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소프트-스위칭을 적용한 고주파 링크 방식의 계통연계형 태양광 발전 시스템
이성룡(S.R Lee),주연홍(Y.H. Joo),전칠환(C.H Jeon),임성훈(S.H. Lim),한병성(B.S. Han) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.-
New grid connected PV system of high-frequency link with soft-switching is proposed to solve problems related with transformer and switching loss. The operation of suggested equipment using the soft switching that consists of high frequency transformer is confirmed by computer simulation and experiment that it can improve its efficiency and solve the problems mentioned above.<br/> <br/>
김정호(J. H. Kim),임성훈(S. H. Lim),양인영(I. Y. Yang) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.6_1
In this paper, collapse test of thin-walled structural member widely used for automobiles is carried out under static compression load to observe the effects of cross-sectional shape and material on the energy absorbing capacity in the viewpoint of of crashworthiness, specimens tested consist of two sons(Aluminium, CFRP) and configurations(Cylinder, Square) with variation in thickness. Also, comparisons of Al cylinder and square specimens are made to find the influence of difference in shape on the energy absorbing capability according as the thickness of specimen varies.