Digitally controlled overload relay

Details Digitally controlled overload relay Digitally controlled overload relay

1984-01-05

1985-09-03

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 98, H02H 308

Patent

active

045396183

ABSTRACT:
An overload relay is provided which monitors current flow in a circuit and triggers an electromagnetic interrupter to open the circuit upon detection of an overcurrent condition. A train of pulses is generated and received by the electromagnetic interrupter for maintaining the circuit closed. The pulse train is terminated upon detection of an overcurrent condition.

REFERENCES:
patent: 4126889 (1978-11-01), Ibamoto et al.
"Solid-State A.C. Circuit Breaker"--Khalifa; Proc. IEE, vol. 126, No. 1; 1/1979, pp. 75-76.

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