清换线C相故障保护动作分析  

The analysis of operating performance of protective relay during single-phase fault in line Qing Huan

作　　者：张德泉[1] 张一龙 柳焕章[1] 陈祥文[1] 于文峰 

机构地区：[1]华中电力调度通信局,湖北武汉430077 [2]深圳市建筑机械动力公司,深圳518041 [3]湖北电力试验研究所,湖北武汉430077

出　　处：《继电器》2000年第10期55-57,共3页Relay

摘　　要：1999.7.2 5清换线连续二次发生C相瞬时接地故障 ,清江侧LZ 96高频保护均未动作出口 ,RAZFE保护切除故障时间较长。对其动作行为进行了分析。Protective relay LZ 96 didn't operate and type RAZFE relay cleared fault slowly in 2 events of single phase transient faults happened successively in transmission line from Qingjiang River Hydropower Plant to Gezhouba Commutation Station.Operating performances of protective relay LZ 96 and RAZFE are analyzed in this paper.

关 键 词：高频距离保护 线路保护 C相故障 保护动作 

分 类 号：TM711[电气工程—电力系统及自动化]