Review of the earthing method of the copper wire shield of 66kV feeder cable in tunnel area

터널 구간 66kV 급전선 차폐층 접지 시공 방법에 관한 검토

In electrification of the Honam line, the grounding method of the copper wire shield of 66kV feeder cable was disputed. This paper describes that the review of the proper earthing method(one-side earthing or both-side earthing) under consideration of the site condition and the acceptability of the induction voltage of the shield on the end of the cable.