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Analysis and Optimization of a Novel Flux Reversal Machine with Auxiliary Teeth

Author

Listed:
  • Libing Jing

    (College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China)

  • Kun Yang

    (College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China)

  • Yuting Gao

    (Department of Electrical and Mechanical Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan)

  • Zhangtao Kui

    (College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China)

  • Zeyu Min

    (College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China)

Abstract

As a typical representative of the stator permanent magnet (PM) machines, the flux reversal machines (FRMs) have a simple structure, high availability of PMs, and high efficiency, making them suitable for direct drive applications. However, the PMs of the FRMs are mounted on the surface of the stator tooth, and its equivalent length of air gap is relatively large, which limits the torque increase. To improve the torque density, a novel FRM with auxiliary teeth is proposed in this paper. Half of the stator teeth are replaced by auxiliary teeth without PMs to reduce magnetic flux leakage, the number of PMs on each stator tooth is also changed. To improve the torque, the genetic algorithm is used to optimize the key design parameters to determine the optimal parameters of the machine. Finally, a finite element model is established to verify the analysis results. Compared with the conventional FRM, the torque of the proposed FRM is increased by 25.1%, the torque ripple is reduced by 24.1%, and the consumption of PMs is reduced by 24.1%. Therefore, the proposed FRM has a broader application prospect.

Suggested Citation

  • Libing Jing & Kun Yang & Yuting Gao & Zhangtao Kui & Zeyu Min, 2022. "Analysis and Optimization of a Novel Flux Reversal Machine with Auxiliary Teeth," Energies, MDPI, vol. 15(23), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:8906-:d:983723
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    References listed on IDEAS

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    1. Vladimir Dmitrievskii & Vladimir Prakht & Vadim Kazakbaev & Sergey Sarapulov, 2018. "Optimal Design of a High-Speed Single-Phase Flux Reversal Motor for Vacuum Cleaners," Energies, MDPI, vol. 11(12), pages 1-13, November.
    2. Bharathi Manne & Malligunta Kiran Kumar & Udochukwu B. Akuru, 2020. "Design and Performance Assessment of a Small-Scale Ferrite-PM Flux Reversal Wind Generator," Energies, MDPI, vol. 13(21), pages 1-26, October.
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    Cited by:

    1. Dimitrios Rimpas & Stavrοs D. Kaminaris & Dimitrios D. Piromalis & George Vokas & Konstantinos G. Arvanitis & Christos-Spyridon Karavas, 2023. "Comparative Review of Motor Technologies for Electric Vehicles Powered by a Hybrid Energy Storage System Based on Multi-Criteria Analysis," Energies, MDPI, vol. 16(6), pages 1-24, March.

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