用Rogowski线圈测量微小电流  

Slim Amplitude Current Measurement Using Rogowski Coil

作　　者：赵玉富[1] 叶妙元[1] 贺志容[1] 杨先明 叶继红 

机构地区：[1]华中科技大学,武汉430074 [2]广州伟钰光电科技有限公司,广州511400

出　　处：《高电压技术》2004年第7期12-13,共2页High Voltage Engineering

摘　　要：介绍了通过连续电路处理的Rogowski线圈测量小电流的原理及其实现 ,并给出额定电流 0 2A时的试验结果 ,其精度达到 0 2级。Rogowski线圈的线性度好、无磁饱和、测量频率范围宽、结构简单 ,适应了电力系统在线测量、数字化继保、控制、故障诊断及电力系统光纤网的发展趋势。The merits of Rogowski coil are good linearity, no magnetism saturation, very large scope of measurement frequency and simple structure and so on. It makes Rogowski coil suitable to measurement on-line, digital relay, control in time, diagnoses of fault and measurement of slim current by circuit disposing. The basic theory and the realization is given, and the three applications are given. At last, the test results with rated current is 0.2 A, prove the precision to be grade 0.2.

关 键 词：ROGOWSKI线圈 测量 微小电流 应用 

分 类 号：TM933.1[电气工程—电力电子与电力传动]