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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) Moon, Hyun-Wook (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) Kil, Gyung-Suk (Department of Electrical Engineering, National Korea Maritime University)
저널정보
한국안전학회 International Journal of Safety International Journal of Safety 제8권 제2호
발행연도
2009.1
수록면
9 - 14 (6page)

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This paper describes analysis of risk voltage for grounding electrode where earth leakage current is injected. To assess risk voltage of grounding electrode, the grounding simulator and CDEGS program were used to obtain measured data and theoretical results of this study. The grounding simulator was composed of a hemispherical water tank, AC power supply, a movable potentiometer, and test grounding electrodes. The shapes of grounding electrode model was ground rod. The potential rise was measured by grounding simulator, and the touch and step voltages were computed by CDEGS program. As a consequence, the potential rise of ground rod abruptly decreases with increasing the distance from the grounding electrode to the point to be tested. The touch voltage above the ground rod was low, but the step voltage was high. The measured results were compared with the computer calculated data and were known in good agreement.

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