National Electrical Manufacturers Association (NEMA).
- Online Motor Portals and Databases: There are online portals and databases that specialize in providing information and resources related to electric motors. These platforms may include comprehensive motor catalogs, technical articles, motor selection tools, and user forums where individuals can ask questions and seek advice from experts in the field. Examples of such platforms include Engineering360, GlobalSpec, and the Motor Systems Tool Kit.
- Industry Publications and Technical Journals: Industry publications and technical journals focusing on electrical engineering, motor technology, or specific industries that extensively use brushless AC motors can be excellent sources of information. These publications often feature articles, case studies, and expert insights on motor selection, installation techniques, and application-specific considerations.
- Consulting with Motor Experts: Seeking guidance from motor experts, such as electrical engineers or motor consultants, can provide personalized advice and recommendations based on specific requirements. These professionals have in-depth knowledge and experience in motor selection and installation and can assist in evaluating the application needs, considering factors such as power requirements, environmental conditions, and system integration.
It’s important to verify the credibility and reliability of the information obtained from these sources. Checking the reputation and expertise of the source, referring to multiple reliable sources, and considering up-to-date information are essential for making informed decisions regarding the selection and installation of brushless AC motors.
Ultimately, a combination of thorough research, consultation with experts, and careful consideration of the specific application requirements will help individuals find reliable information and make well-informed decisions when it comes to selecting and installing brushless AC motors.
editor by CX 2024-04-25
China OEM Spiral Bevel Angel AC Gear Motor with High Power Electric Washing Machine Brushless vacuum pump adapter
Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Motor Model Instruction
5RK40GN-CM
| 5 | R | K | 40 | R | GN | C | M |
| Frame Size | Type | Motor series | Power | Speed Control Motor |
Shaft Type | Voltage | Accessory |
| 2:60mm
3:70mm 4:80mm 5:90mm 6:104mm |
I:Induction
R:Reversible T:Torque |
K series | 6W
15W 25W 40W 60W 90W 120W 140W 180W 200W |
A:Round Shaft
GN:Bevel Gear Shaft GU:Bevel Gear Shaft |
A:Single Phase 110V
C:Single Phase 220V S:3-Phase 220V S3:3-Phase 380V S4:3-Phase 440V |
T/P:Thermally Protected
F:Fan M:Electro-magnetic |
Gear Head Model Instruction
5GN-100K
| 5 | GN | 100 | K | |
| Frame Size | Shaft Type | Gear Reduction Ratio | Bearing Type | Other information |
| 2:60mm
3:70mm 4:80mm 5:90mm 6:104mm |
GN:Bevel Gear Shaft (60#,70#,80#,90# reduction gear head) GU:Bevel Gear Shaft GM:Intermediate Gear Head GS:Gearhead with ears |
1:100 | K:Standard Rolling Bearing
RT:Right Angle With Axile RC:Right Angle With Hollow Shaft |
Sch as shaft diameter,shaft length,etc. |
Specification of motor 40W 90mm Fixed speed AC gear motor
| Type | Gear Tooth Output Shaft | Power (W) |
Frequency (Hz) |
Voltage (V) |
Current (A) |
Start Torque (g.cm) |
Rated | Gearbox Type | ||
| Torque (g.cm) |
Speed (rpm) |
Bearing Gearbox | Middle Gearbox | |||||||
| Reversible Motor | 5RK40GN-C | 40 | 50 | 220 | 0.45 | 3000 | 3000 | 1300 | 5GN/GU-K | 5GN10X |
| 40 | 60 | 220 | 0.41 | 2500 | 2515 | 1550 | 5GN/GU-K | 5GN10X | ||
Gear Head Torque Table(Kg.cm) (kg.cm×9.8÷100)=N.m
| Output Speed :RPM | 500 | 300 | 200 | 150 | 120 | 100 | 75 | 60 | 50 | 30 | 20 | 15 | 10 | 7.5 | 6 | 5 | 3 | ||
| Speed Ratio | 50Hz | 3 | 5 | 7.5 | 10 | 12.5 | 15 | 20 | 25 | 30 | 50 | 75 | 100 | 150 | 200 | 250 | 300 | 500 | |
| 60Hz | 3.6 | 6 | 9 | 15 | 18 | 30 | 36 | 60 | 90 | 120 | 180 | 300 | 360 | 600 | |||||
| Allowed Torque |
