Performance evaluation of minimum backflow power and current stress optimization strategy for dual-active-bridge converter

Chengshi Zheng; Jian Li; Gaoyang Zheng; Pengju Jia; Panbao Wang

doi:10.1117/12.3037928

27 September 2024 Performance evaluation of minimum backflow power and current stress optimization strategy for dual-active-bridge converter

Chengshi Zheng, Jian Li, Gaoyang Zheng, Pengju Jia, Panbao Wang

Author Affiliations +

Proceedings Volume 13275, Sixth International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2024); 132752A (2024) https://doi.org/10.1117/12.3037928
Event: 6th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2024), 2024, Wuhan, China

Abstract

This article discusses the optimization evaluation of dual active bridge (DAB) converter under current stress optimization and minimum backflow power scheme. A large-signal model with the transferred power as the control quantity is built, and a closed-loop control method based on direct power control is proposed to realize the precise modulation of the output voltage. Based on this, the current stress optimization scheme and minimum backflow power scheme are designed by modulating the inner phase shift ratio and outer phase shift ratio. The computational results show that current stress minimization performs better compared to the minimum backflow power scheme.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chengshi Zheng, Jian Li, Gaoyang Zheng, Pengju Jia, and Panbao Wang "Performance evaluation of minimum backflow power and current stress optimization strategy for dual-active-bridge converter", Proc. SPIE 13275, Sixth International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2024), 132752A (27 September 2024); https://doi.org/10.1117/12.3037928

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