On-line PD detection for condition monitoring of covered-conductor overhead distribution networks-A literature survey
- 1 March 2008
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 55, 1-6
- https://doi.org/10.1109/icee.2008.4553933
Abstract
Partial discharge (PD) measurements are universally accepted as an effective and reliable tool for on-line condition monitoring of high voltage (HV) equipment. A relatively new application is the monitoring of falling/leaning trees on the covered-conductor (CC) overhead distribution lines. Rogowski coil is used as a sensor for the detection of PDs produced due to falling trees on the CC overhead lines. This sensor is non-intrusive and superior to the conventional PD detector methods. In the next stage, this wired sensor will be converted into a wireless one. This paper gives the brief introduction to the concept and methodology of PD detection and sensor characteristics for localization of falling trees on the CC lines.Keywords
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