数字化变电站电子式电流互感器精度测量  

Precision Measurement of Electronic Current Transducer in Substation

作　　者：赵康伟[1] 徐志强[1] 周田华 张强[1] 

机构地区：[1]北京送变电公司,北京市102401

出　　处：《电力建设》2010年第6期54-57,共4页Electric Power Construction

摘　　要：根据郭家屯数字化变电站OET722ACTZ电子式电流互感器的结构特性与测量原理,分析了影响其测量精度的主要原因。电子式电流互感器由于信号输出方式的变化出现了数据同步问题,因此提出数据同步性能应成为互感器精度测试一项重要的指标。通过现场试验验证了OET722ACTZ电子式电流互感器各项性能指标。According to the structural characteristics and measuring principle of OET722ACTZ current transducer installed in Guojiatun digital substation,an analysis is made on the factors which affect the measuring precision of the transducers.It is found that the change in signal output mode resulted in data synchronization problems and it is therefore proposed in this paper that data synchronization performance should become an important criterion to judge the precision of transducers.Field tests were also carried out to verify all performances of OET722ACTZ current transducers.

关 键 词：数字化变电站 电子式电流互感器 ROGOWSKI线圈 测量精度 数据同步 

分 类 号：TM452[电气工程—电器]