| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a GIS of efficient arrangement of equipment and busbars, with a reduced installation area, shortened bus bar length, and improved efficiency in maintenance and recovery of a circuit breaker. <P>SOLUTION: The gas insulated switchgear is constituted with single-phase equipment of in-circuit connection bus bars 2A and 2B, leading-out bus bar 4, vertical circuit breakers 1A-1F, and inter-circuit connection main busbars 3A and 3B. The in-circuit connection bus bar, leading-out busbar, and inter-circuit connection main busbar are arranged parallel to each other in the same plane using the busbar of the amount of three phases. The in-circuit connection bus bars 2A and 2B and inter-circuit connection main busbars 3A and 3B are so arranged that the main axis of the busbar in each phase almost overlaps each other in the same direction in top view, while the in-circuit connection busbar and inter-circuit connection main busbar overlap each other vertically. The leading-out busbar 4 is so arranged as to vertically overlap in the direction across the main axis direction of the in-circuit connection busbars 2A and 2B and the inter-circuit connection main busbars 3A and 3B. The vertical circuit breakers 1A-1F are so arranged, on the side of the in-circuit connection busbar and inter-circuit connection main busbar, that the array direction is parallel to the main axis direction of the in-circuit connection busbar and inter-circuit connection main bus bar. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
