Product Description
Products Description
3 Phase Ac Induction Motor is made of high quality cast iron.With optimized construction design,they can ensure the requirement of structure rigidity and intensity.Silicon steel plate is used in stator core and rotor core,it has good insulation on surface,low loss which ensures the higher efficiency.High quality insulation material combines the perfect insulation system which makes the insulation completely without clearance,high rigidity of the winding end,it can endure switching and reversing intensity,F class insulation makes the motor with higher heat stability and longer life.
We use die-casting technology to ensure the stable quality of the rotor and aesthetic appearance.
The design of bearing and motor construction focuses on motor type,force on the motor,speed,lubricate type,including bearing,design of oil sea and lubricant etc.It has the advantage of credible performance and easy maintenance.For the frame size from 250 and below,we generally use closed bearing;frame size above 250 we use open type.Bearing.Regreasing can be done during running.Perfect primer ensures the motors with good apperance and the motors are durable.We can also use special corrosion protection coating.
Application:
Supply power:voltage variable ±5%,frequency variable:±2%,combine voltage and frequency variable:±5%.
The following as options or customers’ request:
-Protection class IP56
-Space heater
-Heat protector
-Vibration detector
-Special mounting dimension and shaft dimension
-Low vibration and low noise
-Bearing thermometer PT100(frame size H180 and above)
-Winding thermometer PT100
-Special painting
-Others
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China Julante Motors Factory Advantages:
- Prompt Quotation.
- Competitive Price
- Guaranteed Quality
- Timely Delivery
- 100% Tested.
- Sincere and Professional Service.
- Outstanding Finishing Surface.
- Strictly and Perfect Management is guaranteed for Production.
- Specialized in Manufacturing and Supplying a wide range of Electric Motors since year 2002.
- Have Rich Experience and Strong ability to Develop New Products.
- Have Ability to Design the Products Based on Your Original Samples
Manufacturing process:
- Stamping of lamination
- Rotor die-casting
- Winding and inserting – both manual and semi-automatically
- Vacuum varnishing
- Machining shaft, housing, end shields, etc…
- Rotor balancing
- Painting – both wet paint and powder coating
- Motor assembly
- Packing
- Inspecting spare parts every processing
- 100% test after each process and final test before packing
/* 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(/(.*?):(.*)$/))&&1
| Application: | Industrial |
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| Speed: | High Speed |
| Number of Stator: | Three-Phase |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | 2/4/6/8 |
| Samples: |
US$ 340/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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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 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.
Can brushless AC motors be retrofitted into systems designed for brushed motors?
Yes, in many cases, brushless AC motors can be retrofitted into systems that were originally designed for brushed motors. However, there are several factors to consider when retrofitting a brushless AC motor into a system designed for brushed motors. Here’s a detailed explanation:
1. Physical Compatibility: The physical dimensions and mounting arrangements of the brushless AC motor need to be compatible with the existing system. Careful consideration should be given to ensure that the brushless motor can fit within the available space and can be properly mounted in the system without any modifications to the structure or frame.
2. Electrical Compatibility: Brushed motors and brushless AC motors have different electrical characteristics. Brushed motors typically operate on direct current (DC), while brushless AC motors require alternating current (AC) power and often need electronic motor controllers for proper operation. The electrical infrastructure of the system should be evaluated to determine if it can support the power requirements and control mechanisms of the brushless AC motor.
3. Control System: Brushless AC motors require specialized control systems to operate effectively. These control systems typically include motor controllers or drives that provide the necessary power and control signals. The existing control system in the system designed for brushed motors may need to be modified or replaced to accommodate the requirements of the brushless AC motor. This may involve rewiring, integrating new control components, or updating the software interface.
4. Interface Compatibility: The interface between the motor and the system, such as shaft dimensions, coupling mechanisms, or load requirements, must be evaluated for compatibility. If the brushless AC motor has different shaft dimensions or requires different coupling mechanisms, appropriate adapters or modifications may be necessary to ensure a proper connection with the system’s load or driven equipment.
5. Performance Requirements: Consideration should be given to whether the performance characteristics of the brushless AC motor are suitable for the intended application in the retrofitted system. This includes factors such as torque, speed range, efficiency, and control capabilities. It is important to ensure that the brushless AC motor can meet or exceed the performance requirements of the system previously served by the brushed motor.
