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Modulation Strategy and Analysis of LCL-type Full-half Bridge Resonant Converter
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Zhijian LI1, 2, Rui WANG3, Song HU  Member, CPSS2, Yue XU2, Wu CHEN  Senior Member, CPSS4, Xiaodong LI3
Journal of Power Supply | 2026, 24(1) : 31 - 39
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Journal of Power Supply | 2026, 24(1): 31-39
• Power Converter Topologies •
Modulation Strategy and Analysis of LCL-type Full-half Bridge Resonant Converter
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Zhijian LI1, 2, Rui WANG3, Song HU  Member, CPSS2, Yue XU2, Wu CHEN  Senior Member, CPSS4, Xiaodong LI3
Affiliations
  • 1.College of New Energy & Materials, Northeast Petroleum University, Daqing 163000, China
  • 2.School of Electrical Engineering and Automation, Suzhou University of Technology, Suzhou 215500, China
  • 3.Faculty of Innovation Engineering, Macau University of Science and Technology, Macau 999078, China
  • 4.School of Electrical Engineering, Southeast University, Nanjing 210000, China
Published: 2026-01-30 doi: 10.13234/j.issn.2095-2805.2026.1.31
Outline
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An enhanced extended phase shift modulation strategy for an LCL-type full-half bridge resonant converter is proposed, which can achieve zero voltage switching (ZVS) for all the switches while eliminating the backflow power on the primary side. Meanwhile, the half-bridge structure on the secondary side enhances the cost-effectiveness of the converter under low-power conditions. The steady-state analysis of the converter is performed by using fundamental harmonic approximation, so as to derive a power model and the corresponding ZVS conditions. In addition, simulations are conducted using the software PSIM. Finally, a 300 W experimental prototype was built, and results verified the feasibility of the theory.

Zero voltage switching (ZVS)  /  resonant converter  /  backflow power
李志健, 汪锐, 胡松中国电源学会会员, 徐越, 陈武中国电源学会高级会员, 李晓东. LCL型全-半桥谐振变换器调制策略及分析. 电源学报, 2026 , 24 (1) : 31 -39 . DOI: 10.13234/j.issn.2095-2805.2026.1.31
Zhijian LI, Rui WANG, Song HU, Yue XU, Wu CHEN, Xiaodong LI. Modulation Strategy and Analysis of LCL-type Full-half Bridge Resonant Converter[J]. Journal of Power Supply, 2026 , 24 (1) : 31 -39 . DOI: 10.13234/j.issn.2095-2805.2026.1.31
Appendix
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Year 2026 volume 24 Issue 1
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.1.31
  • Receive Date：2024-09-25
  • Online Date：2026-10-26
  • Published：2026-01-30
Article Data
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History
  • Received：2024-09-25
  • Revised：2024-11-16
  • Accepted：2024-12-30
Affiliations
    1.College of New Energy & Materials, Northeast Petroleum University, Daqing 163000, China
    2.School of Electrical Engineering and Automation, Suzhou University of Technology, Suzhou 215500, China
    3.Faculty of Innovation Engineering, Macau University of Science and Technology, Macau 999078, China
    4.School of Electrical Engineering, Southeast University, Nanjing 210000, China
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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