上海“2.19”500kV系统事故保护动作分析  

Analysis of protection action of 500 kV system failure occurred on Feb.19 in Shanghai

作　　者：陈建民[1] 吴小建[1] 王伟 毛俊 熊超英 涂崎 

机构地区：[1]华东电力调度通信中心,上海200002 [2]上海电力调度通信中心,上海200025 [3]上海超高压输变电公司,上海200063

出　　处：《华东电力》2003年第8期1-4,共4页East China Electric Power

摘　　要：2 0 0 2年 2月 1 9日 ,上海 5 0 0 k V南桥变电站由于站内监控系统 P1 3故障 ,导致断路器频繁分合闸 ,且造成线路和变压器保护跳闸 ,最终出现杨高 2 2 0 k V系统与 5 0 0 k V系统解列、南桥 5 0 0 k V系统通过一回 5 0 0k V线路与系统相联的异常事故。通过故障录波文件 ,并结合现场试验 ,对“2 .1 9”事故的整个过程中继电保护的动作行为进行了分析 。A serious fault was occurred in Shanghai Nanqiao Substation on Feb.19,2002 due to a monitoring system failure of P13 station,which caused a frequent close/open actions of circuit breakers and tripping of line and transformer protection relays,then finally the step out of Yanggao 220 kV system and the 500 kVsystem.With the fault recording document of the oscillograph and field test,an analysis was carried out on relay protection action during the accident process to provide important evident for failure analysis.

关 键 词：南桥变电站 500kV系统 事故分析 继电保护 电力系统 上海 

分 类 号：TM63[电气工程—电力系统及自动化] TM77