Harmonic detection using fuzzy LMS algorithm for active power filter

被引：0

作者：

Qu, Yilong ^{[1
]}

Tan, Weipu ^{[1
]}

Dong, Yimai ^{[1
]}

Yang, Yihan ^{[1
]}

机构：

[1] N China Elect Power Univ, Dept Elect & Elect Engn, Beijing 102206, Peoples R China

来源：

2007 CONFERENCE PROCEEDINGS IPEC, VOLS 1-3 | 2007年

关键词：

harmonic current detection; adaptive filter; fuzzy rule based; active power filter;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Successful control of active power filter requires an accurate current reference. However the conventional detecting methods for harmonic currents have various limitations. Base on adaptive interference canceling theory, this paper presents an adaptive least mean squares (LMS) algorithm employing fuzzy step size for the fast estimation of harmonic current signals in power networks. The learning parameter of the proposed algorithm is constrained by two variable parameters. By using a fuzzy logic based step size update method which causes an automatic suitable adjustment of the step size, the present method can provide fast convergence and noise rejection for the tracking of fundamental and harmonic components from distorted signals. The results of computer simulations and physical experiments have proved the proposed algorithm is practicable.

引用

页码：1065 / 1069

页数：5

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