550kV GIS盆式绝缘子闪络事故的分析  

ANALYSIS ON THE FLASHOVER OF BASIN-INSULATOR IN 550 kV GIS

作　　者：何善庆 

机构地区：[1]云南大朝山水电有限责任公司,云南昆明650011

出　　处：《高压电器》2003年第3期79-80,共2页High Voltage Apparatus

摘　　要：当大朝山电站1#发电机投入试运行时,大昆2#线及500kV系统已空载稳定运行了近两天,调试CAT时,突然因接地故障保护装置动作,断路器分闸.笔者对闪络事故的原因进行了分析.When the commissioning of No.l Generating Unit at Dachaoshan hydropower station, both 500 kV facilities and the No.2 Dakun transmission line were energized with no-load operation for about 2 days. When testing CAT (Circuit Breaker with Artificial Intelligence Technology), the circuit breaker was suddenly tripped due to earthing fault The cause of the accident is investigated and presented in this paper.

关 键 词：550kVGIS 全封闭组合电器 盆式绝缘子 闪络事故 事故分析 

分 类 号：TM769[电气工程—电力系统及自动化]