Vacuum insulated switchgear

Details Vacuum insulated switchgear Vacuum insulated switchgear

2011-08-30

2011-08-30

Luebke, Renee (Department: 2833)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Vacuum

C218S152000, C218S154000

Reexamination Certificate

active

08008594

ABSTRACT:
A vacuum insulated switchgear has a busbar compartment, in which phase-segregated double-break, three-position vacuum circuit breakers are disposed; and feeder compartments disposed at both sides of the busbar compartment respectively, in each of which phase-segregated double-break, three-position vacuum circuit breakers are disposed. The busbar compartment and the feeder compartments are aligned in a row, and a second-phase insulated busbar is provided to connect one of the fixed contacts of a second-phase breaker in the busbar compartment to a fixed contact of a second-phase breaker in one of the feeder compartments. A first-phase insulated busbar is provided to connect one of the fixed contacts of a first-phase breaker in the busbar compartment to a fixed contact of a first-phase breaker in one of the feeder compartments adjacent to the busbar compartment, and the second-phase insulated busbar and the first-phase insulated busbar are disposed in different positions in height.

REFERENCES:
patent: 7679022 (2010-03-01), Tsuchiya et al.
patent: 2007/0175866 (2007-08-01), Tsuchiya et al.
patent: 2010/0243611 (2010-09-01), Takahashi et al.
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patent: 2006-258522 (2006-09-01), None
patent: 2007-014086 (2007-01-01), None
patent: 2007-209077 (2007-08-01), None

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