Development of an Accurate Transmission Line Fault Locator Using the Global Positioning System

Harry Lee

Abstract:	A highly accurate transmission line fault locator based on the travelling-wave principle has been developed and successfully operated within B.C. Hydro. A transmission line fault produces a fast- risetime travelling wave at the fault point which propagates along the transmission line. This fault locator system consists of travelling wave detectors located at key substations which detect and time tag the leading edge of the fault-generated travelling wave as it passes through. A master station gathers the time-tagged information from the remote detectors and determines the location of the fault. Precise time is a key element to the success of this system. This fault locator system derives its timing from the Global Positioning System (GPS) satellites. System tests confirmed the accuracy of locating faults to within the design objective of +/- 300 meters.
Published in:	Proceedings of the 1994 National Technical Meeting of The Institute of Navigation January 24 - 26, 1994 Catamaran Resort Hotel San Diego, CA
Pages:	111 - 116
Cite this article:	Lee, Harry, "Development of an Accurate Transmission Line Fault Locator Using the Global Positioning System," Proceedings of the 1994 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1994, pp. 111-116.
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