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연료전지와 슈퍼커패시터가 결합된 발전시스템의 대기모드에서 양방향 DC-DC 컨버터의 특성해석
이종규(Jong-Gyu Lee),송웅협(Woong-Hyub Song),김진영(Jin-Young Kim),노의철(Eui-Cheol Nho),김인동(In-Dong Kim),김흥근(Heung-Geun Kim),전태원(Tae-Won Chun) 전력전자학회 2011 전력전자학술대회 논문집 Vol.2011 No.7
This paper deals with the ZVS characteristics of a bidirectional DC/DC converter in idling mode. Simulations are carried out with the supercapacitor which maximum voltage is 50 V. It is found that the ZVS can be achieved as far as the supercapacitor voltage is below 94% of the maximum voltage in idling mode. Therefore, the switching loss in the mode can be small by control the upper limit of the supercapacitor voltage.