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IEEE Std 693-1997을 적용한 전력용 변압기 내진 해석
양재철,노효철,김호영,박균수 대한전기학회 2005 전기학회논문지C Vol.54 No.12-C
Because of increasing demand for safety of the power transformer, the seismic qualification process in accordance with the standard of IEEE Std 693-1997 is essentially required by customer. Dynamic analysis method and static analysis method were used to qualify the seismic withstanding of the power transformer at high seismic level. Maximum stress was detected at the connection between the main structure and appendages, and maximum displacement was detected at the point of appendage's end tip. Load path and substructure system can be considered as important elements to prevent over stress and over displacement.