engleski

Application and Performance of the Line Surge Arresters of the 110 kV Overhead Lines of the Croatian Transmission System

This paper will present the overview of the LSAs implementation to the 110 kV overhead lines of the Croatian transmission network and performed analyses of the line surge arresters performances as well as the lightning statistics obtained from LLS database for the area surrounding the observed overhead lines. The time and spatial the correlation of the relay protection system data with LLS data will be analysed in order to prove the impact of the lightning activities on the reliability of the overhead line as well as the contribution of the LSAs application to the improved overvoltage performance of the observed overhead lines. Based on the given overview and performed analyses the conclusions will be made related to efficiency of the LSAs application for the protection of the lines against lightning and its further implementation within the 110 kV overhead transmission network of Croatia.

110 kV overhead line, outage, lightning performance, line surge arrester, lightning location system

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