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283 / 2021-11-08 21:51:37
A Five-switches Dual-transformer LLC Converter for Wide Gain Range Application
LLC resonant converter,wide gain range,dual-transformer
Power electronics technology and application > Power converter topologies and design
Final Paper
Yixuan Wang / Huazhong University of Science and Technology
Yun Xu / Huazhong University of Science and Technology
The large-scale power fluctuation in the development of renewable energy demand a large voltage gain range of related DC/DC converter. This paper proposed a wide-gain range LLC resonant converter based on five-switches bridge. By changing the modulation principle, the proposed topology can work under high gain mode(HGM), medium gain mode(MGM) and low gain mode(LGM). The maximum gain of the converter is eight times the minimum gain. Then, the topology description, gain mode analysis, mode switching principle are analyzed. A 40-320V input, 96V output, 300W prototype is built to verify the proposed theory. ZVS turn-on of all MOSFETs on primary side can be realized from no load to full load. As a result, the designed prototype reaches a 96.4% peak efficiency.

 
Important Date

  • Conference Date

    Jul 11

    2023

    to

    Aug 18

    2023

  • Nov 10 2021

    Draft paper submission deadline

  • Dec 10 2021

    Registration deadline

  • Dec 11 2021

    Contribution Submission Deadline

Sponsored By
IEEE IAS
Organized By
IEEE IAS Student Chapter of Southwest Jiaotong University (SWJTU)
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
IEEE PELS (Power Electronics Society) Student Chapter of HUST
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