40W | kg.cm | 6.7 | 11 | 16 | 21.3 | 28 | 33 | 42 | 54 | 65 | 108 | 150 | 150 | 150 | 150 | 150 | 150 | 150 |
| 60W | kg.cm | 10 | 16 | 24 | 32 | 40 | 48 | 64 | 77 | 93 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | |
| 90W | kg.cm | 14 | 23 | 35 | 46 | 58 | 69 | 92 | 110 | 133 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | |
| 120W | kg.cm | 19 | 30.7 | 46 | 61 | 77 | 92 | 123 | 147 | 177 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | |
| Note: Speed figures are based on synchronous speed, The actual output speed, under rated torque conditions, is about 10-20% less than synchronous speed, a grey background indicates output shaft of geared motor rotates in the same direction as output shaft of motor. A white background indicates rotates rotation in the opposite direction. | |||||||||||||||||||
Drawing:5RK40GN-C/5GN3~20K(Short gearbox shell 43mm)
Drawing:5RK40GN-C/5GN25~180K(Short gearbox shell 61mm)
Above drawing is for standard screw hole.If need through hole, terminal box, or electronic magnet brake, need to tell the seller.
Connection Diagram:
/* 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(/(.*?):(.*)$/))&&1
| Application: | Industrial |
|---|---|
| Speed: | Constant Speed |
| Number of Stator: | Single-Phase |
| Function: | Driving, Control |
| Casing Protection: | Closed Type |
| Number of Poles: | 4 |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
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.
How does the speed control mechanism work in a brushless AC motor?
In a brushless AC motor, the speed control mechanism relies on precise control of the motor’s electrical power input. By adjusting the frequency and voltage of the AC power supplied to the motor, the speed of the motor can be controlled. Here’s a detailed explanation of how the speed control mechanism works:
1. Electronic Commutation: Brushless AC motors use electronic commutation to control the timing and duration of current flow in the stator windings. The commutation process determines which winding is energized and in what sequence, creating a rotating magnetic field that interacts with the rotor magnets. By controlling the electronic commutation, the speed of the motor can be regulated.
2. Pulse Width Modulation (PWM): Pulse width modulation is commonly used to control the voltage supplied to the motor. In PWM control, the voltage is rapidly switched on and off at a fixed frequency. By varying the width (duration) of the on-time or off-time periods, the effective voltage applied to the motor can be adjusted. This modulation technique allows for precise control of the motor’s speed.
3. Speed Feedback: To maintain the desired speed, brushless AC motor control systems often incorporate speed feedback mechanisms. These mechanisms typically use encoders, tachometers, or other speed sensors to measure the actual speed of the motor. The feedback signal is compared to the desired speed setpoint, and the control system adjusts the power supplied to the motor accordingly to maintain the desired speed.
4. Control Algorithms: Control algorithms are used to process the speed feedback signal and generate control signals for the motor. These algorithms can be implemented in dedicated motor control chips or in software running on microcontrollers. The control algorithms take into account the speed error (difference between the desired speed and actual speed) and adjust the power input to the motor to minimize the error and maintain a stable speed.
5. Variable Frequency Drive (VFD): In many applications, brushless AC motors are driven by variable frequency drives (VFDs). VFDs convert the incoming AC power into DC power and then generate AC power with variable frequency and voltage. By adjusting the frequency and voltage output of the VFD, the speed of the motor can be controlled. VFDs often incorporate advanced control algorithms and feedback mechanisms to achieve precise speed control.
