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http://dx.doi.org/10.5370/KIEE.2011.60.10.1984

Placement Standard Research of Auxiliary Probes when Measuring Ground Impedance  

Kim, Dong-Woo (전기안전연구원)
Gil, Hyoung-Jun (전기안전연구원)
Kim, Dong-Ook (전기안전연구원)
Lee, Ki-Yeon (전기안전연구원)
Moon, Hyun-Wook (전기안전연구원)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.60, no.10, 2011 , pp. 1984-1991 More about this Journal
Abstract
Among ground impedance measurement methods, the fall-of-potential method is the most thorough and reliable method. In the fall-of-potential method, ground electrode and auxiliary probes are placed in a straight line, and then, auxiliary potential probe is moved away from the ground electrode. The point at which plotted resistance curve flattens out is taken as right position of auxiliary potential probe. However, in some cases, it is hard to place ground electrode and auxiliary probes in a straight line. Therefore, we provided alternative placement method in this research. The method can be easily applicable to placing auxiliary probes. Also, this paper analyzed and compared ground impedance measurement standards of large grounding systems. Based on the analysis, practical measurement method using an earth tester was proposed. The proposed methods presented in this paper will be useful when determining locations of auxiliary probes in alternative positions, and the methods can be applied practically and easily.
Keywords
Ground impedance; Placement standard; Fall-of-potential; Auxiliary probes;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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