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논문 기본 정보

자료유형
학술저널
저자정보
Gil, Hyoung-Jun (Electrical Safety Research Institute, a subsidiary of Korea Electrical Safety Corporation) Kim, Dong-Woo (Electrical Safety Research Institute, a subsidiary of Korea Electrical Safety Corporation) Kim, Dong-Ook (Electrical Safety Research Institute, a subsidiary of Korea Electrical Safety Corporation) Lee, Ki-Yeon (Electrical Safety Research Institute, a subsidiary of Korea Electrical Safety Corporation) Kim, Hyang-Kon (Electrical Safety Research Institute, a subsidiary of Korea Electrical Safety Corporation)
저널정보
한국안전학회 International Journal of Safety International Journal of Safety 제7권 제2호
발행연도
2008.1
수록면
1 - 6 (6page)

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In this paper, the effects of the position and the angle of the potential probes on the measurements of the ground resistance using the fall-of-potential method are described and the testing techniques for minimizing the measuring errors are proposed. The fall-of-potential method is theoretically based on the potential and current measuring principle and the measuring error is primarily caused by the position and angle of auxiliary probes. In order to analyze the relative error in the measured value of the ground resistance due to the position of the potential probe, the ground resistance was measured for the case in which the distance of the current probe was fixed at 50[m] and the distance of the potential probe was located from 10[m] to 50[m]. Also, the potential probe was located in turn at $30[^{\circ}]$, $45[^{\circ}]$, $60[^{\circ}]$, $90[^{\circ}]$, and $180[^{\circ}]$. As a consequence, relative error decreased with increasing distance of the potential probe and decreasing angle between the current probe and potential probe. The results could help to determine the position of the potential probe during the ground resistance measurement.

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