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1. 发明授权

US4689717A Cast housing for medium-voltage switchgear 失效
标题翻译：中压开关柜铸件外壳
公开(公告)号：US4689717A
公开(公告)日：1987-08-25
申请号：US846124
申请日：1986-03-31
申请人： Karl Munzinger , Jorg Peter , Andreas Plessl , Denis Poole , Jan G. Vit
发明人： Karl Munzinger , Jorg Peter , Andreas Plessl , Denis Poole , Jan G. Vit
IPC分类号： H01H33/64 , H01H33/56 , H02B13/045 , H02B5/00 , H02B7/00
CPC分类号： H02B13/045
摘要： A cast housing is provided for carrying switchgear components, such as a power switch or circuit-breaker, a busbar, a disconnecting switch and a grounding switch and bushings, to a multi-phase medium-voltage switchgear. It is substantially cuboid-shaped and is filled with an insulating gas. This cast housing is designed such that it may be used without substantial modifications in all possible designs of switchgear for a given switchgear voltage. This is achieved by the cast housing having large openings at the front wall and at the side surfaces adjoining the front wall and having a comparatively small opening at each of the rear walls and the top and bottom surfaces for each phase of a switchgear having from one to four phases. At the same time, the supply terminals of the phases of the power switch or circuit-breaker can be brought through the opening located in the front wall into the interior of the cast housing, in each case the phase conductors of the busbar can be led through the openings located in the side walls and either a bushing conductor, directed along a mid-axis of this opening, can be led through each of the remaining openings to a further live switchgear component, or this opening can be closed off by a cover or a cast wall.
摘要翻译：提供铸造壳体，用于将开关元件（例如电源开关或断路器，母线，断路开关和接地开关和衬套）输送到多相中压开关设备。它基本上是长方体形，并且填充有绝缘气体。该铸造壳体被设计成使得可以在对于给定的开关设备电压的开关设备的所有可能的设计中没有实质性的修改而使用它。这通过铸造壳体在前壁和邻近前壁的侧表面具有大的开口并且在每个后壁以及具有一个开关装置的开关装置的每个相的顶表面和底表面上具有相对较小的开口来实现到四个阶段。同时，电源开关或断路器各相的供电端子可以通过位于前壁的开口进入铸件壳体的内部，在这种情况下，母线的相导体可以被引导通过位于侧壁中的开口以及沿着该开口的中轴指向的衬套导体可以被引导通过每个剩余的开口到另一个活动开关装置部件，或者该开口可被盖子封闭或铸墙。

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