6. Load and Torque Considerations: It’s important to consider the load and torque requirements when controlling the speed of a brushless AC motor. The control system should be designed to handle changes in load and adjust the power input accordingly to maintain the desired speed. Additionally, some control systems may incorporate torque control mechanisms to regulate the motor’s torque output along with speed control.
By utilizing electronic commutation, pulse width modulation, speed feedback, control algorithms, and variable frequency drives, brushless AC motors can achieve accurate and dynamic speed control. This speed control mechanism allows the motor to adapt to different operating conditions and meet the specific speed requirements of various applications.
Where can individuals find reliable information on selecting and installing brushless AC motors?
When it comes to selecting and installing brushless AC motors, individuals can find reliable information from various sources. Here are some recommended sources for obtaining accurate and valuable information on this topic:
- Manufacturer’s Documentation: The documentation provided by motor manufacturers is a valuable resource for understanding the specifications, features, and application guidelines for specific brushless AC motors. Manufacturers often provide datasheets, technical manuals, and installation guides that offer detailed information on motor selection, installation requirements, and best practices.
- Engineering and Motor Associations: Engineering associations and motor-specific organizations often provide resources and guidelines related to motor selection and installation. These associations may offer publications, technical papers, and online resources that cover various aspects of motor technology, including brushless AC motors. Examples of such organizations include the Institute of Electrical and Electronics Engineers (IEEE) and the National Electrical Manufacturers Association (NEMA).
- Online Motor Portals and Databases: There are online portals and databases that specialize in providing information and resources related to electric motors. These platforms may include comprehensive motor catalogs, technical articles, motor selection tools, and user forums where individuals can ask questions and seek advice from experts in the field. Examples of such platforms include Engineering360, GlobalSpec, and the Motor Systems Tool Kit.
- Industry Publications and Technical Journals: Industry publications and technical journals focusing on electrical engineering, motor technology, or specific industries that extensively use brushless AC motors can be excellent sources of information. These publications often feature articles, case studies, and expert insights on motor selection, installation techniques, and application-specific considerations.
- Consulting with Motor Experts: Seeking guidance from motor experts, such as electrical engineers or motor consultants, can provide personalized advice and recommendations based on specific requirements. These professionals have in-depth knowledge and experience in motor selection and installation and can assist in evaluating the application needs, considering factors such as power requirements, environmental conditions, and system integration.
It’s important to verify the credibility and reliability of the information obtained from these sources. Checking the reputation and expertise of the source, referring to multiple reliable sources, and considering up-to-date information are essential for making informed decisions regarding the selection and installation of brushless AC motors.
Ultimately, a combination of thorough research, consultation with experts, and careful consideration of the specific application requirements will help individuals find reliable information and make well-informed decisions when it comes to selecting and installing brushless AC motors.
editor by CX 2024-04-23
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
|
|
|---|
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.
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.
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.
editor by CX 2024-04-16
China wholesaler Electrical Brushless Motor for Deduster/Feed Drives/CNC Machine Tools vacuum pump ac system
Product Description
Factory 3-01
Our company FAQ for you
(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,Hair Dryer Motor Blender Motor Mixer Motor,
Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor etc.
(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.
(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we’d love to provide samples.
(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it’s also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement. But the less the better (like no more than 5pcs) on condition that the quantity is enough in case any changes needed after initial testing.
ABOUT US
CHINAMFG group was set up in 2006.we always focus on micro-motors for household electrical appliance and industry appliance since setting up.currently we have 2 professional micro-motor factories in China which severally located in HangZhou city and HangZhou city.it has an area of 25,000 square CHINAMFG plants and more than 300 employees, annual output is 3 million pcs and has 5 million pcs annual producing capacity.after several years development,we had built a great reputation in the market and got more and more customers’ trust in the world.
We started from shaded pole motors at beginning, up to now,our product included of shaded pole motors,synchronous motors,stepping motors ,capacitor motors, BLDC motors, DC motors and compressors. Our product are widely used for making refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage machines and many other equipments.
