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Comparative Study of a Fault-Tolerant Multiphase Wound-Field Doubly Salient Machine for Electrical Actuators

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  • Li-Wei Shi

    (Aero-Power Science Technology Center, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

  • Bo Zhou

    (Aero-Power Science Technology Center, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

Abstract

New multiphase Wound-Field Doubly Salient Machines (WFDSMs) for electrical actuators with symmetric phases are investigated and compared in this paper. With a comparative study of the pole number and pole arc coefficient, the salient pole topology of the three-phase, four-phase, five-phase, and six-phase WFDSMs with little cogging torque is presented. A new winding configuration that can provide symmetrical phases for the multiphase WFDSMs is proposed. Suitable fault-tolerant converters for the multiphase WFDSM are presented. With the simulated results in terms of the pole topology, flux linkage, back EMF and converters, it can be concluded that the pole numbers of the new five-phase WFDSM are very large. The high accuracy position sensors should be required to make the five-phase WFDSM commutate frequently and accurately at a high speed. The four-phase and the six-phase WFDSM can be divided into two isolated channels, and both of them have a good performance as a fault-tolerant machine. All of the investigations are verified by finite element analysis results.

Suggested Citation

  • Li-Wei Shi & Bo Zhou, 2015. "Comparative Study of a Fault-Tolerant Multiphase Wound-Field Doubly Salient Machine for Electrical Actuators," Energies, MDPI, vol. 8(5), pages 1-21, April.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:5:p:3640-3660:d:48927
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    References listed on IDEAS

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    1. Yi Sui & Ping Zheng & Fan Wu & Bin Yu & Pengfei Wang & Jiawei Zhang, 2014. "Research on a 20-Slot/22-Pole Five-Phase Fault-Tolerant PMSM Used for Four-Wheel-Drive Electric Vehicles," Energies, MDPI, vol. 7(3), pages 1-23, March.
    2. Christopher I. Hill & Pericle Zanchetta & Serhiy V. Bozhko, 2012. "Accelerated Electromechanical Modeling of a Distributed Internal Combustion Engine Generator Unit," Energies, MDPI, vol. 5(7), pages 1-16, July.
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    Cited by:

    1. Liwei Shi & Bing Yan & Xiaoyu Zhou & Xueyi Zhang, 2018. "Open-Circuit Fault-Tolerant Characteristics of a New Four-Phase Doubly Salient Electro-Magnetic Generator," Sustainability, MDPI, vol. 10(11), pages 1-16, November.
    2. Paul Stewart & Chris Bingham, 2016. "Electrical Power and Energy Systems for Transportation Applications," Energies, MDPI, vol. 9(7), pages 1-3, July.

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