摘要
为准确测量容性设备的介质损耗角,采用小波变换进行低频重构的方法分别求出电压、电流的自相关函数及电压与电流的互相关函数,然后再用相关函数法计算介质损耗角。仿真结果表明:该算法的测量误差曲线基本呈线性,为绝缘介质损耗角提供了科学准确的测量方法。
Aimed at accurately measuring the dielectric loss angle of capacitive equipment, this paper offers the voltage autocorrelation function, the current autocorrelation function, and the cross-correlation function, developed by the low-frequency reconstruction on wavelet transform, together with the cal- culation of the dielectric loss angle through the correlation function. The simulation suggests that this algorithm with the error measuring curve of the basic linearity promises as a reliable scientific method for the measurement of dielectric loss angle
出处
《黑龙江科技学院学报》
CAS
2012年第3期273-276,205,共4页
Journal of Heilongjiang Institute of Science and Technology
基金
黑龙江省教育厅科学技术研究项目(11551426)
关键词
介质损耗角
小波变换
相关函数
算法
dielectric loss angle
wavelet transform
correlation function
algorithm
