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 by the program can be made ​ ​ more accurate results