Restoring electrical load to distribution feeder circuits

Details Restoring electrical load to distribution feeder circuits Restoring electrical load to distribution feeder circuits

2007-09-04

2007-09-04

Sherry, Michael (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

C361S064000

Reexamination Certificate

active

10870430

ABSTRACT:
Automatically de-energizing and re-energizing a section of a distribution feeder circuit includes detecting, using a module of a protective device, whether a section of a distribution feeder circuit upstream of the protective device has been de-energized and whether the protective device may be opened automatically. The module signals for the protective device to be opened when the section has been de-energized and when the protective device may be opened automatically. The module also is used to detect whether the protective device has been opened and may be closed automatically, and whether the section of the distribution feeder circuit upstream of the protective device has stabilized. The module is used to signal for the protective device to be closed automatically when the protective device has been opened automatically and may be closed automatically, and when the section of the distribution feeder circuit upstream of the protective device has stabilized.

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