As a realiable quality guaranty,Ritscher has complete R&D departement,QC department,producing department,purchase department etc. has perfect producing equipment like Aluminum diecasting, Zinc diecasting, Sheet metal stamping, Plastic injection molding etc. also test/ detection device like multiplex temp measuring device, performance parameter inspection device, Phenol peptide solution pinhole tester,Anechoic room etc.
Endeavoring to provide the best product and service to customers,we always do the most effort to become an outstanding manufacturer of micro motors.
CHINAMFG is always willing to establish sincere business relationship with friends from all over the world.
Welcome contact with us!
Take CHINAMFG ,enjoy modern life! /* 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(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools |
|---|---|
| Operating Speed: | Constant Speed |
| Excitation Mode: | Excited |
| Function: | Driving |
| Casing Protection: | Protection Type |
| Number of Poles: | 8 |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
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|---|
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.
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.
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.
editor by CX 2024-04-16
China high quality High Torque Long Life 20W 90mm Planetary Brushless AC Motor for Home Electric Machine vacuum pump brakes
Product Description
| MOTOR FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm | ||
| MOTOR TYPE | INDUCTION MOTOR / REVERSIBLE MOTOR / TORQUE MOTOR / SPEED CONTROL MOTOR | ||
| SERIES | K series | ||
| OUTPUT POWER | 3 W / 6W / 10W / 15W / 25W / 40W / 60W / 90W / 120 W / 140W / 180W / 200W (can be customized) | ||
| OUTPUT SHAFT | 8mm / 10mm / 12mm / 15mm ; round shaft, D-cut shaft, key-way shaft (can be customized) | ||
| Voltage type | Single phase 100-120V 50/60Hz 4P | Single phase 200-240V 50/60Hz 4P | |
| Three phase 200-240V 50/60Hz | Three phase 380-415V 50/60Hz 4P | ||
| Three phase 440-480V 60Hz 4P | Three phase 200-240/380-415/440-480V 50/60/60Hz 4P | ||
| Accessories | Terminal box type / with Fan / thermal protector / electromagnetic brake | ||
| Above 60 W, all assembled with fan | |||
| GEARBOX FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm | ||
| GEAR RATIO | 3G-300G | ||
| GEARBOX TYPE | PARALLEL SHAFT GEARBOX AND STRENGTH TYPE | ||
| Right angle hollow worm shaft | Right angle spiral bevel hollow shaft | L type hollow shaft | |
| Right angle CHINAMFG worm shaft | Right angle spiral bevel CHINAMFG shaft | L type CHINAMFG shaft | |
| K2 series air tightness improved type | |||
| Certification | CCC CE ISO9001 CQC | ||
other product
Certifications
Packaging & Shipping
Company Profile
FAQ
Q: How to select a suitable motor or gearbox?
A:If you have motor pictures or drawings to show us, or you have detailed specifications, such as, voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors or gearboxes?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but some kind of molds are necessory to be developped which may need exact cost and design charging.
Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
/* 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(/(.*?):(.*)$/))&&1
| Application: | Machine Tool |
|---|---|
| Speed: | High Speed |
| Number of Stator: | Three-Phase |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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.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. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What is the role of electronic commutation in brushless AC motors?
Electronic commutation plays a crucial role in the operation of brushless AC motors. It enables precise control over the motor’s performance, including speed, torque, and direction of rotation. Here’s a detailed explanation of the role of electronic commutation:
In a brushless AC motor, the rotor consists of permanent magnets or electromagnets, while the stator contains multiple coils of wire known as windings. The stator windings are energized with alternating current (AC) to create a rotating magnetic field. However, for the motor to rotate smoothly and maintain synchronization with the rotating magnetic field, the current flow in the stator windings must be switched at specific moments.
This is where electronic commutation comes into play. Electronic commutation involves the use of sensors, typically Hall effect sensors, placed inside the motor to detect the position of the rotor magnets. These sensors provide feedback to an electronic controller, which determines the precise timing for switching the current flow in the stator windings.
