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Vibration and Noise Optimization of Variable-Frequency-Driven SPMSM Used in Compressor Based on Electromagnetic Analysis and Modal Characteristics

Author

Listed:
  • Jiabo Shou

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Jien Ma

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Zhiping Zhang

    (Gree Electric Appliance Co., Ltd., Zhuhai 519070, China)

  • Lin Qiu

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Bowen Xu

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Chao Luo

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Binqi Li

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Youtong Fang

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

Abstract

The high-frequency electromagnetic noise caused by a frequency converter power supply has become the main composition of the vibration and noise of frequency-converter-driven PMSMs. Determining how to reduce this kind of noise is very important to improve motor performance. This paper analyzes the frequency characteristics of the high-frequency noise generated by an inverter, using the magnetic circuit analysis and Maxwell tensor methods. The switching frequency and the natural frequencies of the main modes are optimized according to the modal characteristics of the motor in order to reduce the vibration and noise of the motor. The results show that the high-frequency electromagnetic vibration and noise generated by the inverter is mainly caused by the high-frequency switching harmonic current. The frequencies of the vibration and noise are related to the switching frequency and the modulation wave frequency. At the same time, the simulation calculation of the natural frequencies of the main modes and the noise spectrum obtained from the experiment provide direction for the optimization of the vibration noise near the switching frequency. The switching frequency optimization and the natural frequency optimization based on the main modes of the motor can effectively reduce vibration and noise. This work has certain reference significance for the design of low-noise PMSMs.

Suggested Citation

  • Jiabo Shou & Jien Ma & Zhiping Zhang & Lin Qiu & Bowen Xu & Chao Luo & Binqi Li & Youtong Fang, 2022. "Vibration and Noise Optimization of Variable-Frequency-Driven SPMSM Used in Compressor Based on Electromagnetic Analysis and Modal Characteristics," Energies, MDPI, vol. 15(20), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:20:p:7474-:d:939025
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    Cited by:

    1. Si-Woo Song & Min-Ki Hong & Ju Lee & Won-Ho Kim, 2022. "A Study on Reduction of Cogging Torque and Magnet Usage through Intersect Magnet Consequent Pole Structure," Energies, MDPI, vol. 15(23), pages 1-10, December.

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