Circuit protection system

Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks

Reexamination Certificate

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C361S064000

Reexamination Certificate

active

07986503

ABSTRACT:
A circuit protection system is provided that utilizes a single state definition for each of the zones of protection of the circuit to increase computational efficiency. Multiple zone protective functions can be performed on a single zone of protection and can reference the single state definition.

REFERENCES:
patent: 4689708 (1987-08-01), Hager et al.
patent: 5805394 (1998-09-01), Glennon
patent: 5875088 (1999-02-01), Matsko et al.
patent: 6167329 (2000-12-01), Engel et al.
patent: 6411865 (2002-06-01), Qin et al.
International Search Report dated Nov. 18, 2004; for corresponding PCT Application No. PCT/US04/00055.

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