Electric current switching apparatus with dual magnet arc spinni

Details Electric current switching apparatus with dual magnet arc spinni Electric current switching apparatus with dual magnet arc spinni

1998-03-27

1999-03-02

Donovan, Lincoln

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Magnetic blowout

218 38, 335201, H01H 3318, H01H 944

Patent

active

058774645

ABSTRACT:
An electric arc extinguishing mechanism for an electric current switching apparatus employs a plurality of splitter plates in a conventional arc chute arrangement. Each splitter plate has a pair of permanent magnet structures that produce a magnetic field which interacts with the arc causing the arc to move continuously about the surface of the splitter plate until the arc is extinguished. Such movement prevents the arc energy from being concentrated in one spot which could melt the splitter plate.

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