Static trip device comprising an earth protection desensitizatio

Details Static trip device comprising an earth protection desensitizatio Static trip device comprising an earth protection desensitizatio

1990-07-02

1992-11-17

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 94, 364483, H02H 308

Patent

active

051648768

ABSTRACT:
The differential tripping threshold of the trip device is a polynomial function of an order greater than or equal to two of the highest phase current flowing in the power system protected by the circuit breaker comprising the trip device.

REFERENCES:
patent: 4761704 (1988-08-01), Fraisse et al.
patent: 4914541 (1990-04-01), Tripodi et al.
patent: 4937757 (1990-06-01), Dougherty

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