A Fixed Frequency Zero-Voltage-Switching On-Board EV Charger

被引：7

作者：

Hu, Changsheng ^{[1
]}

Wang, Ruizhe ^{[1
]}

Shi, Yunpeng ^{[1
]}

Jia, Xiaoyu ^{[1
]}

Xu, Dehong ^{[1
]}

机构：

[1] Zhejiang Univ, Inst Power Elect, Hangzhou 310058, Peoples R China

来源：

IEEE OPEN JOURNAL OF POWER ELECTRONICS | 2022年 / 3卷

关键词：

Switches; Zero voltage switching; Topology; Bridge circuits; Switching frequency; Pulse width modulation; Soft switching; On-board-charger; zero-voltage-switching; soft-switching; electric vehicle; HIGH-EFFICIENCY; CONVERTER;

D O I：

10.1109/OJPEL.2021.3133618

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For electric vehicle (EV) onboard charging, high efficiency and power density of the charger is required. Soft switching technique is an effective way to increase On-Board Charger (OBC) power density and efficiency. This paper presents a fixed frequency zero-voltage-switching OBC topology which can realize Zero-Voltage-Switching (ZVS) of all the power semiconductor devices. An auxiliary resonant branch is used to realize Zero-Voltage-Switching for both front-end full-bridge rectifier and phase-shift full-bridge dc-dc converter. A novel PWM scheme is proposed for the OBC topology. ZVS conditions are derived. Finally, the proposed OBC is verified by the experiment.

引用

页码：75 / 83

页数：9

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