Medium-voltage or high-voltage circuit-breaker

Details Medium-voltage or high-voltage circuit-breaker Medium-voltage or high-voltage circuit-breaker

1995-04-12

1997-04-01

Gellner, Michael L.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Air-current blowout

218 38, 218156, H01H 3308, H01H 3320

Patent

active

056168985

ABSTRACT:
A medium-voltage or high-voltage circuit-breaker including, in a casing filled with a dielectric gas, an interrupting chamber in which metal plates are disposed for splitting up an electric arc into a multitude of smaller or "elementary" arcs under the action of a magnetic field, the circuit-breaker including a helical insulating ramp winding around a central generator line, the ramp being disposed on the inside peripheral portion of the chamber and around a conductive electrode, and the metal plates being disposed along the ramp, around and at a distance from the conductive electrode.

REFERENCES:
patent: 2668890 (1954-02-01), Latour
patent: 3626127 (1971-12-01), Baldini
patent: 3716685 (1973-02-01), Wilson
patent: 4295021 (1981-10-01), Asinovsky et al.
French Search Report FR 9404890, Nov. 30, 1994.

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