6. Cost and Feasibility: Retrofitting a system designed for brushed motors with brushless AC motors can involve costs related to motor procurement, modification of the system, and integration of control components. A cost-benefit analysis should be performed to determine the feasibility and economic viability of the retrofitting project.
While it is possible to retrofit brushless AC motors into systems designed for brushed motors, it is recommended to consult with motor and system experts or engineers to assess the compatibility, feasibility, and potential challenges of the retrofitting process. Their expertise can help ensure a successful transition to brushless AC motors while maximizing the benefits and performance of the retrofitted system.
editor by CX 2024-05-16
China manufacturer New Launching 30kw 15000rpm High Speed Brushless AC Permanent Magnetic Motor vacuum pump
Product Description
New Launching 30KW 15000RPM High Speed Brushless AC Permanent Magnetic Motor
Product Feature
1.Suitable for the 15000rpm high speed
2.Reserve a large margin of security
3.High power & high torque
4.High efficiency
5.Small size
6.Low noise low vibration
7.The autonomous patented cooling structure
Specifications
Model type: SRPM165H4XO30
Voltage: 380V AC
Rated Power: 30KW
Rate Torque : 19.1N.m
Rated speed: 15000rpm
Efficiency: 96.5%
Isolation: H
Water/dust Proof: IP54(IP67 option)
Cooling Method:Oil cooling
Other motors you will be interested in
| Motor type | Voltage (V AC) |
Rated power (kW) |
Rated torque (N.m) | Rated speed (rpm) |
Efficiency (%) |
Duty type | Insulation | Ingress protection | Pole Number | Weight (kg) |
Cooling Method | position signal |
| SRPM160H4XO15 | 380 | 15 | 5.96 | 24000 | 96.5 | S1 | H/F | IP67 | 4 | 12 | Oil | Resolver |
| SRPM160H4XO75 | 380 | 75 | 35.8 | 20000 | 96.5 | S1 | H/F | IP67 | 4 | 44 | Oil | Resolver |
| SRPM160H4XO90 | 380 | 90 | 43 | 20000 | 96.5 | S1 | H/F | IP67 | 4 | 48 | Oil | Resolver |
| SRPM205H4XO110 | 380 | 110 | 52.5 | 20000 | 96.5 | S1 | H/F | IP67 | 4 | 76 | Oil | Resolver |
| SRPM205H4XO160 | 380 | 160 | 76.4 | 20000 | 96.5 | S1 | H/F | IP67 | 4 | 86 | Oil | Resolver |
| SRPM205H4XO200 | 380 | 200 | 95.5 | 20000 | 96.5 | S1 | H/F | IP67 | 4 | 95 | Oil | Resolver |
FAQ
1. Can performanent magnet synchronous motor be used as generator?
No. Permanent magnet synchronous motor is absolutely different from generator. It is only ac motor that outputs speed and torque to drive electric devices, but not power supply.
2. Why can not directly use 3 phase ac supply voltage to start permanent magnet synchronous motor?
Becuase rotor is with big innertia, and magetic files spins so fast that static rotor has no way to spin with magetic filed.
3. Any special technical request on this motor’s VFD driver? And Do you have such driver?
Permanent magnet synchronous motor’s driver should be vector control VFD with special inner software, such as CHINAMFG 6SE70 series, Yakawa CR5 series, ABB ACS800 series, CHINAMFG A740 series, B&R P84 and P74 series, etc.. Yes, our MH300 series VFD matches with this motor.
4. Is there any protective measures to defend permanent magnet rotor from failure?
Yes, each permanent magnet rotor passes corrossion resistance, consistency, high temperature demagnetization test, linear demagnetization test, etc. Its demagnetization index is within 2%. But if working environment is serious oxiditive corrosion, kindly advise for higher protection level.
5. Where is this permanent magnet synchronous motor normally used to?
This permanent magnet synchronous motor is normally used to variable frequency speed situation.
/* 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, Power Tools, Compressors, Pumps, Fans |
|---|---|
| Operating Speed: | High Speed |
| Operation Mode: | Electric Motor |
| Magnetic Structure: | Permanent Magnet |
| Function: | Driving |
| Structure: | Rotating Pole Type (Armature Fixed) |
| Customization: |
Available
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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.
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 2024-05-08