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Online Diagnosis of Inter-turn Short Circuit for Dual-Redundancy Permanent Magnet Synchronous Motor Based on Reactive Power Difference

Author

Listed:
  • Yiguang Chen

    (Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China)

  • Xiaobin Zhao

    (Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China)

  • Yukai Yang

    (Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China)

  • Yichen Shi

    (Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China)

Abstract

The Dual-Redundancy Permanent Magnet Synchronous Motor (DRPMSM) with weak thermal coupling and no electromagnetic coupling among phase windings has two sets of three-phase symmetrical windings. Under normal conditions, two sets of windings can operate simultaneously, and once one set has an inter-turn short circuit fault (ISCF), the other set will operate alone, so a DRPMSM can be applied in fields with high reliability requirements. According to the equivalent circuit principle, a simplified model of a DRPMSM when ISCF occurs is established in this paper, and mathematical equations for the equivalent resistance, inductance and induction electromotive force (EMF) are derived. Based on the simplified circuit principle and instantaneous power theory, combined with the analysis of the fundamental wave in the two sets, an online diagnosis method of the ISCF for DRPMSM is proposed based on the reactive power difference and the feasibility of the method is verified by experiments.

Suggested Citation

  • Yiguang Chen & Xiaobin Zhao & Yukai Yang & Yichen Shi, 2019. "Online Diagnosis of Inter-turn Short Circuit for Dual-Redundancy Permanent Magnet Synchronous Motor Based on Reactive Power Difference," Energies, MDPI, vol. 12(3), pages 1-18, February.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:3:p:510-:d:203761
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    References listed on IDEAS

    as
    1. 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.
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    Cited by:

    1. Wojciech Pietrowski & Konrad Górny, 2020. "Analysis of Torque Ripples of an Induction Motor Taking into Account a Inter-Turn Short-Circuit in a Stator Winding," Energies, MDPI, vol. 13(14), pages 1-19, July.
    2. Krzysztof Dziarski & Arkadiusz Hulewicz & Grzegorz Dombek, 2021. "Thermographic Measurement of the Temperature of Reactive Power Compensation Capacitors," Energies, MDPI, vol. 14(18), pages 1-16, September.
    3. Arkadiusz Hulewicz & Krzysztof Dziarski & Łukasz Drużyński & Grzegorz Dombek, 2023. "Thermogram Based Indirect Thermographic Temperature Measurement of Reactive Power Compensation Capacitors," Energies, MDPI, vol. 16(5), pages 1-18, February.

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