Overcurrent relay

Details Overcurrent relay Overcurrent relay

1978-05-19

1979-11-27

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

307358, 324127, 361 98, H02H 308

Patent

active

041763866

ABSTRACT:
A solid state overcurrent relay which receives both an information signal and operating power from a single current transformer. A power supply, which couples the current transformer and relay, is constructed to present a constant impedance load on the current transformer, enabling the current transformer to simultaneously provide an accurate information signal.

REFERENCES:
patent: 3333155 (1967-07-01), Steen
patent: 3685035 (1972-08-01), McClain et al.
patent: 3956670 (1976-05-01), Shimp et al.
patent: 4093977 (1978-06-01), Wilson

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