The electronic controller uses the information from the sensors to determine which windings should be energized and when. It generates signals to activate the appropriate power switches or transistors, which control the current flow in the stator windings. By switching the current flow in a carefully timed manner, the controller ensures that the magnetic force on the rotor magnets is always in the correct direction to generate continuous rotation.
Electronic commutation offers several advantages in brushless AC motors:
- Precise Control: Electronic commutation allows for precise control over the motor’s operation. The controller can adjust the timing and duration of current switching to achieve the desired speed, torque, and direction of rotation.
- Efficiency: By precisely controlling the current flow, electronic commutation minimizes energy losses and improves overall motor efficiency. The controller can optimize the motor’s performance to match the load requirements, reducing unnecessary power consumption.
- Smooth Operation: Electronic commutation results in smoother motor operation compared to mechanical commutation in brushed motors. The absence of physical brushes and commutators eliminates the mechanical limitations and potential sources of friction, leading to quieter and vibration-free operation.
- Variable Speed Control: Electronic commutation facilitates variable speed control in brushless AC motors. By adjusting the timing and frequency of current switching, the controller can vary the motor’s rotational speed over a wide range, offering flexibility in different applications.
- Improved Reliability: Electronic commutation eliminates the wear and tear associated with brushes and commutators in traditional brushed motors. This contributes to the overall reliability and durability of brushless AC motors, reducing the need for frequent maintenance and replacement of worn-out components.
In summary, electronic commutation plays a vital role in brushless AC motors by providing precise control over the motor’s operation, improving efficiency, enabling variable speed control, ensuring smooth operation, and enhancing overall reliability. It is the key mechanism that allows brushless AC motors to deliver efficient and accurate motor performance in various applications.
Can brushless AC motors be used in both industrial and residential settings?
Yes, brushless AC motors can be used in both industrial and residential settings. The versatility and advantages of brushless AC motors make them suitable for a wide range of applications. Here’s a detailed explanation:
Industrial Applications:
Brushless AC motors are widely used in various industrial applications due to their high efficiency, reliability, and precise control. Some common industrial applications where brushless AC motors are utilized include:
- Industrial Machinery: Brushless AC motors are often used in industrial machinery such as conveyor systems, pumps, compressors, and fans. Their high torque, variable speed control, and efficient operation make them suitable for driving heavy loads and providing reliable performance in demanding industrial environments.
- Robotics: Brushless AC motors find extensive use in robotics applications. The precise control capabilities of brushless motors, coupled with their compact size and high power density, make them ideal for powering robotic arms, grippers, and other motion control systems.
- Automotive: Brushless AC motors are increasingly being employed in electric and hybrid vehicles. They offer high power-to-weight ratios, efficient operation, and regenerative braking capabilities, making them suitable for propulsion systems, power steering, and other automotive applications.
- Aerospace: Brushless AC motors are used in aerospace applications, including aircraft systems, control surfaces, and landing gear mechanisms. Their reliability, compactness, and high performance make them suitable for the demanding requirements of the aerospace industry.
- Industrial Automation: Brushless AC motors play a critical role in industrial automation systems. They are used in CNC machines, robotic arms, assembly lines, and other automated processes, providing accurate and reliable motion control.
Residential Applications:
Brushless AC motors are also finding increased use in residential settings, thanks to their energy efficiency, quiet operation, and long lifespan. Some common residential applications where brushless AC motors are utilized include:
- Appliances: Brushless AC motors are employed in various household appliances such as refrigerators, air conditioners, washing machines, and dishwashers. They offer energy-efficient operation, precise control, and reduced noise levels, enhancing the performance and user experience of these appliances.
- HVAC Systems: Brushless AC motors are used in heating, ventilation, and air conditioning (HVAC) systems. They provide efficient and reliable operation for fans, blowers, and pumps, contributing to energy savings and optimal indoor comfort.
- Smart Home Devices: Brushless AC motors are integrated into smart home devices, including motorized window blinds, smart locks, and automated lighting systems. They offer quiet operation, precise positioning, and energy efficiency, enhancing the convenience and functionality of these devices.
