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.
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页数：6
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