Accelerated aging test to determine the replacement criterion of distribution surge arresters

被引：0

作者：

Kim, JY ^{[1
]}

Kim, CY ^{[1
]}

Song, IK ^{[1
]}

Moon, JD ^{[1
]}

机构：

[1] Korea Elect Power Corp, KEPRI, Deajon 305380, South Korea

来源：

2001 IEEE/PES TRANSMISSION AND DISTRIBUTION CONFERENCE AND EXPOSITION, VOLS 1 AND 2: DEVELOPING NEW PERSPECTIVES | 2001年

关键词：

ZnO; surge arresters; leakage current; accelerated aging; thermal runaway; resistive leakage current;

D O I：

10.1109/TDC.2001.971339

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper provides the results of accelerated aging test of 18kV ZnO surge arresters to investigate the leakage current characteristics. It was impossible to establish the replacement criterion for field operating surge arresters because conventional aging test was only focused on the aging of ZnO elements. In general it is possible to replace the aged arresters before the failure in the field using the leakage current measurement because it must be increased by the aging. But we can not use this method because we don't know the characteristics of the surge arresters installed in the field. Therefore in this paper we applied operating voltage and accelerating cycle which consists of temperature and humidity to the arresters, Then we measured the variation of total and resistive leakage current and found out the characteristics of the aged surge arresters.

引用

页码：793 / 796

页数：4

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