SPARK-TO-GLOW DISCHARGE TRANSITION DUE TO INCREASED SURFACE CONDUCTIVITY ON EPOXY-RESIN SPECIMENS

被引：103

作者：

HUDON, C ^{[1
]}

BARTNIKAS, R ^{[1
]}

WERTHEIMER, MR ^{[1
]}

机构：

[1] INST RECH HYDRO QUEBEC,VARENNES,PQ,CANADA

来源：

IEEE TRANSACTIONS ON ELECTRICAL INSULATION | 1993年 / 28卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1109/14.192234

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：

The effects of long exposure of epoxy resin surfaces to partial discharges under ac field stress were examined. The use of electrical pulse measuring techniques in conjunction with light emission measurements using a photomultiplier tube, which allowed simultaneous detection of both spark and glow discharges, permitted the establishment of a definite transition from spark to glow discharges. Spark discharges were found to be responsible for the initial surface modification leading to increased surface conductivity, which favored the transition to a pulseless glow type discharge within the cavity. The latter form of discharge was found to prevail over the major portion of the remainder of the exposure period.

引用

页码：1 / 8

页数：8

共 22 条

[1] NOTE ON AC DISCHARGES BETWEEN METALLIC-DIELECTRIC ELECTRODES IN HELIUM [J].