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A Study on the Influence of Harmonics in Power System Voltage on Arrester Diagnostics and its Compensation  

Kim, Il-Kwon (한국해양대학교 전기전자공학부)
Song, Jae-Yong (한국해양대학교 전기전자공학부)
Han, Ju-Seop (한국해양대학교 산업기술연구소)
Kil, Gyung-Suk (한국해양대학교 전기전자공학부)
Rhyu, Keel-Soo (한국해양대학교 IT공학부)
Cho, Han-Goo (한국전기연구원)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.54, no.11, 2005 , pp. 493-497 More about this Journal
Abstract
This paper dealt with the influence of harmonic voltages on arrester diagnostics and its compensation method by using a designed Pspice arrester model. A pure sinusoidal voltage and its 3$^{rd}$ harmonic voltage were applied to the model, and the leakage current components were analyzed. The simulation results have shown that the peak value of resistive leakage current depends not only on the phase of the 3$^{rd}$ harmonic voltage but also on the magnitude of it. In this paper, an approximated 5$^{th}$ order polynomial formula by the Least-Square-Technique was derived, and correction factors which compensate the error caused by the 3$^{rd}$ harmonic voltage were calculated.
Keywords
ZnO Arrester; Leakage Current; Deterioration; Harmonics; Diagnostic Techniques; Power System Voltage;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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