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http://dx.doi.org/10.4313/JKEM.2004.17.9.1013

Harmonics Analysis of Leakage Current Waveforms and Surface Discharge for EPDM Polymer Insulator  

박재준 (중부대학교 전기전자공학과)
양태규 (목원대학교 전자정보보호공학부)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.17, no.9, 2004 , pp. 1013-1021 More about this Journal
Abstract
This paper presents the results of spectrum analysis of leakage current waveforms on contaminated polymer insulators under fog conditions. This is a basic study on development of a monitoring for aging degree and surface pollution state using distortion rate(%) of 3rd and 5th harmonics according fundamental frequency[60Hz] under environment conditions. Arcing on the surface was always associated with distortion in the leakage current ; hence the low frequency components of the leakage current can be used as a means to evaluate the surface degradation. The results indicate that the distortion rate by spectrum analysis is available for the monitoring of contamination condition of EPDM Polymer insulators.
Keywords
Leakage Current waveform; Spectrum; EPDM Polymer Insulator; Harmonic Distortion rate; Surface Discharge;
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