基于矢量乘法器的最优滤波电力设备介质损耗角的实时测量方法

摘要

研究了一种以矢量乘法器为基础、能够实现最优滤波的实时测量电力设备介质损耗角的方法,提出了该方法的原理,并分析了测量方法误差及影响测量准确度的因素.给出了测量误差的估计公式.%A real-time measuring method for dielectric loss angle of electrical equipment which can realize the best filter is investigated.The new measuring idea is based on vector multiplier.The principle of this measuring method is described and the error of the method is analyzed and the influence factors of measurement accuracy quantitatively and qualitatively are put forward.At last,error estimation is given.