Study for the development of assembly type joint boxes for extra high voltage power cables

초고압 전력 케이블용 조립식 접속상의 개발을 위한 연구

Since that the portion of failures caused by mis-installation of accessories is about 50% of whole failures in power transmission lines, the necessity of assembly type joint boxes, which have excellent installation capability and which can be electrically tested before installation, is gradually increasing. In this paper, we presented the results from the study from the point of design and the results of experiments using models. With the results of study, we could make it clear that the possibility of practical use of assembly type joint boxes instead of conventional molding type joint boxes is very high.