A direct bidirectional isolated AC-DC converter for V2G and G2V application

Jiaxin Hu; Jiangpeng Li; Panbao Wang; Dianguo Xu

doi:10.1117/12.2640177

1 August 2022 A direct bidirectional isolated AC-DC converter for V2G and G2V application

Jiaxin Hu, Jiangpeng Li, Panbao Wang, Dianguo Xu

Proceedings Volume 12257, 4th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2022); 1225747 (2022) https://doi.org/10.1117/12.2640177
Event: 4th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2022), 2022, Guangzhou, China

Abstract

In order to cope with the sudden increase in the number of electric vehicles and solve the problem of bidirectional energy flow between them and the power grid. In this paper, a direct-connected single-phase single-stage isolated bidirectional AC-DC converter based on the dual active full bridge topology is proposed. So that the shortcomings of the traditional two-stage AC-DC converter such as low efficiency and poor reliability are avoided. At the same time, there is a zero vector PWM modulation strategy based on phase-shift modulation designed, which can realize open-loop power factor correction and synchronous rectification. It enables the converter to provide a freewheeling path during the blocking time without any snubber circuit. Finally, the system simulation verification is carried out on the PLECS simulation platform, and a 300W experimental prototype is built to verify the effectiveness of the proposed scheme.

Citation Download Citation

Jiaxin Hu, Jiangpeng Li, Panbao Wang, and Dianguo Xu "A direct bidirectional isolated AC-DC converter for V2G and G2V application", Proc. SPIE 12257, 4th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2022), 1225747 (1 August 2022); https://doi.org/10.1117/12.2640177

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