A protection and fault location scheme for EHV line with series capacitor based on travelling waves and wavelet analysis

被引：0
作者：
Huang, ZJ [1 ]
Chen, YP [1 ]
Gong, QW [1 ]
机构：
[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Hebei, Peoples R China
来源：
POWERCON 2002: INTERNATIONAL CONFERENCE ON POWER SYSTEM TECHNOLOGY, VOLS 1-4, PROCEEDINGS | 2002年
关键词：
edge detection; EHV line; fault location; identification; Lipschitz exponent; protection; series capacitor compensation; travelling waves; wavelet; wavelet modulus maxima;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A scheme based on wavelet for construction of the fast protection and fault location for series compensation is described in this paper. Current travelling waves, which are more easily captured than voltage waves, are used and decomposed into mode components. The line mode component is represented by its wavelet modulus maxima. The incident and reflection travelling waves are identified by analyzing the amplitudes and polarities of their wavelet modulus maxima. The interval between incident and reflection travelling waves reveals the fault position. EMTP simulations proved that the scheme is correct and effective.
引用
收藏
页码：290 / 294
页数：5
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