巨磁阻传感器在智能高压开关柜中的应用
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摘要
提出一种基于巨磁阻传感器的智能高压开关柜大电流测量方法。在论述巨磁阻效应及其测量机理的基础上,给出一套大电流测量和预警系统设计方案,说明了该系统的硬件和软件设计过程。通过实验的方法验证了巨磁阻传感器测量系统的稳定性和准确性。
A large current measurement method for intelligent high-voltage switchgear based on GMR magnetic sensor was proposed. On the basis of discussing the GRM effect and its measuring mechanism,the designing scheme for super-current measurement and early warning system was presented,including design process of the hardware and software of the system in detail. The experimental results verify both stability and accuracy of the GMR magnetic sensor measurement system.
A large current measurement method for intelligent high-voltage switchgear based on GMR magnetic sensor was proposed. On the basis of discussing the GRM effect and its measuring mechanism,the designing scheme for super-current measurement and early warning system was presented,including design process of the hardware and software of the system in detail. The experimental results verify both stability and accuracy of the GMR magnetic sensor measurement system.
引文
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[11]王善祥,王中旭,胡军,等.基于巨磁阻效应的高压宽频大电流传感器及其抗干扰设计[J].高电压技术,2016,42(6):1715~1723.
[2]李东昇,程武山.基于TMR磁传感器的电力系统大电流测量[J].传感器与微系统,2013,32(12):131~134.
[3]廖萍,孔翠香,杨建平.基于巨磁阻传感器的电源逆变器过流保护电路设计[J].井冈山大学学报(自然科学版),2018,(3):40~43.
[4]岳芸,梅军,郑建勇,等.巨磁电阻传感器的研究与应用[J].电工电气,2011,(4):32~35.
[5] Reimund V,Pelkner M,Kreutzbruck M,et al. Sensitivi-ty Analysis of the Non-destructive Evaluation of Micro-cracks Using GMR Sensors[J]. NDT&E International,2014,64:21~25.
[6]王婧怡,钱政,王现伟.巨磁阻传感器动态特性测量方法的研究[J].电测与技术,2016,53(1):38~42.
[7]王诗月,刘明光,王圣昆,等.面向GIC的巨磁阻电流传感器的特性研究[J].中国科学:技术科学,2018,48(1):67~78.
[8]范晶晶,张晓娟,王振,等.基于巨磁阻传感器的无损检测系统研究与设计[J].电子测量技术,2015,38(7):97~102.
[9]胡军,赵帅,欧阳勇,等.基于巨磁阻效应的高性能电流传感器及其在智能电网的量测应用[J].高电压技术,2017,43(7):2278~2286.
[10]杨志成,车振.数字补偿式巨磁阻抗传感器设计[J].传感器与微系统,2016,35(2):100~102.
[11]王善祥,王中旭,胡军,等.基于巨磁阻效应的高压宽频大电流传感器及其抗干扰设计[J].高电压技术,2016,42(6):1715~1723.