电子式电流互感器测量回路异常分析及处理  

Analysis and disposal of the measuring circuit of the electronic current transformer

作　　者：宋海龙 张娟梅 SONG Hailong;ZHANG Juanmei(Maintenance Company of State Grid Ningxia Electric Power Co.,Ltd.,Yinchuan Ningxia 750011,China;Liangtian Primary School of Yinchuan Jinfeng,Yinchuan Ningxia 750011,China)

机构地区：[1]国网宁夏电力有限公司检修公司,宁夏银川750011 [2]银川市金凤区良田小学,宁夏银川750011

出　　处：《宁夏电力》2020年第1期18-22,共5页Ningxia Electric Power

摘　　要：针对直流换流站电子式电流互感器测量回路存在的问题,通过对合并单元采样板卡故障、光纤回路故障、远端模块故障等原因进行具体分析,制定了一系列处理措施及运维建议。应用结果表明:该异常分析处理方法能够有效缩短运维人员故障处理时间,能够及时发现交直流滤波器深层次隐患问题,可为其他直流换流站交直流滤波器运维管理提供参考。Aiming at the problems of the measuring circuit about the electronic current transformer in DC converter station,a series of treatment measures,operation and maintenance suggestions are made through analyzing the causes of the fault of the sampling board of the combined unit,the fault of the optical fiber circuit and the fault of the remote module.The application results show that the scientific and effective exception analysis and treatment method can effectively shorten the time of fault treatment for operation and maintenance personnel and timely discover the deep hidden problems of AC and DC filters.It is valuable for the operation and maintenance management of AC and DC filters in other converter stations.

关 键 词：直流换流站 交直流滤波器 电子式电流互感器 远端模块 合并单元 

分 类 号：TM63[电气工程—电力系统及自动化]