Ground fault protection system

Details Ground fault protection system Ground fault protection system

1978-10-26

1980-05-27

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 45, H02H 328

Patent

active

042053587

ABSTRACT:
A sensor develops a ground fault signal in response to a ground fault on a power distribution circuit, which signal is processed by a signal processor of a conventional, residential ground fault circuit interrupter (GFCI) pursuant to developing a trip signal resulting in energization of a light emitting device. The light signal emitted by this device triggers a solid state, light activated switch to complete an energization circuit for a solenoid acting to shunt trip a power circuit breaker operating to interrupt the distribution circuit.

REFERENCES:
patent: 3764853 (1973-10-01), Beachley, Jr.
patent: 3925709 (1975-12-01), Mitchell et al.
patent: 3953767 (1976-04-01), Ahmed
patent: 4044395 (1977-08-01), Eckart

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