접지저항을 측정하는데 있어서 전류전극의 이격거리는 일반적으로 접지전극으로부터 전류전극에 이르기까지의 직선 구간상에서의 전압강하의 변화 곡선에 소위 평탄 구간이 존재하도록 이격하는 것으로 알려져 있다. 그러나 이러한 전류전극 이격 기준의 문제점은 그와 같은 조건을 만족하기에는 현실적으로 곤란한 측정 현장이 있다는 것이다. 이러한 문제의 보완을 위하여 본 논문은 실험적 측정 데이터를 활용, 분석하여 전류전극 이격거리의 최소 규격을 제시하였다. 분석 결과에 의하면 봉상접지에 대하여는 봉 길이의 2배 이상을, 메쉬접지에 대하여는 한 변 길이의 2배 이상 이격하여야 함을 알 수 있다.
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