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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Title Islanded Operation Techniques in Distributed Power Using Dual-Active-Bridge Converters
Authors Yoon-Jae Heo ; Kyo-Beum Lee
DOI http://doi.org/10.5207/JIEIE.2024.38.4.317
Page pp.317-323
ISSN 1225-1135
Keywords DC Grid; Dual-Active-Bridge; LVDC
Abstract This paper proposes an islanded operation technique using DC-DC converters. The necessity of DC-DC converters and Dual-Active-Bridge converters in distributed power is analyzed. This paper shows soft-start and voltage control using Dual-Active-Bridge converters for stable operation in the DC grid. To validate the proposed algorithm, parameters are selected and a prototype is designed. The validity of the proposed islanded operation technique is demonstrated by the experimental results.