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Improved SVPWM Fault-Tolerant Control Strategy for Five-Phase Permanent-Magnet Motor

Author

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  • Liang Xu

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Key Laboratory of Drive and Intelligent Control for Electric Vehicle, Zhenjiang 212013, China)

  • Wenxiang Zhao

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Key Laboratory of Drive and Intelligent Control for Electric Vehicle, Zhenjiang 212013, China)

  • Guohai Liu

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Key Laboratory of Drive and Intelligent Control for Electric Vehicle, Zhenjiang 212013, China)

Abstract

Multiphase permanent-magnet motors have received a lot of attention in the past few years owing to the merits of high power density, high efficiency and high fault-tolerant capability. Particularly, high fault tolerance is very desirable for safety-critical applications. This paper proposes an improved space vector pulse-width modulation (SVPWM) fault-tolerant control for five-phase permanent-magnet motors. First, generalized five-phase SVPWM fault-tolerant control is deduced and analyzed based on single-phase open-circuit fault, thus obtaining various SVPWM fault-tolerant control strategies and yielding a greatly increased capacity to enhance fault-tolerant performance of motor. Then, an improved SVPWM fault-tolerant control strategy with increased DC bus voltage utilization and reduced current harmonics is proposed and compared with the traditional one. Last, effectiveness and superiority of the proposed control strategy is verified by both simulation and experimental results on a five-phase permanent-magnet motor.

Suggested Citation

  • Liang Xu & Wenxiang Zhao & Guohai Liu, 2019. "Improved SVPWM Fault-Tolerant Control Strategy for Five-Phase Permanent-Magnet Motor," Energies, MDPI, vol. 12(24), pages 1-15, December.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:24:p:4626-:d:294634
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    References listed on IDEAS

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    1. Ping Zheng & Fan Wu & Yu Lei & Yi Sui & Bin Yu, 2013. "Investigation of a Novel 24-Slot/14-Pole Six-Phase Fault-Tolerant Modular Permanent-Magnet In-Wheel Motor for Electric Vehicles," Energies, MDPI, vol. 6(10), pages 1-23, September.
    2. Yujun Shi & Linni Jian, 2018. "A Novel Dual-Permanent-Magnet-Excited Machine with Flux Strengthening Effect for Low-Speed Large-Torque Applications," Energies, MDPI, vol. 11(1), pages 1-17, January.
    3. Christopher H. T. Lee & Matthew Angle & Krishan Kant Bhalla & Mohammad Qasim & Jie Mei & Sajjad Mohammadi & K. Lakshmi Varaha Iyer & Jasmin Jijina Sinkular & James L. Kirtley, 2018. "Quantitative Comparison of Vernier Permanent-Magnet Motors with Interior Permanent-Magnet Motor for Hybrid Electric Vehicles," Energies, MDPI, vol. 11(10), pages 1-15, September.
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    Cited by:

    1. Fernando Acosta-Cambranis & Jordi Zaragoza & Luis Romeral & Néstor Berbel, 2020. "Comparative Analysis of SVM Techniques for a Five-Phase VSI Based on SiC Devices," Energies, MDPI, vol. 13(24), pages 1-25, December.
    2. Dingyu Wang & Yiguang Chen, 2020. "Fault-Tolerant Control of Coil Inter-Turn Short-Circuit in Five-Phase Permanent Magnet Synchronous Motor," Energies, MDPI, vol. 13(21), pages 1-19, October.

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