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Investigation of a Five-Phase Dual-Rotor Permanent Magnet Synchronous Motor Used for Electric Vehicles

Author

Listed:
  • Yumeng Li

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

  • Jing Zhao

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

  • Zhen Chen

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

  • Xiangdong Liu

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

Abstract

This paper presents a novel five-phase permanent magnet synchronous motor (PMSM), which contains dual rotors and a single stator, equivalent to two five-phase motors working together. Thus, this kind of motor has the potential of good fault tolerant capability and high torque density, which makes it appropriate for use in electric vehicles. In view of the different connection types, the inside and outside stator windings can be driven in series or parallel, which results in the different performances of the magnetomotive force (MMF) and torque under open-circuit fault conditions. By decomposing the MMF, the reason that torque ripple increases after open-circuit faults is explained, and the relationship between MMF and torque is revealed. Then, the current control strategy is applied to adjust the open-circuit faults, and the electromagnetic analysis and MMF harmonics analysis are performed to interpret the phenomenon that the torque ripple is still larger than in the normal situation. The investigations are verified by finite element analysis results.

Suggested Citation

  • Yumeng Li & Jing Zhao & Zhen Chen & Xiangdong Liu, 2014. "Investigation of a Five-Phase Dual-Rotor Permanent Magnet Synchronous Motor Used for Electric Vehicles," Energies, MDPI, vol. 7(6), pages 1-30, June.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:6:p:3955-3984:d:37426
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    Citations

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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. Jing Zhao & Wei Liu & Bin Li & Xiangdong Liu & Congzhe Gao & Zhongxin Gu, 2015. "Investigation of Electromagnetic, Thermal and Mechanical Characteristics of a Five-Phase Dual-Rotor Permanent-Magnet Synchronous Motor," Energies, MDPI, vol. 8(9), pages 1-31, September.
    3. Qingsong Wang & Shuangxia Niu, 2015. "Electromagnetic Design and Analysis of a Novel Fault-Tolerant Flux-Modulated Memory Machine," Energies, MDPI, vol. 8(8), pages 1-17, August.
    4. 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.
    5. Jing Zhao & Xu Gao & Bin Li & Xiangdong Liu & Xing Guan, 2015. "Open-Phase Fault Tolerance Techniques of Five-Phase Dual-Rotor Permanent Magnet Synchronous Motor," Energies, MDPI, vol. 8(11), pages 1-29, November.

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