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Russian Electrical Engineering

, Volume 88, Issue 2, pp 61–70 | Cite as

Detecting the faults of overhead electric-power lines by the location-probing method

  • R. G. MinullinEmail author
Article

Abstract

Experimental material on detection of breaks and short circuits in electric-power lines (EPLs) obtained by the location method over a number of years is summarized. The features of location diagnostics of overhead EPLs with treelike (6–10 kV) and linear (35 kV or greater) topologies are considered. The methodologies of recognition of location-probing reflectograms with indication of the type and position of an EPL fault are described. The techniques of extraction of reflected location signals against a background of technological interference present in the high-frequency path of a high-voltage EPL are considered.

Keywords

high-voltage electric-power lines short circuits and wire breaks location probing strategy to detect and identify line faults extracting location signal 

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Copyright information

© Allerton Press, Inc. 2017

Authors and Affiliations

  1. 1.Kazan State Power Engineering UniversityKazan, TatarstanRussia

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