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High-Frequency Modeling and Filter Design for PWM Drives with Long Cables

Author

Listed:
  • Lei Wang

    (College of Electrical and Engineering, Zhejiang University, Hangzhou 310027, China)

  • Yifan Zhang

    (Polytechnic Institute, Zhejiang University, Hangzhou 310027, China)

  • Muhammad Saqib Ali

    (College of Electrical and Engineering, Zhejiang University, Hangzhou 310027, China)

  • Guozhu Chen

    (College of Electrical and Engineering, Zhejiang University, Hangzhou 310027, China)

  • Josep M. Guerrero

    (Center for Research on Microgrids (CROM), Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark)

  • Juan C. Vasquez

    (Center for Research on Microgrids (CROM), Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark)

Abstract

Aiming at the problems emerging in a pulse width modulation (PWM) drive system with long cables, the accurate modeling of power cables is the premise for predicting and analyzing these relevant phenomena, and a proper filter design is the key solution to these problems. This paper proposes high-frequency cable models to represent these frequency-dependent characteristics, especially for the high-frequency resistance of cables, which is an easily overlooked factor that determines the damping of overvoltage. The proposed models can be used for accurately representing the cable characteristics in a wide frequency range, and correctly simulating the differential mode (DM) overvoltage and common mode (CM) current, including the peak value, oscillation frequency, and damping of the transient waveform. In addition, improved filter networks are proposed to suppress the DM voltage and CM current, with the merit of low losses, small volume, and excellent abilities for suppressing overvoltage. The proposed cable models and the filter design were validated in a 750 W PWM drive system with 200 m power cables.

Suggested Citation

  • Lei Wang & Yifan Zhang & Muhammad Saqib Ali & Guozhu Chen & Josep M. Guerrero & Juan C. Vasquez, 2021. "High-Frequency Modeling and Filter Design for PWM Drives with Long Cables," Energies, MDPI, vol. 14(4), pages 1-18, February.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:4:p:1155-:d:503524
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