Analysis and research of phase-shift push-pull forward ZVS converter

Guolin Wei; Longjie Sun; Jiaan Yi; Yaqiang Yang

doi:10.1117/12.2680515

31 May 2023 Analysis and research of phase-shift push-pull forward ZVS converter

Guolin Wei, Longjie Sun, Jiaan Yi, Yaqiang Yang

Proceedings Volume 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023); 127040D (2023) https://doi.org/10.1117/12.2680515
Event: 8th International Symposium on Advances in Electrical, Electronics and Computer Engineering (ISAEECE 2023), 2023, Hangzhou, China

Abstract

Push forward converter is constrained by its switching loss under high frequency conditions, so it has to use heat sink to increase the volume of the converter, which is contrary to the design concept of small volume and high power density. Based on the traditional push-pull forward converter, this paper adopts phase-shifting control to realize ZVS of the primary side switch through LC resonance generated by the parallel capacitor of the primary side switch, the primary side leakage inductance and the secondary side filter inductance. At the same time, the dead time is set by calculating the duration of each mode in half a cycle. Finally, saber simulation is used to verify the feasibility of realizing ZVS of the push-pull forward converter, so as to provide a basis for the high power It provides a reference for the application under high frequency conditions.

Citation Download Citation

Guolin Wei, Longjie Sun, Jiaan Yi, and Yaqiang Yang "Analysis and research of phase-shift push-pull forward ZVS converter", Proc. SPIE 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023), 127040D (31 May 2023); https://doi.org/10.1117/12.2680515

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