Traveling wave based relay protection

Details Traveling wave based relay protection Traveling wave based relay protection

2011-07-05

2011-07-05

Dole, Timothy J (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S509000, C324S522000, C324S534000, C361S042000, C361S080000, C702S059000

Reexamination Certificate

active

07973536

ABSTRACT:
An apparatus includes at least one Rogowski coil and a processor. The at least one Rogowski coil is positioned within an electrical power distribution network to detect a first traveling wave current caused by a fault on an electrical power transmission line of the network, generate a first signal indicative of detection of the first traveling wave, detect a second traveling wave current caused by the fault on the transmission line, and generate a second signal indicative of detection of the second traveling wave. The processor is adapted to receive the first signal and the second signal and to determine, based on the first signal and the second signal, where on the transmission line the fault occurred.

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