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Space Vector Modulation (SVM)-Based Common-Mode Current (CMC) Reduction Method of H8 Inverter for Permanent Magnet Synchronous Motor (PMSM) Drives

Author

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  • Won-Sang Jeong

    (Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea)

  • Yoon-Seong Lee

    (Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea)

  • Jung-Hyo Lee

    (Department of Electrical Engineering, Kunsan National University, Kunsan 54150, Korea)

  • Chang-Hee Lee

    (Dawonsys Co., Ltd., Anyang 15655, Korea)

  • Chung-Yuen Won

    (Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea)

Abstract

This paper proposes a space vector modulation (SVM)-based common-mode (CM) currents reduction method of an H8 inverter for permanent magnet synchronous motor (PMSM) drives. There are power quality issues in the PMSM drive systems, such as current distortions and CM electromagnetic interference (EMI) due to the fast-switching operation of the inverter. These issues are related to CM voltage (CMV) and CM current (CMC). Although several studies have been conducted to reduce the CMV and CMC, some CMV variations and CMCs are still generated in the real implementation. Unlike conventional methods, the proposed method selects the voltage vectors with similar CMV levels and arranges them considering the series-connected switch operation of the H8 inverter in a voltage vector modulation sequence. At a low modulation index (MI), the proposed method completely restricts the CMV variations into six times. At high MI, the proposed method synthesizes the reference voltage vector differently, depending on the position of the reference vector, to reduce both current distortions and CMCs. The validity of the proposed method is verified through simulations and experimental results.

Suggested Citation

  • Won-Sang Jeong & Yoon-Seong Lee & Jung-Hyo Lee & Chang-Hee Lee & Chung-Yuen Won, 2021. "Space Vector Modulation (SVM)-Based Common-Mode Current (CMC) Reduction Method of H8 Inverter for Permanent Magnet Synchronous Motor (PMSM) Drives," Energies, MDPI, vol. 15(1), pages 1-25, December.
    • Handle: RePEc:gam:jeners:v:15:y:2021:i:1:p:266-:d:715466
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    References listed on IDEAS

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    1. Robles, Endika & Fernandez, Markel & Andreu, Jon & Ibarra, Edorta & Ugalde, Unai, 2021. "Advanced power inverter topologies and modulation techniques for common-mode voltage elimination in electric motor drive systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 140(C).
    2. Endika Robles & Markel Fernandez & Edorta Ibarra & Jon Andreu & Iñigo Kortabarria, 2019. "Mitigation of Common Mode Voltage Issues in Electric Vehicle Drive Systems by Means of an Alternative AC-Decoupling Power Converter Topology," Energies, MDPI, vol. 12(17), pages 1-27, August.
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