Abstract

Lightning is the main cause of line outages on overhead distribution lines, especially for lines located in mountain areas and without line surge arresters installed along the line. This paper is dedicated to lightning outage performance of distribution line “Kotor – Lovcen” that operates in mountain Lovcen area. Shielding failure rate, shielding failure flashover rate and back flashover rate are calculated using Sigma Slp software. Lightning data collected by two advanced lightning activity monitoring systems are analyzed and used in number of simulations conducted for purposes of this paper.

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