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A Study on Magnetic Decoupling of Compound-Structure Permanent-Magnet Motor for HEVs Application

Author

Listed:
  • Qiwei Xu

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China)

  • Jing Sun

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China)

  • Lingyan Luo

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China)

  • Shumei Cui

    (Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China)

  • Qianfan Zhang

    (Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China)

Abstract

The compound-structure permanent-magnet (CSPM) motor is used for an electrical continuously-variable transmission (E-CVT) in a hybrid electric vehicle (HEV). It can make the internal combustion engine (ICE) independent of the road loads and run in the high efficiency area to improve the fuel economy and reduce the emissions. This paper studies the magnetic coupling of a new type of CSPM motor used in HEVs. Firstly, through the analysis of the parameter matching with CSPM in the HEV, we receive the same dynamic properties’ design parameters between the CSPM motor and the THS (Toyota Hybrid System) of the Toyota Prius. Next, we establish the equivalent magnetic circuit model of the overall and the secondary model considering the tangential and radial flux distribution in the outer rotor of the CSPM motor. Based on these two models, we explore the internal magnetic coupling rule of the CSPM motor. Finally, finite element method analysis in 2D-ansoft is used to analyze the magnetic field distribution of the CSPM motor in different operation modes. By the result of the finite element method analysis, the internal magnetic decoupling scheme is put forward, laying the theoretical foundation for the further application of the CSPM motor in HEVs.

Suggested Citation

  • Qiwei Xu & Jing Sun & Lingyan Luo & Shumei Cui & Qianfan Zhang, 2016. "A Study on Magnetic Decoupling of Compound-Structure Permanent-Magnet Motor for HEVs Application," Energies, MDPI, vol. 9(10), pages 1-16, October.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:10:p:819-:d:80463
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    References listed on IDEAS

    as
    1. Qiwei Xu & Shumei Cui & Liwei Song & Qianfan Zhang, 2014. "Research on the Power Management Strategy of Hybrid Electric Vehicles Based on Electric Variable Transmissions," Energies, MDPI, vol. 7(2), pages 1-27, February.
    2. Abdelsalam Ahmed Abdelsalam & Shumei Cui, 2012. "A Fuzzy Logic Global Power Management Strategy for Hybrid Electric Vehicles Based on a Permanent Magnet Electric Variable Transmission," Energies, MDPI, vol. 5(4), pages 1-24, April.
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    Cited by:

    1. Qiwei Xu & Jing Sun & Wenjuan Wang & Yunqi Mao & Shumei Cui, 2018. "Design Optimization of an Electric Variable Transmission for Hybrid Electric Vehicles," Energies, MDPI, vol. 11(5), pages 1-18, May.
    2. Qiwei Xu & Jing Sun & Dewen Tian & Wenjuan Wang & Jianshu Huang & Shumei Cui, 2018. "Analysis and Design of a Compound-Structure Permanent-Magnet Motor for Hybrid Electric Vehicles," Energies, MDPI, vol. 11(8), pages 1-19, August.
    3. Qiwei Xu & Yunqi Mao & Meng Zhao & Shumei Cui, 2018. "A Hybrid Electric Vehicle Dynamic Optimization Energy Management Strategy Based on a Compound-Structured Permanent-Magnet Motor," Energies, MDPI, vol. 11(9), pages 1-17, August.

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