A SPICE simulation of lightning induced overvoltages on power transmission lines
In this study, overvoltages produced on multiconductor power lines by indirect lightning are analysed. In particular, the case of power lines with ground wires terminated on non-linear loads is studied. The power line is represented by an equivalent timedomain m-port and the effects of the lightning excitation are represented through equivalent independent sources. The timedomain circuit has been implemented in SPICE. Simulations have been carried out in order to evaluate the shielding effect of the ground wires and to analyse the effects of surge arresters. The results have been compared to those available in the literature.
spice lightning overvoltages