ELECTRIC FIELD AND VOLTAGE DISTRIBUTION

Abstract: The electric field and voltage distribution (EFVD) in the vicinity of non-ceramic insulators
is presented. A three-dimensional electric field analysis program, COULOMB, has been used for thecalculations. Computation model development and EFVD results are presented for various examples:dry and clean insulators, 765 kV power line insulators, the effect of water droplets, and insulator sunder rain and fog conditions.