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- Title
Impedance-differential relay as a transmission line fault locator.
- Authors
HERLENDER, Justyna; IŻYKOWSKI, Jan; ROSOŁOWSKI, Eugeniusz
- Abstract
This paper deals with analysis of impedance-differential protection applied to locating faults on power transmission line. Based on the voltage and current measurements at both line ends, the differential impedance is calculated. It enables to formulate efficient protective algorithm. Moreover, the presented impedance-differential protection has ability to determine the fault location for an inspection-repair purpose. The fault signals from ATP-EMTP simulations of faults on the sample transmission line was applied for evaluating the fault location accuracy and to compare with the other fault location methods.
- Subjects
ELECTRIC lines; DIFFERENTIAL relays; FAULT indicators (Electricity); LOCATION scouting; NUMERICAL calculations
- Publication
Przeglad Elektrotechniczny, 2017, Vol 93, Issue 11, p194
- ISSN
0033-2097
- Publication type
Article
- DOI
10.15199/48.2017.11.40