Hybrid switching device employing liquid metal contact

Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point

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361 13, H01H 930

Patent

active

045009341

ABSTRACT:
A hybrid electrical current switching device comprises a triggerable solid-state current switch connected in parallel with a mechanical switch in which the current flow depends on the relative positioning of a liquid metal conducting medium. The solid-state switching device operates as a crowbar switch to mitigate effects of arcing.

REFERENCES:
patent: 3711668 (1973-01-01), Harnden, Jr.
patent: 3783305 (1974-01-01), Lefferts

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