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Characteristics of Ultra High Frequency Partial Discharge Signals of Turn to Turn Defect in Transformer Oil  

Yoon, Jin-Yul (한전 전력연구원)
Ju, Hyung-Jun (한전 전력연구원)
Goo, Sun-Geun (한전 전력연구원)
Park, Ki-Jun (한전 전력연구원)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.58, no.10, 2009 , pp. 2000-2004 More about this Journal
Abstract
In general, for the condition monitoring of a power transformer using the UHF PD measuring technique, detection of any partial discharge, identifying the defect in the transformer and locating the insulation defect are necessary. In this paper one of the most frequent detects which can result in turn to turn fault in power transformer was examined for identifying the defect. In order to model the defect, as a discharge source, a partial discharge cell was used for experimental activity. Magnitude of electromagnetic wave signals and corresponding amount of apparent discharge were measured simultaneously against phase of applied voltage to the discharge cell. Frequency range and phase resolved partial discharge signals were measured and analyzed. The results will be contributed to build the defect database of power transformer and to decrease the occurrence of transformer faults.
Keywords
UHF PD Signal; Power Transformer; Turn to Turn Defect; PRPD Pattern;
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Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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