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Steady-State Characteristics Analysis of Hybrid-Excited Flux-Switching Machines with Identical Iron Laminations

Author

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  • Gan Zhang

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Wei Hua

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Ming Cheng

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

Abstract

Since the air-gap field of flux-switching permanent magnet (FSPM) machines is difficult to regulate as it is produced by the stator-magnets alone, a type of hybrid-excited flux-switching (HEFS) machine is obtained by reducing the magnet length of an original FSPM machine and introducing a set of field windings into the saved space. In this paper, the steady-state characteristics, especially for the loaded performances of four prototyped HEFS machines, namely, PM-top, PM-middle-1, PM-middle-2, and PM-bottom, are comprehensively compared and evaluated based on both 2D and 3D finite element analysis. Also, the influences of PM materials including ferrite and NdFeB, respectively, on the characteristics of HEFS machines are covered. Particularly, the impacts of magnet movement in the corresponding slot on flux-regulating performances are studied in depth. The best overall performances employing NdFeB can be obtained when magnets are located near the air-gap. The FEA predictions are validated by experimental measurements on corresponding machine prototypes.

Suggested Citation

  • Gan Zhang & Wei Hua & Ming Cheng, 2015. "Steady-State Characteristics Analysis of Hybrid-Excited Flux-Switching Machines with Identical Iron Laminations," Energies, MDPI, vol. 8(11), pages 1-19, November.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:11:p:12351-12916:d:58898
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    References listed on IDEAS

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    1. Jing Zhao & Yashuang Yan & Bin Li & Xiangdong Liu & Zhen Chen, 2014. "Influence of Different Rotor Teeth Shapes on the Performance of Flux Switching Permanent Magnet Machines Used for Electric Vehicles," Energies, MDPI, vol. 7(12), pages 1-20, December.
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    Cited by:

    1. Peixin Liang & Yulong Pei & Feng Chai & Kui Zhao, 2016. "Analytical Calculation of D - and Q -axis Inductance for Interior Permanent Magnet Motors Based on Winding Function Theory," Energies, MDPI, vol. 9(8), pages 1-11, July.
    2. Yi Du & Gang Yang & Li Quan & Xiaoyong Zhu & Feng Xiao & Haoyang Wu, 2017. "Detent Force Reduction of a C-Core Linear Flux-Switching Permanent Magnet Machine with Multiple Additional Teeth," Energies, MDPI, vol. 10(3), pages 1-14, March.
    3. Feng Li & Xiaoyong Zhu, 2021. "Comparative Study of Stepwise Optimization and Global Optimization on a Nine-Phase Flux-Switching PM Generator," Energies, MDPI, vol. 14(16), pages 1-13, August.
    4. Yi Du & Wei Lu & Qi Wang & Xiaoyong Zhu & Li Quan, 2018. "Comparative Investigation of Hybrid Excitation Flux Switching Machines," Energies, MDPI, vol. 11(6), pages 1-16, June.

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