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Boost Converter with Main Switch Possessing ZVT and ZCT and Auxiliary Switch Possessing ZCS

Author

Listed:
  • Kuo-Ing Hwu

    (Department of Electrical Engineering, National Taipei University of Technique, 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan)

  • Zhi-Fan Lin

    (FSP Technique Inc., No. 22, Jianguo E. Rd., Taoyuan Dist., Taoyuan City 33068, Taiwan)

  • Pei-Ching Tseng

    (Department of Electrical Engineering, National Taipei University of Technique, 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan)

Abstract

In this paper, a zero-voltage and zero-current transition (ZVZCT) boost converter is presented with a small number of auxiliary components, such as a resonant capacitor, a resonant inductor and an auxiliary power switch, to produce a main power switch with both zero-voltage switching (ZVS) and zero-current switching (ZCS). Furthermore, the auxiliary power switch also has zero current switching. In addition, a look-up table is employed to implement an auto-tuning technique to regulate the trigger position and turn-on time of the auxiliary power switch, to further improve efficiency, especially at light load, thereby making the overall efficiency of the converter present a horizontal curve. Moreover, in terms of the system control, the digital controller is implemented directly from the z-domain, and the field programmable gate array (FPGA) is utilized as the system control kernel to achieve a fully digitalized control system. The simulated results are used to demonstrate the feasibility of the proposed converter, whereas the experimental results are used to verify its effectiveness.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:14:p:5504-:d:1198460
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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.
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