隧道磁电阻电流传感器技术综述  

Review of tunnel magneto resistance current sensor technology

作　　者：柴正豪 周峰[1] 龙兆芝[1] 解进军 CHAI Zhenghao;ZHOU Feng;LONG Zhaozhi;XIE Jinjun(China Electric Power Research Institute,Wuhan 430074,China;State Grid Beijing Electric Power Company,Beijing 100000,China)

机构地区：[1]中国电力科学研究院,武汉430074 [2]国网北京市电力公司,北京100000

出　　处：《电测与仪表》2025年第4期180-192,共13页Electrical Measurement & Instrumentation

基　　金：国家电网有限公司科技项目(5700-202211214A-1-1-ZN)。

摘　　要：现代电力行业测量电流的方法主要依靠电流传感器,随着技术的发展和进步,电力系统迎来了前所未有的挑战,传统的电流传感技术难以适应时代的脚步,而新一代的电流传感技术也在不断演进,越来越受到各行各业的重视,并得到广泛的应用。隧道磁电阻电流传感器具有高线性度、高灵敏度、成本低、结构简单等特点,成为极具潜力的传感器产品。以隧道磁阻技术研发的电流传感器为核心,介绍了隧道磁阻电流传感器的工作原理、各种结构的优缺点及适用领域、不同缺陷的改进方法,还进一步对传感阵列研究现状以及未来展望等方面进行了综述。The current measurement method in the power industry today mainly relies on current sensors.With the development and progress of modern technology,the power system is facing unprecedented challenges.Traditional current sensing technology is difficult to adapt to the pace of the times,and the new generation of current sensing technology is constantly evolving.More and more attention by all walks of life and has been widely used.Tunnel magneto resistance current sensor has the characteristics of high linearity,high sensitivity,low cost,simple structure,etc.,so it has become a very potential sensor product.Taking the current sensor developed by tunnel reluctance technology as the core,this paper introduces the working principle of tunnel reluctance current sensor,the advantages and disadvantages of various structures and their application fields,and the improvement methods of different defects.Furthermore,it summarizes the research status and future prospects of sensor array.

关 键 词：电流传感器 隧道磁电阻 温度漂移 噪声削弱 环形阵列 

分 类 号：TM933[电气工程—电力电子与电力传动]