基于雷电流引发空间磁场的雷电流测量传感器线圈研制  

Development of Lightning Current Sensor Coil Based on Lightning Space Magnetic Field

作　　者：王黎明[1] 闫石[1] 李夏喜[2] 梅红伟[1] 邢琳琳[2] 钱迪[2] 

机构地区：[1]清华大学深圳研究生院,深圳518055 [2]北京市燃气集团有限责任公司,北京100035

出　　处：《高电压技术》2016年第11期3392-3398,共7页High Voltage Engineering

基　　金：国家自然科学基金(51307094)~~

摘　　要：为了同时实现对雷电流的测量和定位功能,研制了一种新颖的雷电流测量传感器。基于雷电流引发的空间磁场原理,对传感器线圈的物理模型、几何参数、生产制造工艺等进行了详细研究,研制了相应的线圈。通过试验验证了该传感器线圈实测参数与理论设计参数的一致性及其雷电流响应特性。试验结果表明:线圈参数误差在可接受范围之内;幅值与频率响应特性良好,可以满足雷电流测量需求;线圈输出电压与雷电流幅值呈线性关系,与测量距离呈二次反比关系,与理论一致。通过试验标定了该传感器线圈的灵敏度,获得了传感器线圈输出电压幅值与雷电流幅值及测量距离的关系表达式,为现场应用提供了重要的理论和试验依据。Aiming at simultaneously achieving the measuring and locating function of lightning current, we developed a new lightning current sensor. We introduced the physical model, geometric parameters, and manufacturing process of the lightning current sensor, and developed the corresponding sensor coil based on lightning space magnetic field. The con- sistency between actual parameters and theoretical design parameters and the lightning current response characteristics of the sensor coil were verified by calibration experiments. The experimental results show that the coil parameters error in the acceptable range, the amplitude and frequency response is good, which can meet the demands of lightning current measurement. The output voltage of the coil is linearly proportional to the lightning current amplitude, and inversely proportional to the square of measuring distance, which is in agreement with the theory. The sensitivity of the sensor can be calibrated and the formula can be determined to demonstrate sensor output voltage, lightning current amplitude and measuring distance, providing a theoretical and experimental evidence for practical implementation.

关 键 词：雷电流 空间磁场 传感器 测量线圈 理论计算 试验研究 

分 类 号：TM866[电气工程—高电压与绝缘技术]