배전계통에 사용되는 접지전극 재료별 초기 공사비의 경제성 비교

The Comparison of Economic for Construction Cost of Ground Electrodes in Distribution System

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.