Switching mechanism with a vacuum circuit breaker between a bus

Details Switching mechanism with a vacuum circuit breaker between a bus Switching mechanism with a vacuum circuit breaker between a bus

1982-03-30

1983-12-13

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

044206615

ABSTRACT:
A switching mechanism with a vacuum circuit breaker between a bus bar and a cable connection stud. With this switching mechanism, the conductor parts forming the current path are coaxially arranged in an insulating oil bed surrounded by a tightly sealing outer sleeve of electrically conducting material and an inner sleeve of electrically insulating material. That end of the immovable contact of the vacuum circuit breaker which projects from the vacuum container is fastened to the inner conductor of the bus bar or collecting bar and extends transversely therefrom. The movable outer contact of the vacuum circuit breaker connected to the inner conductor of the cable connection stud is actuable axially via an insulating body. The electrically conducting outer sleeve has a rigid cylindrical tube with a branch for the cable connection stud and a T-shaped base part to receive a partial section of the inner conductor of the bus bar; a tubular outer hull piece of the bus bar or an end cover of the bus bar can be flanged to both arm pieces of the T-shaped base part of the cylindrical tube; the insulating oil bed separates the electrically conducting outer sleeve and the electrically insulated inner sleeve from each other; and the inner sleeve is designed as a support structure for the coaxial fixation of the conductor parts forming the current path.

REFERENCES:
patent: 3956721 (1976-05-01), Link
patent: 4150270 (1979-04-01), Zunick
patent: 4256938 (1981-03-01), Efinger et al.

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