Attenuation of Traveling Waves on Three-Phase Lines

An evaluation of the classical solution to the traveling wave problem is presented for comparison with a computer simulation of the problem. The purpose of the tests presented in the paper has been to evaluate the effect of a distributed, constant resistance on single-phase and three-phase transmission lines from a theoretical point of view. The results give some insight into the basic phenomena and demonstrate how this resistance produces distortion intthe traveling wave. Although the general multiphase representation developed is valid for any conductor configuration, only results for a continuously transpbsed three-phase line are presented in the paper. The results show that the ground component resistance has a significant influence on the coupled voltage when switching the first phase of a three-phase line.