Localization of partial discharges using UHF sensors in power transformers

被引：0
|
作者：
Shen, Z. B. [1 ]
El-Saadany, E. F. [1 ]
机构：
[1] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada
来源：
2006 POWER ENGINEERING SOCIETY GENERAL MEETING, VOLS 1-9 | 2006年
关键词：
partial discharge (PD); ultra high frequency (UHF) signal; UHF sensor; power transformer; dielectric material; monitoring system; simulation; condition monitoring;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Transformer failure is usually triggered by external events such as lightning strikes, switching transients, or short circuits. However, susceptibility to these events is usually due to some incipient weakness in the insulation system, which may be detected at an earlier stage by monitoring partial discharge activities. Usually, PDs are detected acoustically, chemically, or electrically. The acoustic and chemical PD detection technology has been successfully used on power transformers for many years. However, in this paper, The PD's UHF phenomenon in power transformers is simulated by MATLAB and FEMLAB, and the monitoring method of using UHF sensors is analyzed. Furthermore, a new PD localization method using three URF sensors is also proposed.
引用
收藏
页码：2660 / +
页数：2
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