Electrical power distribution device with isolation monitoring

Details Electrical power distribution device with isolation monitoring Electrical power distribution device with isolation monitoring

1994-09-21

1995-12-12

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

361 81, H02H 300

Patent

active

054755581

ABSTRACT:
An electrotechnical power supply system includes several power sources and interconnectable feeders, and an overall isolation monitor and at least one locator on each power source.
All the overall isolations monitors and locators are connected together by a local data bus transmission network.
A plurality of connecting circuit breakers are arranged between the power sources. A management unit is electrically connected to the transmission network for transmitting control signals to the overall isolation monitors, so as to switch some of the monitors to an inaction excluded mode, with the exception of a single one of them which operates as pilot in an active mode.

REFERENCES:
patent: 4245318 (1981-01-01), Eckart et al.
patent: 4791520 (1988-12-01), Stegmuller
patent: 4873601 (1989-10-01), Wakasa
patent: 4972290 (1990-12-01), Sun et al.
patent: 4996646 (1991-02-01), Farrington
patent: 5066920 (1991-11-01), Suptitz

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