KEPCO 배전계통에서 전력유도대책을 위한 접지효과 해석

This paper presents about the grounding effect for the reduction of power induction on multiple neutral grounded distribution system in KEPCO. When 1-phase ground fault was occurred in multiple neutral grounded distribution system, most fault currents flow through the neutral conductor. And remainder fault current is flowed in earth through the neutral grounding electrode. This current - fault current is flowed in earth through the neutral grounding electrode - source of power induction. In this study, analyzed effect of source current for power induction by change of neutral grounding resistance.