高压开关柜电流在线测量  

Current On-line Measurement of High-Voltage Switch Board

作　　者：陈田[1] 程武山[1] 

机构地区：[1]上海工程技术大学机械工程学院,上海201620

出　　处：《仪表技术与传感器》2014年第3期85-88,共4页Instrument Technique and Sensor

基　　金：上海市教委085知识创新工程资助项目(JZ0906);上海市科委重点攻关资助项目(071105121)

摘　　要：针对传统电流互感器动态范围小、体积大、成本高等问题,提出了一种基于TMR磁传感器的10 kV高压开关柜电流测量方法。在分析了TMR磁传感器测量原理和测量方法的基础上,设计了一套应用于高压开关柜电流测量的测量系统,详细介绍了该测量系统的硬件设计和软件测试流程。通过实验的方法验证了该测量方法的可行性和TMR磁传感器的测量性能,并提出了相关实验方法的改进措施。According to the disadvantages of small dynamic range,large size and high cost for traditional current transformer,a new measuring method based on the TMR magnetic sensor for the 10 kV switch board was proposed.Based on the analysis of the measurement principles and methods of the TMR magnetic sensor,a current measurement system was designed which was applied in the high voltage switch board.The hardware design and software testing process were introduced in details.The feasibility and measurement performance of the TMR magnetic sensor were verified through experiment,then a few modified measurement methods were proposed.

关 键 词：TMR磁传感器 10 kV高压开关柜 电流测量 线性度 重复性 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]