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An Novel Six-Segment Modulation Strategy for Three-Phase Isolated PFC Converter

Author

Listed:
  • Huaibao Wang

    (Electrical Engineering Department, Yanshan University, Qinhuangdao 066004, China)

  • Sheng Wang

    (Electrical Engineering Department, Yanshan University, Qinhuangdao 066004, China)

  • Hao Ding

    (Electrical Engineering Department, Yanshan University, Qinhuangdao 066004, China)

  • Changli Shi

    (Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China)

  • Dongqiang Jia

    (State Grid Beijing Electric Power Company, Beijing 100031, China)

  • Chao Chen

    (State Grid Jiaxing Electric Power Supply Company, Jiaxing 314001, China)

  • Josep M. Guerrero

    (Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark)

Abstract

A three-phase isolated rectifier features bidirectional power conversion and galvanic isolation, and is attractive as a high-efficiency energy conversion system. However, when a conventional modulation is applied to this rectifier, the excessive DC-link current ripple will result in increasing switching losses or the size of DC-link inductance, which is not cost-effective. In order to effectively reduce the current ripple, this paper proposes a “six segment” PWM (Pulse Width Modulation) strategy. It can significantly reduce the current ripple compared with the existing “eight segment” PWM strategy. Meanwhile, the current quality of the grid is improved. Finally, the experimental tests were carried out. The experimental results reveal that, compared to the traditional “eight segment” PWM, the dc-side current ripple significantly reduced from 2 A to 0.8 A, the total harmonic distortion significantly reduced from 5.69% to 2.41%, and the power factor increased from 0.87 to 0.99, verifying the effectiveness of the proposed method.

Suggested Citation

  • Huaibao Wang & Sheng Wang & Hao Ding & Changli Shi & Dongqiang Jia & Chao Chen & Josep M. Guerrero, 2022. "An Novel Six-Segment Modulation Strategy for Three-Phase Isolated PFC Converter," Energies, MDPI, vol. 15(7), pages 1-14, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:7:p:2598-:d:785772
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    References listed on IDEAS

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    1. Andrzej Sikorski & Piotr Falkowski & Marek Korzeniewski, 2021. "Comparison of Two Power Converter Topologies in Wind Turbine System," Energies, MDPI, vol. 14(20), pages 1-16, October.
    2. Vu-Hai Nam & Duong-Van Tinh & Woojin Choi, 2021. "A Novel Hybrid LDC Converter Topology for the Integrated On-Board Charger of Electric Vehicles," Energies, MDPI, vol. 14(12), pages 1-18, June.
    3. Nuofan Zou & Yan Yan & Tingna Shi & Peng Song, 2021. "Wide Speed Range Operation Strategy of Indirect Matrix Converter–Surface Mounted Permanent Magnet Synchronous Motor Drive," Energies, MDPI, vol. 14(8), pages 1-24, April.
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