一起变压器过励磁保护动作的试验及仿真分析  

Test and Simulation Analysis of Transformer Over-Excitation Protection

作　　者：俞华[1] 杨罡[1] 王天正[1] 米康民[2] 刘永鑫[1] 陈昱同[1] 

机构地区：[1]国网山西省电力公司电力科学研究院,山西太原030001 [2]国网山西省电力公司,山西太原030001

出　　处：《变压器》2015年第11期51-55,共5页Transformer

摘　　要：对一起由电容式电压互感器二次电压异常造成500k V主变跳闸的事件进行了研究和分析,对电容式电压互感器进行了故障模拟试验和仿真分析,找到了故障原因,并提出了运行维护的措施和建议。The 500kV transformer tripping event caused by abnormal secondary circuit of capacitor voltage transformer is studied and analyzed. The capacitor voltage transformer fault is simulated and tested. The reason of fault is found. The suggestions and measures of operation and maintenance are proposed.

关 键 词：电容式电压互感器 二次回路 试验 

分 类 号：TM407[电气工程—电器]