Detection of crosscountry fault and multiple disturbances in oscillographic data based on wavelet transform

被引：0

作者：

Costa F.B. ^{[1
]}

De Souza B.A. ^{[1
]}

Brito N.S.D. ^{[1
]}

机构：

[1] Universidade Federal de Campina Grande - CEEI/UAEE/GSE, Bodocongó 58109-970 Campina Grande

来源：

Controle y Automacao | 2010年 / 21卷 / 02期

关键词：

Developing fault; Records with multiple disturbances; Wavelet transform;

D O I：

10.1590/s0103-17592010000200006

中图分类号：

学科分类号：

摘要：

This paper presents an automatic fault detection method based on the analysis of the wavelet coefficient energies of the phase voltages and currents. The method detects developing faults and multiple transient disturbances such as a fault followed by an automatic line reclosing in a single oscillographic record. The method also sort fault from some power quality disturbances such as voltage sags and switching transients. The times regarding the fault inception and clearance are also identified. Records from a nonspecific line in a generic network with different sampling rates and rated voltages can be evaluated without distinction. The performance of the method was evaluated for both actual and simulated data and good results were obtained.

引用

页码：173 / 184

页数：11

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