摘要
电子式互感器是数字化变电站过程层中的关键设备,用以保证电力系统安全、可靠及经济地运行。其中,基于罗氏线圈的电子式互感器不存在磁饱和问题,频率响应范围宽,易于实现数字化。文中分析了罗氏线圈的测量原理,总结了电子式互感器的整体结构,便于进行后续积分电路的参数设计及仿真。最后,总结了目前电子式互感器研究中存在的问题,并对其发展趋势作了宏观展望。
The electronic current transformer is the key equipment in the process of digital substation layer,so as to ensure safe,reliable and economical operation of power system.Among them,the electronic transformer based on Rogowski coil there exists no problem of magnetic saturation,wide frequency response range,easy to implement digital.This paper analyzes the measuring principle of Rogowski coil,summarizes the overall structure of the electronic instrument transformer,subsequent integral circuit parameter design and simulation.Finally,the problems existing in the current research of electronic transformer is summarized,and the trend of the development of the macro-economic is outlooked.
出处
《通信电源技术》
2017年第3期73-74,共2页
Telecom Power Technology
关键词
电子式互感器
罗氏线圈
积分电路
electronic transformer
Rogowski coil
integral circuit
