A Recursive Least-Squares Aided by Pre-filtering for Phasor-Estimation in Distance Protection

被引：0

作者：

Costa, F. F. ^{[1
]}

Formiga, D. A. ^{[2
]}

Ferreira, R. R. ^{[1
]}

Sousa, T. ^{[1
]}

Costa, F. B. ^{[3
]}

机构：

[1] CECS Fed Univ ABC, BR-09210170 Santo Andre, SP, Brazil

[2] DEE Fed Univ Rio Grande do Norte, BR-58051900 Natal, RN, Brazil

[3] Univ Fed Rio Grande do Norte, Sch Sci & Technol, BR-58051900 Natal, RN, Brazil

来源：

2013 IEEE GRENOBLE POWERTECH (POWERTECH) | 2013年

关键词：

Line transmission protection; Phasor Estimation; Decaying DC offset;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents a method for phasor estimation based on a Recursive Least-Squares (RLS) algorithm aided by a morphological filter. The method has been developed in the context of line transmission protection and the the morphological filter is projected to mitigate the influence of the so-called decaying dc offset interference on the phasor estimation. The method has been tested on synthetically built signals and on signals obtained through ATP simulations of a line transmission under different conditions of fault. The results show that the method is efficient and that the morphological filter speeds up the convergence of the RLS algorithm.

引用

页数：6

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