High impedance faults detection technique based on wavelet transform

被引：0
|
作者：
Yang, Ming-Ta [1 ]
Guan, Jin-Lung [2 ]
Gu, Jhy-Cherng [3 ]
机构：
[1] St Johns Univ, Dept Elect Engn, 499,Sec 4,Tamking Rd, Tamsui, Taipei Hsien, Taiwan
[2] Hwa Hsia Inst Technol, Taipei, Taiwan
[3] Natl Taipei Univ Sci & Technol, Taipei 106, Taiwan
来源：
PROCEEDINGS OF THE 11TH WSEAS INTERNATIONAL CONFERENCE ON SYSTEMS, VOL 2: SYSTEMS THEORY AND APPLICATIONS | 2007年
关键词：
continuous wavelet transform; discrete wavelet transform; high impedance faults; statistical confidence;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The purpose of this paper is to solve the problem of protecting aerial lines from high impedance faults (HIFs) in distribution systems. This investigation successfully applies 3I(0) zero sequence current to solve HIF problems. The feature extraction system based on discrete wavelet transform (DWT) and the feature identification technique found on statistical confidence are then applied to discriminate effectively between the HIFs and the switch operations. Based on continuous wavelet transform (CWT) pattern recognition of HIFs is proposed, also. Staged fault testing results demonstrate that the proposed wavelet based algorithm is feasible performance well.
引用
收藏
页码：142 / +
页数：3
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