New method for measuring power system frequency based on least square fit

被引：0
|
作者：
Hu, Shaomin [1 ]
机构：
[1] Natl Univ of Defence Technology, Changsha, China
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2000年 / 24卷 / 16期
关键词：
Algorithms - Curve fitting - Electric frequency measurement - Harmonic analysis - Least squares approximations;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new algorithm based on the least square fit technique for measuring power system frequency is presented . The algorithm has the advantage of less computation and of fast response, and is free from the influence of the DC component. A preprocessing algorithm is also presented, which can effectively suppress the second harmonic and the third harmonic. Experimental results show the effectiveness of the new algorithm for measuring power system frequency.
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页码：32 / 34
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