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ZnO Arrester Diagnosis by Measurement of Temperature  

Kim Gyung-Suk (한국해양대학교 전기전자공학부)
Han Ju-Seop (한국해양대학교 산업기술연구소)
Song Jae-Yong (한국해양대학교 전기전자공학부)
Seo Hwang-Dong (한국해양대학교 전기전자공학부)
Moon Seung-Bo (한국해양대학교 전기전자공학부)
Park Tae-Gone (창원대학교 매카트로닉스공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.54, no.8, 2005 , pp. 361-364 More about this Journal
Abstract
In this paper, surface temperatures of ZnO arresters as a function of ambient temperatures and leakage currents were experimentally investigated. The variations of the leakage current was below 10 uA, which comes about $4.5\%$ of the normal leakage current. Temperature differences between the ambient and the surface of arresters were not shown until $150\%$ to the normal leakage current, and were remarkable over $200\%$. From the results, we deduced a couple of polynomials which enables the calculation of the leakage current by the measurement of surface temperature. Tests on used arresters have shown the same results as the experimental one. Also, we expect that an arrester diagnosis is possible by measuring the surface temperature of them after more studies on the effect of wind, moisture penetration, and arrester types.
Keywords
ZnO Arrester; Diagnosis; Leakage Current; Surface Temperature; Ambient Temperature; Polynomial;
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Times Cited By KSCI : 1  (Citation Analysis)
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