Fault detection and location system for power transmission and d

Details Fault detection and location system for power transmission and d Fault detection and location system for power transmission and d

1991-12-20

1994-08-30

Regan, Maura K.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

324509, 361 65, G01R 3108, H02H 300

Patent

active

053431553

ABSTRACT:
A system for detecting and locating faults on a power system includes the e of fault detection and transmitting devices on each pole of the system. The fault detection apparatus includes detecting coils mounted on the static line on either side of each pole, and a third detecting coil positioned so as to detect an orthogonal magnetic flux due to a phase-to-phase fault. A microprocessor on each pole analyzes the type of fault from the output of the three coils, and transmits the identification of the pole and pertinent fault data, when appropriate, to a repeater system. Thus, fault information from an entire power system can be fed through the repeater system into a central location.

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