Gas insulated switchgear apparatus.

摘要

A gas insulated switchgear consisted of necessary apparatus and elements to complete a switched circuit with circuit-breaker connected to line via line side disconnecting switch DS 2, the said apparatus and elements being enclosed within enclosures 16 filled with insulating gas. The enclosure 16 comprises an opening 16 c sealed by an insulating bushing 19 which supports a test electrode 40. The test electrode is rotatably and slidably mounted on the bushing 19 and may be moved in three positions. A first re-tracted position away from the line disconnecting switch. A second position in contact with the movable contact of the line disconnecting switch and a third position in contact with the stationary contact of the disconnecting switch.