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Overvoltage at motor terminals in SiC-based PWM drives

Author

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  • Taghia, Bouazza
  • Cougo, Bernardo
  • Piquet, Hubert
  • Malec, David
  • Belinger, Antoine
  • Carayon, Jean-Pierre

Abstract

Key points in the development of More Electrical Aircraft (MEA) are currently DC power distribution in higher voltage levels (540 V) and the use of disruptive technology such as Wide BandGap (WBG) semiconductors in power inverters. Using WBG components (SiC and GaN) increases the power converter mass density. However, fast switching of WBG components (tens of kV/μs) induces voltage transient overshoots due to parasitic elements within the inverter. In addition, propagation and reflection phenomena along the harness connected to this inverter, even for small lengths, cause a significant voltage overshoot across the loads. Such overvoltage in Adjustable Speed Drives (ASD: association of inverter, harness and motor) supplied by the new HVDC 540 V aeronautical network could be fatal for the Electrical Insulation System (EIS). This paper proposes a fast and accurate modeling methodology to predict transient overvoltage; it allows us to analyze the impact of SiC inverter technology on overvoltage at motor terminals.

Suggested Citation

  • Taghia, Bouazza & Cougo, Bernardo & Piquet, Hubert & Malec, David & Belinger, Antoine & Carayon, Jean-Pierre, 2019. "Overvoltage at motor terminals in SiC-based PWM drives," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 158(C), pages 264-280.
    • Handle: RePEc:eee:matcom:v:158:y:2019:i:c:p:264-280
    DOI: 10.1016/j.matcom.2018.09.009
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    References listed on IDEAS

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    1. Amarir, Saïd & Al-Haddad, Kamal, 2010. "A new mathematical tool to investigate the influence of cable characteristics and IGBT fast switching on voltage transients and differential mode currents for PWM drives," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 81(2), pages 180-193.
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    Cited by:

    1. Yatai Ji & Paolo Giangrande & Vincenzo Madonna & Weiduo Zhao & Michael Galea, 2021. "Reliability-Oriented Design of Inverter-Fed Low-Voltage Electrical Machines: Potential Solutions," Energies, MDPI, vol. 14(14), pages 1-25, July.

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