[Poster Presentation]Research on Hybrid Modulation Strategy of Bidirectional LLC Resonant Converter in Distributed Energy Storage System

Research on Hybrid Modulation Strategy of Bidirectional LLC Resonant Converter in Distributed Energy Storage System

ID：125 Submission ID：92 View Protection：ATTENDEE Updated Time：2022-08-11 14:50:06 Hits：647 Poster Presentation

Start Time：2022-11-04 11:18 （Asia/Shanghai）

Duration：12min

Session：[E] Power Electronics Technology and Application » [PS3] Poster Session 3

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Abstract

In order to increase the input and output voltage range of the energy storage system, this paper will conduct in-depth research on the modulation strategy of the bidirectional DC/DC module of the energy storage system. In this paper, the LLC resonant converter with bidirectional operation is used as the connection port between the battery and the DC bus in the energy storage system. The working principle of this topology and the commonly used modulation strategies are briefly described, and then the hybrid modulation strategy is analyzed in detail, which can ensure the normal operation of the DC bus voltage in the range of 310V to 380V. The correctness and effectiveness of the strategy are verified by experiments.

Keywords

Energy storage system; Bidirectional LLC resonant converter; Hybrid modulation strategy

Speaker

Senwen Luo

Huazhong University of Science and Technology

Submission Author

Senwen Luo Huazhong University of Science and Technology

Wanjun Liu Huazhong University of Science and Technology

Te Peng Huazhong University of Science and Technology

Yadong Wang Huazhong University of Science and Technology

Shanxu Duan Huazhong University of Science and Technology