A型地铁车辆的磁调制式差动电流传感器

Differential Current Sensor with Magnetic Modulation for A Type Metro Vehicle

分析了磁调制式差动电流传感器在A型地铁车辆高压柜电路中的功能,阐述了高导磁环形镍铁合金铁心线圈构成的差动电流传感器的电路原理,并简要介绍了该差动电流传感器的外形结构和材料特点,列出了传感器的主要技术参数,运用证明该差动电流传感器工作性能可靠、稳定。

The functions of the differential current sensor with magnetic modulation are analyzed when applied to the high voltage cabinet of A type metro vehicle. It is explained the circuit principle of the differential current sensor, which is composed of nickel-iron core wires with high-conductance magnetic ring. The external structure and material characteristics are introduced briefly for the current sensor. Main technical parameters are listed. Applications show that the differential current sensor is reliable and stable.