Analysis of Electric Field Distribution Around the High-Voltage Overhead Transmission LinesWith an ADSS Fiber-Optic Cable

This paper is an analysis of electric-fields distribution around overhead transmission lines (OHTLs) with an all dielectric self supporting (ADSS) fiber-optic cable. The aim of this analysis is to determine electrical interactions on a fully dielectric cable located in the electric field of OHTL. Two characteristic areas were taken into consideration. The first of these—in the middle of the line span, and the second—around the clamps which fit the cable to the transmission line tower. These areas follow from localization of ADSS-type cable in the line span. The latter of this area was taken into detailed analysis for determining the conditions of electric discharge initialization on the cable’s surface.