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A Family of Zero-Voltage-Transition Magnetic Coupling Bidirectional DC/DC Converters

Author

Listed:
  • Shanshan Wang

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310007, China)

  • Ming Gao

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310007, China)

  • Jianjiang Shi

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310007, China)

Abstract

In this paper, a family of zero-voltage-transition (ZVT) magnetic coupling bidirectional DC/DC converters (BDCs) is proposed. The coupling inductor has two functions: to serve as a filter; and to provide the auxiliary current. In addition, the phase-shifting control method is used to reduce the conduction loss of the auxiliary circuit. The auxiliary switches are all working under zero-current-switching (ZCS) conditions; thus, all the switches have no switching loss. Furthermore, compared with the traditional ZVT implementation method based on the coupled inductor, this topology avoids the input source current notch and has a smaller ripple. Finally, a prototype of 800 W BDC is built to verify the feasibility of the proposed topology.

Suggested Citation

  • Shanshan Wang & Ming Gao & Jianjiang Shi, 2023. "A Family of Zero-Voltage-Transition Magnetic Coupling Bidirectional DC/DC Converters," Energies, MDPI, vol. 16(12), pages 1-18, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:12:p:4760-:d:1172861
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    References listed on IDEAS

    as
    1. Dong-Ryeol Park & Yong Kim, 2021. "Design and Implementation of Improved High Step-Down DC-DC Converter for Electric Vehicles," Energies, MDPI, vol. 14(14), pages 1-19, July.
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