Wavelet entropy measure definition and its application for transmission line fault detection and identification (Part II: fault detection in transmission lin)

被引：0
|
作者：
He Zheng-you [1 ,2 ]
Chen Xiaoqing [1 ]
Fu Ling [1 ]
机构：
[1] Southwest Jiaotong Univ, Sch Elect Engn, Chengdu 610031, Peoples R China
[2] North China Elect Power Univ, Key Lab Power Syst Protect & Dynam Secur Monitori, Minist Educ, Beijing, Peoples R China
来源：
2006 INTERNATIONAL CONFERENCE ON POWER SYSTEMS TECHNOLOGY: POWERCON, VOLS 1- 6 | 2006年
关键词：
wavelet transform; wavelet entropy; fault detection; transmission line;
D O I：
暂无
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：
Detection of Faulty transient is a important problem in transient protection. In order to detect out the faults timely and reliably, a set of effective method for fault detection would be necessary. This paper built a model of 500kV HV transmission line and simulated the fault detection of single-phase-to-ground uder various conditions. Based on the definition of WEE, WTE, WSE, WTFE, WAE and WDE, the paper put them into application of faulty transient detection for the first time and analyzed the detecting ability of each wavelet entropy. Finally, the simulations which compared wavelet entropy with wavelet modulo maximum prove that the fault detection based on wavelet entropy is superior to other methods.
引用
收藏
页码：640 / +
页数：3
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