Faulted current indicator with protection against temporary over

Details Faulted current indicator with protection against temporary over Faulted current indicator with protection against temporary over

1989-11-17

1992-08-04

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

361 94, 340650, H02H 308

Patent

active

051364565

ABSTRACT:
The disclosed faulted current indicator ignores temporary overloads and transients by inhibiting any trip resulting from an overcurrent signal until a disabling circuit senses that a fuse or circuit breaker has reduced the line current to zero.

REFERENCES:
patent: 3715742 (1973-02-01), Schweitzer, Jr.
patent: 3735248 (1973-05-01), Reese
patent: 4223365 (1980-09-01), Moran
patent: 4733321 (1988-03-01), Lindeperg
patent: 4794332 (1988-12-01), Schweitzer, Jr.
patent: 4922363 (1990-05-01), Long et al.

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