- Power Tools: Brushless AC motors are increasingly used in power tools such as drills, saws, and sanders. They deliver high power output, longer runtime, and longer tool life compared to brushed motors, making them desirable for DIY enthusiasts and professionals alike.
With their versatility, energy efficiency, and reliability, brushless AC motors have become a preferred choice in both industrial and residential settings. They offer numerous benefits, including improved performance, reduced maintenance requirements, and enhanced energy savings, making them suitable for a wide range of applications across various sectors.
Where can individuals find reliable information on selecting and installing brushless AC motors?
When it comes to selecting and installing brushless AC motors, individuals can find reliable information from various sources. Here are some recommended sources for obtaining accurate and valuable information on this topic:
- Manufacturer’s Documentation: The documentation provided by motor manufacturers is a valuable resource for understanding the specifications, features, and application guidelines for specific brushless AC motors. Manufacturers often provide datasheets, technical manuals, and installation guides that offer detailed information on motor selection, installation requirements, and best practices.
- Engineering and Motor Associations: Engineering associations and motor-specific organizations often provide resources and guidelines related to motor selection and installation. These associations may offer publications, technical papers, and online resources that cover various aspects of motor technology, including brushless AC motors. Examples of such organizations include the Institute of Electrical and Electronics Engineers (IEEE) and the National Electrical Manufacturers Association (NEMA).
- Online Motor Portals and Databases: There are online portals and databases that specialize in providing information and resources related to electric motors. These platforms may include comprehensive motor catalogs, technical articles, motor selection tools, and user forums where individuals can ask questions and seek advice from experts in the field. Examples of such platforms include Engineering360, GlobalSpec, and the Motor Systems Tool Kit.
- Industry Publications and Technical Journals: Industry publications and technical journals focusing on electrical engineering, motor technology, or specific industries that extensively use brushless AC motors can be excellent sources of information. These publications often feature articles, case studies, and expert insights on motor selection, installation techniques, and application-specific considerations.
- Consulting with Motor Experts: Seeking guidance from motor experts, such as electrical engineers or motor consultants, can provide personalized advice and recommendations based on specific requirements. These professionals have in-depth knowledge and experience in motor selection and installation and can assist in evaluating the application needs, considering factors such as power requirements, environmental conditions, and system integration.
It’s important to verify the credibility and reliability of the information obtained from these sources. Checking the reputation and expertise of the source, referring to multiple reliable sources, and considering up-to-date information are essential for making informed decisions regarding the selection and installation of brushless AC motors.
Ultimately, a combination of thorough research, consultation with experts, and careful consideration of the specific application requirements will help individuals find reliable information and make well-informed decisions when it comes to selecting and installing brushless AC motors.
editor by CX 2024-04-02
China Standard Italy Phase Energy Saving AC Brushless Molding Machine Servo Motor Injection vacuum pump electric
Product Description
Italy Phase Energy saving AC brushless molding machine servo motor injection
| ZF25 series servo motor model specification sheet | |||||||||||||
| Product series | Rated power (KW) |
Rated RPM (rpm) | Rated torque (N.M) |
