Algorithms of Wavelet Transform in Ultra-High-Speed Protection for Transmission Line

曹瑞峰 1; 张保会 1; 罗四倍 1; 段建东 2

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Algorithms of Wavelet Transform in Ultra-High-Speed Protection for Transmission Line

更新时间：2025-12-08

- Algorithms of Wavelet Transform in Ultra-High-Speed Protection for Transmission Line
- Vol. 42, Issue 2, Pages: 194-198(2008)
- 作者机构：
  
  西安交通大学电气工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM77
- Online First：10 February 2008，
  
  Published：2008
- 稿件说明：
移动端阅览
曹瑞峰 1, 张保会 1, 罗四倍 1, et al. Algorithms of Wavelet Transform in Ultra-High-Speed Protection for Transmission Line[J]. 2008, 42(2): 194-198.
DOI：

曹瑞峰 1, 张保会 1, 罗四倍 1, et al. Algorithms of Wavelet Transform in Ultra-High-Speed Protection for Transmission Line[J]. 2008, 42(2): 194-198. DOI：

摘要

使用不同的小波算法

即Mallat算法和提升算法分别编程实现输电线路超高速保护

从而进行对比研究

利用提升算法在运算量上的优势

对相同运算量下小波消失矩阶数的提高与保护性能之间的关系进行了探讨.通过大量的ATP仿真测试

对比使用不同算法时各个保护元件的出口速度、存量要求、灵敏度及可靠保护范围.研究结果表明

使用了提升算法的超高速保护在不影响其他性能的前提下可以有效地提高保护的出口速度

降低存量要求

最终证明了提升小波算法在超高速保护实现中的可行性和优越性

并指出小波消失矩阶数应恰当选取

并非越高越好.

Abstract

Two algorithms of wavelet transform

Mallat algorithm and lifting scheme are adopted to realize the ultra-high-speed protection for EHV transmission line

and the performance is investigated. Through a large number of ATP simulations and comparison of operation speed

requirement for auxiliary memory

sensitivity

reliable protection zone between Mallat algorithm and lifting scheme

it indicates that lifting scheme enables to evidently improve the performance of ultra-high-speed protection on operation speed and memory requirement without effects on the other characteristics

and the order of wavelet vanishing moment ought to be selected properly for ultra-high-speed protection.

关键词

Keywords

references

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段建东, 张保会, 周艺, 等. 基于暂态量的超高压输电线路故障选相[J]. 中国电机工程学报, 2006, 26(3): 1-6.

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段建东, 张保会, 李鹏, 等. 超高压输电线路单端暂态量保护元件的实用算法[J]. 中国电机工程学报, 2007, 27(7): 45-51.

DUAN Jiandong, ZHANG Baohui, LI Peng, et al. Principle and algorithm of non-unit transient-based protection for EHV transmission lines[J]. Proceedings of the CSEE, 2007, 27(7): 45-51.

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