KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Switching Method of 3-phase Interleaved Bidirectional DC-DC Converter to Achieve High Efficiency in Wide Load Range
Authors	정재헌(Jung, Jae-Hun) ; 서보길(Seo, Bo-Gil) ; 선다운(Sun, Daun) ; 노의철(Nho, Eui-Cheol)
DOI	https://doi.org/10.5370/KIEE.2015.64.9.1306
Page	pp.1306-1314
ISSN	1975-8359
Keywords	Interleaved bidirectional DC-DC converter ; Battery charging ; Soft-switching
Abstract	This paper deals with a switching method of a three-phase interleaved bidirectional DC-DC converter to obtain high efficiency in wide load range. The proposed soft-switching method provides ZVS and ZCS at turn-on, and ZVS at turn-off of the switch as well as considerably reduced conduction loss in light load. Simulation and experiment are carried out with a bidirectional DC-DC converter having the power rating of 3 [kW], and those results show the validity of the proposed switching method.

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