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Magnet Slotting Design to Reduce High Order Electromagnetic Force and Vibration of Permanent Magnet Motor

Author

Listed:
  • Zifei Wang

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Wei Tian

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Wenxiang Zhao

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

Abstract

In this paper, a new method is proposed to suppress the vibration caused by the modulation effect of high-order electromagnetic forces in permanent magnet (PM) motors. Firstly, the modulation effect of the radial force was investigated, which indicated that the higher-order electromagnetic force could cause modulated vibrations through the modulation effect. Then, auxiliary slots on the magnet surface and their effect on vibration reduction were investigated. The optimal shape of the auxiliary slot was found to minimize the noise of motor vibration. Finally, the method was verified experimentally.

Suggested Citation

  • Zifei Wang & Wei Tian & Wenxiang Zhao, 2022. "Magnet Slotting Design to Reduce High Order Electromagnetic Force and Vibration of Permanent Magnet Motor," Energies, MDPI, vol. 15(22), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:22:p:8684-:d:977569
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    References listed on IDEAS

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    1. Qiang Wang & Pingping Zhao & Xianbin Du & Fen Lin & Xu Li, 2020. "Electromagnetic Vibration Analysis and Slot–Pole Structural Optimization for a Novel Integrated Permanent Magnet In-Wheel Motor," Energies, MDPI, vol. 13(13), pages 1-15, July.
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    Cited by:

    1. Wenxiang Zhao & Liang Xu & Bo Wang, 2023. "Multi-Factor Coupling Analysis and Optimization Method for High-Quality Electrical Machine Systems," Energies, MDPI, vol. 16(7), pages 1-3, March.

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