Study of wavelet-based ultra high speed directional transmission line protection

被引：101

作者：

Chen, W ^{[1
]}

Malik, OP ^{[1
]}

Yin, XG ^{[1
]}

Chen, DS ^{[1
]}

Zhang, Z ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2003年 / 18卷 / 04期

关键词：

directional; power system protection; traveling wave; wavelet;

D O I：

10.1109/TPWRD.2003.817511

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：

A novel wavelet-based directional protection scheme is presented in this paper. Using the theory of wavelet singularity detection as a powerful signal-processing tool, the initial arrival of the traveling wave and its sign can be identified reliably. Characteristics of the proposed directional protection algorithm are analyzed and results of simulation studies are-given. The wavelet-based directional protection scheme solves several problems existing in current protective relays and is suitable for use as an ultra high speed UHV/EHV transmission line protective relay.

引用

页码：1134 / 1139

页数：6

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