A Multi-Input-Port Bidirectional DC/DC Converter for DC Microgrid Energy Storage System Applications

Binxin Zhu, Hui Hu, Hui Wang and Yang Li
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Binxin Zhu: College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443000, China
Hui Hu: College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443000, China
Hui Wang: College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443000, China
Yang Li: School of Automation, Wuhan University of Technology, Wuhan 430000, China

Energies, 2020, vol. 13, issue 11, 1-16

Abstract: A multi-input-port bidirectional DC/DC converter is proposed in this paper for the energy storage systems in DC microgrid. The converter can connect various energy storage batteries to the DC bus at the same time. The proposed converter also has the advantages of low switch voltage stress and high voltage conversion gain. The working principle and performance characteristics of the converter were analyzed in detail, and a 200 W, two-input-port experimental prototype was built. The experimental results are consistent with the theoretical analysis.

Keywords: DC/DC converter; multi-input-port; bidirectional; energy storage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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