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电网技术  2011 

基于小波滤波和跟踪微分器的介质损耗因数检测方法

, PP. 223-226

Keywords: 小波滤波,跟踪微分器,介质损耗因数,线性拟合

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Abstract:

提出了一种新的介质损耗因数检测方法,将电压与电流信号经过小波滤波得到基波分量,利用跟踪微分器求得电压的一阶微分信号,再根据电压信号、电流信号和电压一阶微分信号计算介质损耗因数。仿真结果表明该算法物理意义明确、计算简单、测量结果精确,可用于介质损耗因数的离线测量与在线监测。

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