GMR电流传感器的研究

Research on GMR Current Sensors

本文介绍了GMR电流传感器在电网测量中的应用背景及其发展历程,对比了GMR传感器与传统的电流测量传感器,讨论了GMR传感器的电桥结构及原理,阐述了基于GMR效应的电流传感器的设计思路,并分析了近年来针对于不同的测量环境而设计的几种GMR电流传感器。最后,总结了GMR传感器在电网量测中的不足。

This paper introduces the application background and development process of GMR current sensors in power grid measurement and compares them with traditional current measurement sensors.It discusses the bridge structure and principle of GMR sensors,the design of current sensors based on the GMR effect,and analyzes several GMR current sensors designed for different measuring environments in recent years.Finally,it summarizes the shortcomings of GMR sensors in power grid measurement.