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公开(公告)号:US4045634A
公开(公告)日:1977-08-30
申请号:US648677
申请日:1976-01-13
申请人: Seizo Nakano , Kazuaki Oishi , Takehiro Kikuchi , Syoetu Suda
发明人: Seizo Nakano , Kazuaki Oishi , Takehiro Kikuchi , Syoetu Suda
摘要: A gas insulated switch-gear wherein power circuit breakers, disconnecting switches, earthing switches and the like constituting a power electric sub-station are enclosed in earthed metallic vessels and insulation therein is effected by means of insulated arc-suppressing gas is housed in a switching house, a bushing forming a terminal at the electric power line side is provided separately outside of the switching house, and said bushing located outside and gas insulated switch-gear is electrically connected by means of gas insulated bus bar, to thereby eliminate a wall bushing.