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A Study on the Secular Change Characteristics of Grounding Systems  

Kim Jae-Yee (동신대학교 정보통신공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.54, no.5, 2005 , pp. 224-226 More about this Journal
Abstract
In this paper, the secular changes of buried grounding electrodes was investigated; the electrodes are such facilities as grounding grid, grounding connector, grounding terminal and grounding rod etc.. The corrosiveness of removed substation grounding electrodes after commercial operation more than 50 years was measured and its conductivity deterioration trend was analyzed. The measuring results using three experimental methods were compared, finally the consideration for safe and economic grounding design were shown. As the result, it shows the maintenance necessity of grounding systems.
Keywords
Secular Change; Buried Grounding Electrodes; Corrosiveness; Removed Substation; Grounding Design;
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