V2G充电桩的双向谐振变换器PFC优化调制策略

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（1985—），男，高级工程师，主要从事电动汽车充换电技术研究。

关键词：电车充电系统；三端口变换器；功率因数校正；优化调制中图分类号：TM46文献标志码：A 文章编号：2095-8188（2025）06-0032-06DOI：10.16628/j. cnki.2095-8188.2025.06.005

PFC Optimization Modulation Strategy for Bidirectional Resonant Converter of V2G Charging Station

HUI Qi， ZHANG Jianwei（Nari-Tech Nanjing Control Systems Co.，Ltd.，Nanjing 2111O2，China）

Abstract：To improvetheintegrationand performanceofthebidirectionalconverterfor electric vehicle bidirectional charging stations，a single-stage resonant three-port bidirectional converter with V2G，G2Vand H2L modes is proposed.First，theequivalent modelof theconverter is established，and the mathematical model for the output power is derived.Then，the working modes oftheconverter areanalyzed，and the resonant cavitycurrent is designed.An optimized modulation strategy is proposedthat balances low current stress and power factor correction （PFC）on the grid side.Finally，simulation analysis isconducted underPLECS.Theresultsshow that the converterachievesahigh power factoronthegrid sideunder both forwardandreverseoperatingconditions while maintaining lowcurrent stress.Theproposed optimization modulation strategy helps to improve theconverter’s efficiency and the utilization rate of electrical energy in the power supply lines.

Key words ： vehicle charging system; three-port converter; power factor correction； optimization modulation

0 引言

近年来，电动汽车行业迅速发展[1-3]。（剩余6165字）