RF-Based Partial Discharge Early Warning System for Air-Insulated Substations

被引：117

作者：

Portugues, Iliana E. ^{[1
]}

Moore, Philip J. ^{[2
]}

Glover, Ian A. ^{[2
]}

Johnstone, Carl ^{[3
]}

McKosky, Ralph H. ^{[4
]}

Goff, Mark B. ^{[4
]}

van der Zel, Luke ^{[5
]}

机构：

[1] Elimpus Ltd, Bellshill ML4 3NQ, Scotland

[2] Univ Strathclyde, Dept Elect & Elect Engn, Strathclyde G1 1XW, Scotland

[3] Natl Grid, Warwick CV34 6DA, England

[4] Tennessee Valley Author, Chattanooga, TN 37402 USA

[5] EPRI, Charlotte, NC 28262 USA

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2009年 / 24卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

Apparent charge; condition monitoring; impulsive noise; location; partial discharge; radiometric monitoring; TRANSIENTS;

D O I：

10.1109/TPWRD.2008.2005464

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Partial discharges (PDs) generate wideband radio-frequency interference which can be used for noninvasive monitoring of discharges. This paper presents a novel method based on this principle for PD monitoring of substations. The significant advantage of this method lies in the ability to detect PD sources in energized equipment anywhere within a substation compound during normal operating conditions. The results obtained from the prototypes installed in the U.K. and U.S. substations are reported. Results include correlation with apparent charge and daily recordings obtained before, during, and after the failure of a 132-kV current transformer and 69-kV voltage transformer.

引用

页码：20 / 29

页数：10

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