针对电容性变电设备的绝缘介质损耗角测量不高的现状，利用相对比较法对两组电流进行了测量，并对其进行信号处理，由程序可得较为精确的结果-Substation equipment for capacitive dielectric loss angle measurement is not high status, the use of relatively France currents were measured in both groups, and its signal processing