A new power quality deviation index based on principal curves

被引：21

作者：

Ferreira, Danton D. ^{[1
]}

de Seixas, Jose M. ^{[2
]}

Cerqueira, Augusto S. ^{[3
]}

Duque, Carlos A. ^{[3
]}

Bollen, Math H. J. ^{[4
]}

Ribeiro, Paulo F. ^{[5
]}

机构：

[1] Univ Fed Lavras, Lavras, MG, Brazil

[2] Univ Fed Rio de Janeiro, COPPE Poli, Rio De Janeiro, RJ, Brazil

[3] Univ Fed Juiz de Fora, Dept Elect Circuits, BR-36036900 Juiz De Fora, MG, Brazil

[4] Lulea Univ Technol, Dept Engn Sci & Math, Energy Sci Div, S-95187 Lulea, Sweden

[5] Univ Fed Itajuba, Itajuba, MG, Brazil

来源：

ELECTRIC POWER SYSTEMS RESEARCH | 2015年 / 125卷

关键词：

Power system; Principal curves; Electric power quality; SYSTEM;

D O I：

10.1016/j.epsr.2015.03.019

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：

In this paper, a new power quality deviation index based on principal curves is proposed. The index provides a quantitative measure, which gives an idea of how much the monitored electrical signal has deviated from the nominal one. Differently of existing indices, the proposed index is a general index, i.e., it can be used for any type of disturbance in the monitored signal. In addition, the proposed index is used to perform a direct approach for detecting disturbances in power signals. This approach is able to detect the beginning and localize the disturbance by analyzing non-overlapping signal windows of one cycle of the fundamental component, leading to a simple method in terms of computational complexity. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：8 / 14

页数：7

共 17 条

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