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Active-Clamp Dual-Transformer ZVS Flyback Converter

Author

Listed:
  • Pei-Ching Tseng

    (Department of Electrical Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan)

  • Kuo-Ing Hwu

    (Department of Electrical Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan)

  • Yu-Lin Chen

    (Department of Electrical Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan)

  • Jenn-Jong Shieh

    (Department of Electrical Engineering, Feng Chia University, No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan)

Abstract

In order to upgrade the ability of the traditional flyback converter to transfer energy to the load, a dual-flyback converter with two active clamping circuits is added, using the same clamping capacitor to recover the leakage inductance energy. Furthermore, no additional resonant inductor is needed, and both the switches have zero voltage switching (ZVS) to reduce the switching loss. In addition, full-wave rectification is used on the secondary side to decrease the output voltage ripple frequency, which makes it easy to design the output filter.

Suggested Citation

  • Pei-Ching Tseng & Kuo-Ing Hwu & Yu-Lin Chen & Jenn-Jong Shieh, 2025. "Active-Clamp Dual-Transformer ZVS Flyback Converter," Energies, MDPI, vol. 18(13), pages 1-22, June.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:13:p:3331-:d:1686968
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    References listed on IDEAS

    as
    1. Yeu-Torng Yau & Kuo-Ing Hwu & Jenn-Jong Shieh, 2020. "Simple Structure of Soft Switching for Boost Converter," Energies, MDPI, vol. 13(20), pages 1-17, October.
    2. Kuo-Ing Hwu & Zhi-Fan Lin & Pei-Ching Tseng, 2023. "Boost Converter with Main Switch Possessing ZVT and ZCT and Auxiliary Switch Possessing ZCS," Energies, MDPI, vol. 16(14), pages 1-25, July.
    Full references (including those not matched with items on IDEAS)

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