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Research on an Axial Flux PMSM with Radially Sliding Permanent Magnets

Author

Listed:
  • Jing Zhao

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China
    School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150080, China)

  • Bin Li

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

  • Zhongxin Gu

    (School of Automation, Beijing Institute of Technology, Beijing 100081, China)

Abstract

Axial flux permanent-magnet synchronous machines (PMSMs) are very suitable candidates for the power train of electric vehicles (EVs) due to high power density and high efficiency. This paper researches an axial flux PMSM with radially sliding permanent magnets (PMs) to fulfill field-weakening control. The field weakening principle and the structure of this kind of axial flux PMSM by mechanical method of sliding PMs are proposed and analyzed. The influences of radially sliding PMs on magnetic flux density distribution, inductance, flux linkage and torque are analyzed and discussed based on 3D finite element method (FEM). The field weakening capabilities by mechanical method and electrical method are compared. The field weakening capability of the machine can be much improved by the optimized combination of the two methods, which is very satisfying for EV drive application. The forces on the PMs are analyzed and calculated. The hysteretic characteristics caused by the friction of the PMs are investigated, which provide useful reference for designing this kind of machine.

Suggested Citation

  • Jing Zhao & Bin Li & Zhongxin Gu, 2015. "Research on an Axial Flux PMSM with Radially Sliding Permanent Magnets," Energies, MDPI, vol. 8(3), pages 1-22, February.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:3:p:1663-1684:d:46211
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    References listed on IDEAS

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    1. Christopher H. T. Lee & Chunhua Liu & K. T. Chau, 2014. "A Magnetless Axial-Flux Machine for Range-Extended Electric Vehicles," Energies, MDPI, vol. 7(3), pages 1-17, March.
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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. Zhen Tian & Chengning Zhang & Shuo Zhang, 2017. "Analytical Calculation of Magnetic Field Distribution and Stator Iron Losses for Surface-Mounted Permanent Magnet Synchronous Machines," Energies, MDPI, vol. 10(3), pages 1-12, March.
    3. Yiguang Chen & Xuemin Chen & Yonghuan Shen, 2018. "On-Line Detection of Coil Inter-Turn Short Circuit Faults in Dual-Redundancy Permanent Magnet Synchronous Motors," Energies, MDPI, vol. 11(3), pages 1-31, March.
    4. Jianfei Zhao & Minqi Hua & Tingzhang Liu, 2018. "Research on a Sliding Mode Vector Control System Based on Collaborative Optimization of an Axial Flux Permanent Magnet Synchronous Motor for an Electric Vehicle," Energies, MDPI, vol. 11(11), pages 1-16, November.
    5. Alireza Rasekh & Peter Sergeant & Jan Vierendeels, 2016. "Development of Correlations for Windage Power Losses Modeling in an Axial Flux Permanent Magnet Synchronous Machine with Geometrical Features of the Magnets," Energies, MDPI, vol. 9(12), pages 1-17, November.
    6. Xing Liu & Jinhua Du & Deliang Liang, 2016. "Analysis and Speed Ripple Mitigation of a Space Vector Pulse Width Modulation-Based Permanent Magnet Synchronous Motor with a Particle Swarm Optimization Algorithm," Energies, MDPI, vol. 9(11), pages 1-15, November.
    7. Feng Chai & Yunlong Bi & Yulong Pei, 2017. "Magnet Shape Optimization of Two-Layer Spoke-Type Axial Flux Interior Permanent Magnet Machines," Energies, MDPI, vol. 11(1), pages 1-14, December.

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