Detection of the position of a fault on an electric link

Details Detection of the position of a fault on an electric link Detection of the position of a fault on an electric link

1979-10-22

1982-04-13

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 84, 361 67, H02H 726

Patent

active

043250980

ABSTRACT:
A method for the directional detection of faults on power transmission lines is described.
According to one embodiment applied to a link comprising several lines in parallel each provided, towards each of their respective ends, with a directional relay, the indications from all of these relays in response to the detection of a fault on the link, are combined to determine the presence or the absence of the fault on the lines under consideration. In particular, this method is applicable to lines compensated with series capacitors at the beginning of the line.

REFERENCES:
patent: 3144585 (1964-08-01), Blakemore
patent: 3312866 (1967-04-01), Rockefeller, Jr.
patent: 3320481 (1967-05-01), Ungrad

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