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http://dx.doi.org/10.5207/JIEIE.2006.20.5.092

Evaluations on the Potential Interferences between Ground Rods  

Lee, Bok-Hee (인하대학교 전자전기공학부)
Lee, Su-Bong (인하대 대학원 전기공학과)
Lee, Tae-Hyung (인하대 대학원 전기공학과)
Jung, Hyun-Uk (인하대 대학원 전기공학과)
Kil, Hyung-Jun (한국전기안전공사 부설 전기안전연구원)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.20, no.5, 2006 , pp. 92-98 More about this Journal
Abstract
This paper deals with the potential interferences between ground rods. To propose a method for reducing the potential interference caused by grounding electrodes, the theoretical analysis and the reduced scale model tests, which we related to the measurement and computation of ground potential rise and potential interference caused by actual-sized grounding electrodes where current is injected, were carried out. The ground potential rise and potential interference coefficients were measured by using the hemispherical water tank grounding simulator and calculated by CDEGS software as a function of the distance between grounding electrodes. The ground potential rises and potential interference coefficients strongly depend on the distance between grounding electrodes, and the measured results were compared with the computer calculated data and were known in good agreement.
Keywords
Potential interferences coefficients; ground potential rise; Hemispherical water tank grounding simulation system; Ground rod;
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