
Permanent Magnet Energy Saving Motor
Permanent Magnet Energy Saving Motor is a high efficiency and energy saving motor specially designed for husbandry fans, including negative pressure fan motor and Air cooler motor, with power from 0.37kW to 2.2KW.
Our company holds multiple invention patents and has obtained 3C, CE, and ISO9001 certifications after national testing.
Focusing on product innovation and maintaining long-term collaborations with Chinese universities.
Introducing advanced technology and manufacturing processes from Taiwan in electric machinery, ensuring high quality standards.
About Permanent Magnet Energy Saving Motor
The Permanent Magnet Energy saving Motor adopts a brushless permanent magnet DC motor that utilizes low-loss cold-rolled non-oriented electrical steel and rare-earth permanent magnet materials. With an energy efficiency rating surpassing IE4, it offers superior energy savings compared to three-phase asynchronous motors used for similar purposes.
Features of Permanent Magnet Energy Saving Motor :
- High Efficiency Range: Exhibits a wide constant power torque range, ensuring high-efficiency operation throughout its full operating range.
- Low Temperature Rise: Maintains low temperature under rated conditions, ensuring high stability and reliability.
- Compatibility: Shares the same frame size and installation method as asynchronous motors for similar applications.
- Built-in Controller: Provides advanced protection, simplifying motor installation and wiring.
- Wide Applications: Suitable for various ventilation fans, environmental protection systems, temperature control, and energy-saving improvements.
- Patented Technologies: Incorporates multiple patented technologies, offering advantages like stepless speed control, precise low-speed control, low noise, and a compact structure.

Product Data

- Variable frequency speed and constant torque;
- No rotor loss, low temperature rise, high energy efficiency. The motor can reach IE4 or IE5.
- In the case of overload, the efficiency performance is also excellent.
- High torque density, high power density, high power factor.
- Sensorless control (no need to use an encoder).
- No slip, synchronous speed, realizing precise speed control. Low cogging torque and low torque ripple design.
- Strong overload capacity.
- Built-in driver, FOC vector control, MTPA control strategy to improve efficiency.
- Wide speed range and support motor direct-driven.

- Frame size: 90-100
- Power range: 0.55-22KW (customizable)
- Rated speed: 1450/920/730/640/550r/min (customizable)
- Protection grade: IP55 Insulation Class: F
- Temperature rise: B
- Duty type: S1
- Rated Voltage: 220Vac/380Vac
- Ambient temperature: -20°C~40°C
- Altitude: up to 1000m above sea level
- IE5 motor is customizable.


quality control in the process of Permanent Magnet Energy saving Motor
Material Inspection: Before production, we conduct rigorous checks on raw materials and components to ensure they meet specifications and quality standard
Manufacturing Process Monitoring: Continuous monitoring of the production process, strictly adhering to ISO9001 quality guidelines.
Dimensional Verification: During production, we regularly measure components to ensure they comply with specified tolerances.
Functional Testing: The quality inspection team performs performance tests on assembled motors to verify efficiency, torque, and operational stability.
Thermal Testing: Assessing temperature rise under load to ensure the motor operates within safe limits.
End-of-Line Testing: Comprehensive testing of finished motors to ensure overall functionality, safety, and compliance with certification standards such as 3C and CE.
Feedback Loop: After-sales, we implement a system to collect and analyze user feedback from our customers to drive continuous improvement.
Documentation and Traceability: We maintain detailed records of inspections and tests at each production stage to ensure traceability throughout the manufacturing process.

Zhejiang Fangyuan Sifu Mechanical And Electrical Co., Ltd. covers an area of 28,000 square meters. It has developed sea, land, and air transportation. the market share is growing at an annual rate of more than 30%. The company's main products are iron shell single three-phase asynchronous motor series, aluminum shell three-phase asynchronous motor series, fan-specific motor series, and permanent magnetic synchronous motor series.
why choose us
International Certification
The company has obtained dozens of invention patent certificates. After testing by national testing institutions, it has obtained 3C certification, CE certification, and ISO9001 management system certification.
Technological Innovation
The company has long-term technical cooperation with China Metrology Institute, Zhejiang University of Technology, and other universities to enhance its core strength in innovation, stability, efficiency, and energy conservation.
Excellent Service
The company's after-sales service mechanism is perfect,, It has established a good reputation, and provides products and services for large enterprises such as Yili and Mengniu.
High Quality
Introducing Taiwan's advanced technology equipment and manufacturing processes, we attach great importance to product research and development, product update speed, and quality assurance.
Maintenance Tips for Permanent Magnet Energy-Saving Motors
Regular Inspections: Check for signs of wear, damage, or unusual noises during routine maintenance to catch potential issues early.
Keep it Clean: Ensure the motor and surrounding area are free from dust, dirt, and debris to maintain optimal cooling and performance.
Monitor Temperature: Use temperature sensors to ensure the motor operates within recommended limits; overheating can lead to failures.
Check Connections: Inspect electrical connections for tightness and corrosion, ensuring good conductivity and preventing electrical issues.
Lubrication: If applicable, lubricate bearings according to manufacturer guidelines to reduce friction and wear.
Vibration Analysis: Conduct regular vibration tests to identify imbalances or misalignments that could lead to damage.
Watch for Overloading: Ensure the motor isn't operating beyond its rated capacity to avoid excessive strain and potential burnout.
Use Soft Start Devices: Consider installing soft starters to reduce inrush current and mechanical stress during startup.
Inspect Cooling Systems: If your motor has a cooling system, ensure it's functioning properly to prevent overheating.
Keep Records: Maintain detailed maintenance logs to track service history and identify recurring issues over time.
FAQ
Q: Are Permanent Magnetic Synchronous Motors suitable for high-power applications?
Q: Do Permanent Magnetic Synchronous Motors require maintenance?
Q: Can Permanent Magnetic Synchronous Motors be used in renewable energy systems?
Q: What is a Permanent Magnet Energy-Saving Motor?
Q: How does it differ from traditional motors?
Q: What are the benefits?
Q: What applications are suitable for these motors?
Q: Are there any disadvantages?
Q: How do I select the right motor?
Q: What maintenance do these motors require?
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