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Wide-voltage Hybrid Bridge Bidirectional DC-DC Converter
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Shuangming DUAN1, Yuqi HAN1, Junhui LI1, Zhiqiang ZHAO2, Haojun LIU2
Journal of Power Supply | 2026, 24(4) : 19 - 26
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Journal of Power Supply | 2026, 24(4): 19-26
• Power Converter Topologies •
Wide-voltage Hybrid Bridge Bidirectional DC-DC Converter
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Shuangming DUAN1, Yuqi HAN1, Junhui LI1, Zhiqiang ZHAO2, Haojun LIU2
Affiliations
  • 1.Key Laboratory of Modern Power System Simulation Control and New Green Power Technology of Ministry of Education (Northeast Electric Power University), Jilin 132012, China
  • 2.State Grid Hami Power Supply Company, Hami 839000, China
Published: 2026-04-30 doi: 10.13234/j.issn.2095-2805.2026.4.19
Outline
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A wide-voltage hybrid bridge bidirectional DC-DC converter is proposed. Compared with the CLLC converter, the proposed converter adds linear bridge arms on both sides, so as to improve its gain range and reduce the switching frequency and feedback current. A dynamic control method of pulse-shift modulation is put forward, which can effectively suppress the overvoltage at the inductor terminal in the energy transmission process. In addition, this method also has a function of control initialization. In all of its operating modes, the converter can realize soft switching. A prototype of a bidirectional DC-DC converter with a wide-voltage hybrid bridge was designed, and the correctness and effectiveness of the proposed converter topology and control strategy were verified by experimental results.

Bidirectional CLLC converter  /  wide voltage  /  pulse-shift modulation  /  hybrid bridge  /  soft switching
段双明, 韩宇祺, 李军徽, 赵志强, 刘浩军. 一种宽电压混合桥双向DC-DC变换器. 电源学报, 2026 , 24 (4) : 19 -26 . DOI: 10.13234/j.issn.2095-2805.2026.4.19
Shuangming DUAN, Yuqi HAN, Junhui LI, Zhiqiang ZHAO, Haojun LIU. Wide-voltage Hybrid Bridge Bidirectional DC-DC Converter[J]. Journal of Power Supply, 2026 , 24 (4) : 19 -26 . DOI: 10.13234/j.issn.2095-2805.2026.4.19
Funding
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  • Xinjiang Uygur Autonomous Region Key R&D Special Project(2022B01019-1)
Appendix
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Year 2026 volume 24 Issue 4
34
3
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.4.19
  • Receive Date：2023-12-12
  • Online Date：2026-10-29
  • Published：2026-04-30
Article Data
Affiliations
History
  • Received：2023-12-12
  • Revised：2024-01-23
  • Accepted：2024-02-03
Funding
Xinjiang Uygur Autonomous Region Key R&D Special Project(2022B01019-1)
Affiliations
    1.Key Laboratory of Modern Power System Simulation Control and New Green Power Technology of Ministry of Education (Northeast Electric Power University), Jilin 132012, China
    2.State Grid Hami Power Supply Company, Hami 839000, China
References
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