Parallel-connected bidirectional current-fed dual active bridge DC-DC converters with decentralized control

Deshang Sha, Wenqi Yuan, Guo Xu, Fulin You, Jianliang Chen

科研成果: 书/报告/会议事项章节会议稿件同行评审

7 引用 (Scopus)
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摘要

A decentralized control strategy with improved droop control is proposed for parallel-connected current-fed bidirectional DC-DC converters to achieve the flexible power architecture and modular design. The step-up or step-down function depends on the power flow direction. An improved droop control strategy is implemented by sensing the high-voltage side (HVS) voltage and low-voltage side (LVS) current. The operation principle and power sharing characteristics are analyzed. The system stability is demonstrated in detail based on small-signal model. Excellent power sharing can be achieved not only under steady state but also in dynamics. Besides, the system has the hot-swapping feature. A 2.5kW prototype composed of two modules is established to verify the effectiveness of the proposed control strategy.

源语言英语
主期刊名ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781509007370
DOI
出版状态已出版 - 2016
活动2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016 - Milwaukee, 美国
期限: 18 9月 201622 9月 2016

出版系列

姓名ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings

会议

会议2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016
国家/地区美国
Milwaukee
时期18/09/1622/09/16

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引用此

Sha, D., Yuan, W., Xu, G., You, F., & Chen, J. (2016). Parallel-connected bidirectional current-fed dual active bridge DC-DC converters with decentralized control. 在 ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings 文章 7855329 (ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE.2016.7855329