Method and device for preventing overstabilization of longitudin

Details Method and device for preventing overstabilization of longitudin Method and device for preventing overstabilization of longitudin

1992-12-30

1994-12-20

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

361 65, 361 87, H02H 332

Patent

active

053750268

ABSTRACT:
A method and a device for preventing overstabilization of longitudinal differential protections in case of internal faults on power lines, which may take place when a fault situation, which is indicated as an external faults, is in reality an internal fault. The invention comprises criteria which finally provide information as to whether the longitudinal differential protection is to enter into operation. The criteria comprise level and directional determination of the currents which are measured in the terminals of the power lines, checking whether these have the same direction, and so on.

REFERENCES:
patent: 4377834 (1983-03-01), Eriksson et al.
patent: 4731689 (1988-03-01), Nimmersjc et al.
patent: 4855861 (1988-10-01), Bergman et al.
patent: 5202812 (1993-08-01), Shinoda et al.

Affiliated with

Also associated with

Rating

Method and device for preventing overstabilization of longitudin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and device for preventing overstabilization of longitudin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for preventing overstabilization of longitudin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2388899