Power interruption device

Details Power interruption device Power interruption device

1981-12-02

1984-03-27

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

361 67, 361 94, 361 58, 361104, H02H 726

Patent

active

044398034

ABSTRACT:
A current transformer and current sensing relay are used to determine the maximum conduction time of the main interrupter in a power circuit. The operating time of the current sensing relay is less than that of the main interrupter but greater than that of a plurality of branch interrupters.

REFERENCES:
patent: 2439165 (1948-04-01), Graves, Jr.
patent: 2488745 (1949-11-01), Stratton
patent: 2920241 (1960-01-01), Jacobs, Jr. et al.
patent: 3070728 (1962-12-01), Edmunds
patent: 4240123 (1980-12-01), Hotta

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