Switched MOV device

Details Switched MOV device Switched MOV device

1994-09-13

1997-04-15

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 91, 361111, 361 58, H02H 904

Patent

active

056215991

ABSTRACT:
A metal oxide varistor in series with a semiconductor switch forms a protection circuit that reduces the steady-state voltage across the metal oxide varistor during normal operation, During an overvoltage transient condition, the semiconductor switch is gated on and the metal oxide varistor is placed in the voltage clamping mode.

REFERENCES:
patent: 4475139 (1984-10-01), Chadwick
patent: 4912589 (1990-03-01), Stolarczyk
patent: 5157572 (1992-10-01), Bird

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