Fault indicator having trip inhibit circuit

Details Fault indicator having trip inhibit circuit Fault indicator having trip inhibit circuit

G - Physics

01

R

324/58

G01R 19/165 (2006.01)

Patent

CA 1225436

FAULT INDICATOR HAVING TRIP INHIBIT CIRCUIT Edmund O. Schweitzer, Jr. Abstract of the Disclosure A fault indicator includes a status indicator for indicating normal and fault conditions on a monitored conductor. Trip circuitry within the fault indicator conditions the status indicator from a normal-indicating to a fault-indicating state upon the occurrence of a fault current in the conductor. Trip inhibit circuitry, including a loss of voltage sensor, inhibits the trip circuitry following a power failure whereby the fault indicator is rendered insensitive to inrush current during a period immediately following restoration of power to the system.

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