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Characteristic Analysis elf Large Grounding system by Using Reduced Scale Model Method  

장석훈 (한국전기연구원)
이재복 (한국전기연구원)
명성호 (한국전기연구원)
조연규 (한국전기연구원)
김점식 (한국해양대학교 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.53, no.3, 2004 , pp. 162-167 More about this Journal
Abstract
The scale model grounding systems to study the behavior of grounding system in uniform soils have been designed and fabricated. Constructional details and instrumentation have been discussed. To verify the accuracy of the results obtained from the experimental tests, they have been compared with computer calculation results. Also, in order to assess the effectiveness of bonding two grounding systems, grounding grid conductors which were downsized as a scale factor of 100:1 were analyzed by using the scale model method. A profile of GPR(Grounding Potential Rise) of each case was measured. The scale model grounding system presented in this paper can be valuable tool to analyze the ground potential profile and ground resistance of practical grounding system.
Keywords
Scale model grounding system; Grounding grid; GPR(Grounding Potential Rise); Ground resistance;
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