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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, Hyang-Kon (Electrical Safety Research Institute, a subsidiary of Korea Electrical Safety Corporation) Kill, Gyung-Suk (Department of Electrical Engineering, National Korea Maritime University)
저널정보
한국안전학회 International Journal of Safety International Journal of Safety 제9권 제2호
발행연도
2010.1
수록면
1 - 5 (5page)

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In order to analyze the potential rise of ground surface of grounding grid installed in buildings, the grounding simulator has been designed and fabricated as substantial and economical measures. This paper describes the study of touch and step voltages with grounding grid where earth leakage current is injected. To assess risk voltage of grounding grid, the grounding simulator and CDEGS program were used to obtain measured data and theoretical results of this study. The grounding simulator was composed of an electrolytic tank, AC power supply, a movable potentiometer, and test grounding electrodes. The potential rise was measured by grounding simulator, and the touch and step voltages were computed by CDEGS program. As a consequence, the touch voltage and step voltage above the grounding grid were very low, but were significantly increased near the edge of grounding grid.

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