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Study on Winding Inductances in Stator Surface-Mounted Permanent Magnet Machines

Author

Listed:
  • Xiaofeng Zhu

    (School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210023, China)

  • Yan Yue

    (School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210023, China)

Abstract

Winding inductance always plays a key role in the electromagnetic performances of stator surface-mounted permanent magnet (SSPM) machines, including their flux-weakening capability, prospective fault current, power factor, current ripple, etc. Generally speaking, winding inductance mainly comprises three components: an air-gap component, a slot-leakage component, and an end-leakage component. In this paper, firstly, the winding pole pairs of SSPM machines are investigated based on the magneto-motive force-permeance model, through which the winding configurations can also be determined. Then, according to the winding configurations, three analytical expressions for each inductance component are derived to evaluate the winding inductance per phase. In addition, finite element analysis (FEA) is employed to verify the effectiveness of the derived analytical expressions. Meanwhile, three prototyped SSPM machines are manufactured, and their winding inductances are measured to further verify the analytical expressions. The measured results agree with both the analytical and FEA results very well.

Suggested Citation

  • Xiaofeng Zhu & Yan Yue, 2024. "Study on Winding Inductances in Stator Surface-Mounted Permanent Magnet Machines," Energies, MDPI, vol. 17(21), pages 1-13, October.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:21:p:5359-:d:1508337
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    References listed on IDEAS

    as
    1. Yanding Bi & Weinong Fu & Shuangxia Niu & Jiahui Huang, 2023. "Comparative Analysis of Consequent-Pole Flux-Switching Machines with Different Permanent Magnet Arrangements for Outer-Rotor In-Wheel Direct-Drive Applications," Energies, MDPI, vol. 16(18), pages 1-11, September.
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