A computing model and its experimental testing for an evaluation of electromagnetic interferences created by interfering circuits on transmission or high-voltage lines above a dissipative ground

In this paper we present useful calculations for a prediction of the electromagnetic field created by interfering circuits on a linear horizontal transmission line over an imperfectly conducting ground. The interfering circuits are assimilated to antennas and treated by using the dipole-radiation theory. The current distribution is determinated by the transmission-line theory. We present here the computational procedure allowing a fast and accurate calculation of the electromagnetic fields components of a series of dipoles. We give the linear characteristics Z, Y of the transmission line by incorporating the ground effects. The response of a terminated one-wire transmission line set over the ground and excited by a non-uniform field is given. A comparison between computed results given by the model and experimental measurements is provided.