发明名称 Switchgear
摘要 It is an object to provide a switchgear capable of alleviating burden to a manager. In order to solve the aforementioned problem, the switchgear according to the present invention includes a plurality of compatible switch units each provided in a housing and closing/interrupting/ground functions so that the plurality of switch units are connected to supply power to the load side.
申请公布号 US8791379(B2) 申请公布日期 2014.07.29
申请号 US201113311587 申请日期 2011.12.06
申请人 Hitachi, Ltd. 发明人 Kikukawa Shuichi;Tsuchiya Kenji;Morita Ayumu;Takahashi Keiichi
分类号 H01H9/26 主分类号 H01H9/26
代理机构 Antonelli, Terry, Stout & Kraus, LLP. 代理人 Antonelli, Terry, Stout & Kraus, LLP.
主权项 1. A switchgear comprising: a double-bus; a housing; and two switch units provided in the housing, each of the two switch units including a vacuum insulated switch performing closing and interrupting, an aerial insulated switch connected to a bus side of the vacuum insulated switch and performing grounding, a bus connection bushing in three phases connected to the bus side and supplying power to the vacuum insulated switch, a cable connection bushing connected to a cable side of the vacuum insulated switch, and an epoxy resin integrally molding the vacuum insulated switch, the aerial insulating switch, the bus connection bushing and the cable connecting bushing together, and wherein: the bus connection bushing provided in each of the two switch units is connected to a different bus of the double-bus from each other, and the two switch units are electrically connected at a load side of the cable connection bushing with each other.
地址 Tokyo JP