Rated voltage (V) |
Rated current (A) |
Frequency (HZ) |
Counter electromotive force V/**rpm |
Torque constant KT(N.M/A) | Rotor inertia Kgm210-3 | Line resistance (ΩRw20ºC) |
Line inductance (mH) |
L1 /mm |
L2 /mm |
| 25 | 23.5 | 1700 | 132 | 380 | 45.4 | 113.3 | 316/1700 | 2.91 | 28 | 0.13 | 2.17 | 322 | 470 |
| 25 | 1800 | 132 | 380 | 48 | 120 | 310/1800 | 2.75 | 28 | 0.1 | 5.34 | |||
| 25 | 27 | 1500 | 168 | 380 | 50 | 100 | 320/1500 | 3.36 | 35 | 0.204 | 6.19 | 322 | 510 |
| 31 | 1700 | 175 | 380 | 64 | 113.3 | 310/1700 | 2.73 | 35 | 0.15 | 6.51 | |||
| 31.5 | 1800 | 168 | 380 | 63 | 120 | 307/1800 | 2.67 | 35 | 0.114 | 3.48 | |||
| 25 | 32 | 1500 | 205 | 380 | 62 | 100 | 320/1500 | 3.31 | 42 | 0.133 | 4.34 | 322 | 550 |
| 37 | 1700 | 208 | 380 | 74 | 113.3 | 305/1700 | 2.81 | 42 | 0.11 | 3.21 | |||
| 38.5 | 1800 | 205 | 380 | 74 | 120 | 324/1800 | 2.77 | 42 | 0.093 | 3.03 | |||
| 25 | 39 | 1500 | 248 | 380 | 75 | 100 | 320/1500 | 3.31 | 50 | 0.113 | 3.63 | 322 | 590 |
| 45.4 | 1700 | 255 | 380 | 87 | 113.3 | 328/1700 | 2.93 | 50 | 0.05 | 1.18 | |||
| 47 | 1800 | 248 | 380 | 93 | 120 | 320/1800 | 2.67 | 50 | 0.067 | 2.32 | |||
| 25 | 49.3 | 1500 | 314 | 380 | 88 | 100 | 320/1500 | 3.57 | 58 | 0.085 | 2.71 | 322 | 630 |
| 57.8 | 1700 | 325 | 380 | 116 | 113.3 | 306/1700 | 2.80 | 58 | 0.041 | 1.02 | |||
| 59.1 | 1800 | 314 | 380 | 116 | 120 | 300/1800 | 2.71 | 58 | 0.046 | 1.56 | |||
1. we use carton box to make package.
2.Also, we support custom made according to customer’s needs.
1. Are you factory?
Yes, we are facotry, and we produce AC motor/driver, Servo motor/driver and planetary reducer for more then 13 years in China.
2. How to select models?
Before purchasing, please contact us to confirm model No. and specifications to avoid any misunderstanding.
3. How do you ship the goods?
We normally ship goods by sea ,by express(DHL/UPS/FEDEX/EMS), and by air, also accept customer appointed.
4. Can I test sample?
Yes, sample charged can be offered for testing.
5. Can we be agent or distributor?
Yes, welcome and we will support you.
6. Can you do OEM or ODM service?
Yes, we have R&D department and accept OEM and ODM service.
7. How about warranty?
18 MONTH warranty, technical support available, we always try our best to help customers to solve problems
| Application: | Industrial |
|---|---|
| Speed: | High Speed |
| Number of Stator: | Three-Phase |
| Function: | Driving |
| Casing Protection: | Open Type |
| Number of Poles: | 8 |
| Samples: |
US$ 889/set
1 set(Min.Order) | |
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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.
Are brushless AC motors more energy-efficient compared to brushed motors?
Yes, brushless AC motors are generally more energy-efficient compared to brushed motors. Several factors contribute to their improved energy efficiency. Here’s a detailed explanation:
1. Elimination of Brush Friction: Brushed motors rely on brushes and commutators for the transfer of electrical power to the rotor windings. However, the physical contact between the brushes and commutator results in friction, which leads to energy losses in the form of heat. In contrast, brushless AC motors eliminate the need for brushes and commutators, reducing friction and minimizing energy losses associated with brush wear and mechanical contact.
2. Reduced Electrical Resistance: Brushes and commutators in brushed motors introduce electrical resistance to the current flow, which results in power losses. In brushless AC motors, electronic commutation eliminates the need for physical contact and reduces electrical resistance. This reduction in resistance helps improve the overall electrical efficiency of the motor.
3. Optimal Power Conversion: Brushless AC motors use electronic controllers to precisely control the timing and duration of current flow in the stator windings. This electronic commutation allows for optimal power conversion, ensuring that electrical energy is efficiently converted into mechanical energy to drive the motor. The ability to adjust the current flow based on load requirements helps minimize unnecessary power consumption and improves overall energy efficiency.
