葛洲坝500kV MOA事故分析及反事故措施  

FAULT ANALYSIS OF 500kV MOA IN GEZHOUBA POWER STATION AND ITS COUNTERMEASURE

作　　者：林志伟[1] 文闿成[1] 汪涛[1] 金涛[1] 李庭芳 

机构地区：[1]湖北省电力试验研究所,武汉430077 [2]葛洲坝水力发电厂,湖北宜昌443000

出　　处：《电网技术》1997年第3期60-62,68,共4页Power System Technology

摘　　要：本文扼要地介绍了葛洲坝电厂500kVMOA3次事故的情况，分析了事故原因，并给出了人工污秽试验和加裙位置优化计算的结果并介绍了实施反事故措施后安全运行一年多的情况。In this paper three faults of 500kV MOA in Gezhouba hydroelectric power station are briefly described． The reasons which caused the faults are analyzed．The result ofartificial pollution test and that of the electric field calculation are given． The countermeasures for this type of faults are also presented．

关 键 词：金属氧化物 避雷器 污秽闪络 输电线路 

分 类 号：TM862[电气工程—高电压与绝缘技术]