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인버터용 고주파 변압기의 효율 향상을 위한 코어 형상 최적화 설계에 대한 연구
유진형(Jin-Hyung Yoo),정태욱(Tae-Uk Jung) 한국조명·전기설비학회 2014 조명·전기설비학회논문지 Vol.28 No.4
The purpose of high frequency transformer in the inverter is to reduce the voltage and current stresses of switch components when it operates at the large conversion ratio. But the loss of transformer is the major contributor in the efficiency of inverter. This paper presents the method of core design to minimize the loss of transformer. The total loss of transformer is minimized by adjusting the effective cross-sectional areas of core. The component ratio of losses are compared by using the finite-element analysis.