배전선로용 접지전극 재료별 공사비의 경제성 평가

The Valuation of Economical Efficient for Construction Cost of Ground Electrodes in Distribution Lines

To receive size of same ground resistance by form of construction work of ground electrode, there is difference of amount or price of used resources, and should construct ground electrode little more effectively because appear to differ in life period according to nature of ground electrode resources, but should consider economical efficient.