A New Numerical Analysis of Line Equations Considering Corona Loss on Two-Conductor System

Abstract

It is very important to investigate the wave attenuation and distortion due to corona discharge, for the purpose of solving successfully the surge problems on the ultra-high voltage transmission systems. So, in this paper, from the nonlinear line equations considering corona loss on a two-conductor system which is expanded from the ones of a single-conductor system, the authors derive a new digital calculation to analyse the attenuation and distortion of the travelling waves caused by corona discharge. Then, they compare their digital computation result under various conditions at the sending end or the receiving end with the experimental ones on the artificial transmission line with other researchers and they make sure that the values of the corona loss constants which have been estimated in the single-conductor system, are adequate values.