基于磁场传感器阵列的电流测量方法研究进展  

Research Progress of Current Measurement Method Based on Magnetic Sensor Array

作　　者：胡军[1,2] 马浩宇 李鹏[2,3] 田兵 刘仲 吕前程 HU Jun;MA Haoyu;LI Peng;TIAN Bing;LIU Zhong;LÜQiancheng(Department of Electrical Engineering,Tsinghua University&State Key Lab of Operation and Control of New-generation Power System,Beijing 100084,China;Tsinghua University(Department of Electrical Engineering)-China Southern Power Grid Digital Grid Research Institute Co.,Ltd Joint Research Center for Smart Sensor and Transparent Grid,Beijing 100084,China;China Southern Power Grid Digital Grid Research Institute,Guangzhou 510663,China)

机构地区：[1]清华大学电机系及新型电力系统运行与控制全国重点实验室,北京100084 [2]清华大学(电机系)–南方电网数字电网研究院智能传感与透明电网联合研究中心,北京100084 [3]南方电网数字电网研究院,广州510663

出　　处：《高电压技术》2023年第5期1779-1794,共16页High Voltage Engineering

基　　金：国家自然科学基金(52125703);南方电网数字电网研究院科技项目(2100002020030103SJ01718);四川省科技计划项目(2021YFG0348)。

摘　　要：在电力系统的电流测量领域,磁传感器阵列具有非接触性、体积小、线性度高、抗干扰能力强、温漂小、频带宽以及成本低等优势。该文对磁传感器阵列技术在电力系统电流测量领域的研究进行了综述,介绍了不同被测对象所对应的磁传感器阵列方案,总结归纳了圆形阵列、矩形阵列等常见的磁场传感器阵列方案的研究进展,分析了偏心、串扰与倾斜等磁传感器阵列方案常见的误差来源。已有研究表明,磁场传感器阵列技术在电力系统的电流测量领域具有成本低、精度高、宽范围、宽频带、采用非接触式设计等优势,未来将在智能电网中获得更广泛的应用。In the field of current measurement in power systems,magnetic sensor arrays have the advantages of non-contact,small size,high linearity,strong anti-interference ability,small temperature drift,wide frequency band,and low cost.In this paper,the research of magnetic sensor array technology in the field of current measurement in power systems is reviewed.Moreover,the magnetic sensor array schemes corresponding to different measured objects are introduced,the research progress of common magnetic sensor array schemes such as circular array and rectangular array is summarized,and the common error sources of magnetic sensor array schemes such as eccentricity,crosstalk,and tilt are analyzed.Existing studies have shown that magnetic sensor array technology has advantages in low cost,high accuracy,wide range,wide bandwidth,and non-contact design,and it will have a wider range of applications in smart grids in the future.

关 键 词：电流测量 磁场传感器 传感器阵列 圆形阵列 偏心 串扰 智能电网 

分 类 号：TM933.1[电气工程—电力电子与电力传动]