4. Regenerative Braking: Brushless AC motors can also incorporate regenerative braking systems, which further contribute to their energy efficiency. During braking or deceleration, the motor operates in reverse as a generator, converting the kinetic energy of the rotating load into electrical energy. This regenerated energy can be fed back into the power supply or stored in a battery for later use, reducing energy waste and enhancing overall efficiency.
5. Enhanced Control and Optimization: Brushless AC motors offer finer control over motor speed, torque, and performance characteristics compared to brushed motors. The electronic commutation and advanced control algorithms enable precise adjustment of the motor’s operation to match the load requirements. This optimization ensures that the motor operates at its most efficient operating point, minimizing energy losses and maximizing energy efficiency.
Overall, the elimination of brush friction, reduced electrical resistance, optimal power conversion, regenerative braking capabilities, and enhanced control contribute to the superior energy efficiency of brushless AC motors compared to brushed motors. These energy-saving benefits make brushless AC motors an attractive choice in various applications where energy efficiency is a priority.
What role does the inverter play in the operation of a brushless AC motor?
The inverter plays a crucial role in the operation of a brushless AC motor. It is responsible for converting the DC power from an external power source into the AC power required to drive the motor. Here’s a detailed explanation of the role of the inverter in the operation of a brushless AC motor:
The inverter serves as the interface between the power supply and the brushless AC motor. It consists of power electronic devices, such as insulated-gate bipolar transistors (IGBTs) or metal-oxide-semiconductor field-effect transistors (MOSFETs), which control the switching of electrical signals to generate the desired AC voltage and frequency for the motor.
1. Power Conversion: The primary function of the inverter is to convert the DC power from the external power source, such as a battery or power grid, into the three-phase AC power required by the brushless AC motor. The inverter achieves this conversion by rapidly switching the DC voltage on its input side to create a series of voltage pulses, which are then filtered and shaped to generate the desired AC waveform.
2. Variable Frequency Control: In addition to converting DC power to AC power, the inverter allows for precise control of the motor’s speed and torque by varying the frequency of the generated AC voltage. By adjusting the switching frequency of the inverter’s power electronic devices, the inverter can change the frequency of the AC voltage supplied to the motor. This variable frequency control enables smooth speed regulation and efficient operation of the brushless AC motor across a wide range of speeds.
3. Motor Synchronization: The inverter synchronizes its output voltage and frequency with the rotor position of the brushless AC motor. This synchronization is crucial for accurate and efficient motor operation. The inverter uses position sensors, such as Hall effect sensors or encoders, to detect the rotor position and adjust the timing of the switching signals accordingly. By maintaining proper synchronization, the inverter ensures that the magnetic fields produced by the motor’s stator windings interact optimally with the rotor’s permanent magnets, resulting in smooth and efficient motor performance.
4. Control and Protection: The inverter includes control circuitry and algorithms to manage the operation of the brushless AC motor. It receives commands or feedback signals from the motor control system or user interface and adjusts the voltage and frequency output accordingly. The inverter also incorporates various protection mechanisms to safeguard the motor and itself from abnormal conditions such as overcurrent, overvoltage, or overheating. These protection features help prevent damage to the motor and ensure safe and reliable operation.
5. Energy Regeneration: In some applications, brushless AC motors can act as generators when decelerating or during braking. The inverter can take advantage of this regenerative capability by converting the electrical energy generated by the motor back into usable power. The inverter can feed this regenerated energy back to the power supply or store it in energy storage devices, such as capacitors or batteries, for later use. This energy regeneration feature improves overall system efficiency and can be particularly beneficial in applications where frequent deceleration or braking occurs.
The inverter is an integral component of the brushless AC motor system, responsible for converting the DC power supply into the appropriate AC power to drive the motor. Its ability to control voltage, frequency, and synchronization ensures precise and efficient motor operation. Proper selection, design, and configuration of the inverter are essential to optimize the performance, reliability, and overall system efficiency of brushless AC motor applications.
editor by CX 2023-12-06