摘要
输电线路的破坏大多由短路故障引起.通过分析短路故障,采用提升小波对故障后的电流进行检测.仿真结果表明,提升小波能有效地检测输电线路短路故障信号的奇异点.同传统小波变换相比,提升小波变换计算速度更快,计算方法更简单.
The transmission line damage is mostly caused by short-circuited fault. The shortcircuited fault is analyzed and then the fault current is detected using lifting wavelet. The simulation results show that lifting wavelet effectively detects the signal singularity of transmission line shortcircuited fault. Compared with traditional wavelet transform, lifting wavelet transform calculates fast and easily.
出处
《上海电力学院学报》
CAS
2009年第4期329-331,357,共4页
Journal of Shanghai University of Electric Power
基金
上海市教育委员会重点学科建设项目(J51301)
国家自然科学基金(60771030)
关键词
提升小波
输电线路
短路故障
检测
lifting wavelet
transmission line
short-circuited fault
detection
