Protective relay apparatus

Details Protective relay apparatus Protective relay apparatus

1982-01-13

1983-10-04

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

361 87, 361 78, 361 85, 361 62, H02H 726, H02H 328

Patent

active

044082460

ABSTRACT:
A protective relay system for providing pilot protection for two and three terminal alternating current transmission lines, which system does not require a continuous metallic circuit between the relaying points. The evaluation circuit develops operating and restraining quantities, modified by a predetermined constant which determines the operating characteristic of the relay system.

REFERENCES:
patent: 2641634 (1953-06-01), Marihart
patent: 3597735 (1971-08-01), Nakayama et al.
patent: 4020396 (1977-04-01), Gambale et al.
patent: 4275429 (1981-06-01), Church et al.
patent: 4322768 (1982-03-01), Maeda et al.
"Applied Protective Relaying"-Westinghouse Electric Corp., Relay Instrument Division Coral Springs, Florida 33060-1979.

Affiliated with

Also associated with

Rating

Protective relay apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Protective relay apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Protective relay apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-976618