Koichi Sakai, Hiroshi Munakata, Hiroshi Sakurai, Atsushi Kimura, Shun'ichi Asakura, Kiyoshi Yamada, Toru Serizawa, Yoshinari Hane
Slip-on terminations used heretofore on 6600-V XLPE cables come in two types depending on the level of pollution in the area where they are to be used--the pothead type for areas of heavy pollution and the outdoor type for ordinary areas. Pothead terminations have the disadvantages of being heavy and difficult to handle and when EP rubber out-door-type terminations were incorrectly substituted in areas of heavy pollution, instances of insulation breakdown occurred. And since both are of the slip-on type, incidents of breakdown have also occurred, though infrequently, due to insufficient insertion of the cable. Against this background the authors have developed a new type of termination made of silicone rubber for 6600-V XLPE cables which is easy to assemble, guards against problems of improper installation on the cable, and can be used in both ordinary and heavily polluted areas.