Main circuit switching apparatus

Details Main circuit switching apparatus Main circuit switching apparatus

1998-02-10

2000-01-25

Donovan, Lincoln

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Air-current blowout

218 84, 218115, 218120, 218154, H01H 3370

Patent

active

060181346

ABSTRACT:
A main circuit portions are arranged in the order of a breaking section fixed-side conductor, a breaking section movable-side conductor, a disconnecting section movable-side conductor, and a disconnecting section fixed-side conductor, and first and second grounding conductors are respectively provided for grounding the breaking section fixed-side conductor and the disconnecting section fixed-side conductor at both end portions of the apparatus. The arrangement of operating devices is set in the order of a first grounding-section operating device, a breaking-section operating device, a disconnecting-section operating device, and a second grounding-section operating device. In addition, a breaking section is supported by a single supporting insulator to reduce the number of creepage insulation portions.

REFERENCES:
patent: 3784771 (1974-01-01), Olsen
patent: 3787649 (1974-01-01), Goodwin, Jr. et al.
patent: 3935407 (1976-01-01), Bleibtreu et al.
patent: 4086645 (1978-04-01), Gorman et al.
patent: 5424504 (1995-06-01), Tanaka et al.

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