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http://dx.doi.org/10.5207/JIEIE.2005.19.2.049

A study on the Interpretation Technique of Fall-Of-Potential Curve for Grounding Performance Evaluation of a Large Grounding Electrode Network  

Choi, Jong-Kee (한전전력연구원 전력계통연구실)
Ryu, Hee-Young (한전전력연구원 전력계통연구실)
Lee, Dongil (한전전력연구원 전력계통연구실)
Jung, Gil-Jo (한전전력연구원 전력계통연구실)
Kim, Kyung-Chul (한전전력연구원 전력계통연구실)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.19, no.2, 2005 , pp. 49-54 More about this Journal
Abstract
Measuring ground resistance is a typical way of performance evaluation of a grounding electrode. Among various ground resistance measurement methods, FOP (Fall-Of-Potential) method has been widely used, especially in case of a relatively large grounding electrode such as a substation grounding mesh grid Since FOP measurement line has to be increased as the size of grounding electrode increases, however, it is often that securing long enough FOP-line is practically impossible. In this paper, a sophisticated interpretation method of FOP measurement ma which is applicable to large grounding electrode networks, is presented.
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