摘要
对于输电线路的距离保护,数字滤波器的性能直接影响着保护操作的效果。给出了一个基于小波的滤波算法,它可用于微机继电保护装置中。仿真结果验证了这种新算法对输电线路距离保护的有效性。结果同时显示,该算法精确度高,且收敛速度快。
For transmission line distance protection,the performance of digital filter significantly influences the effectiveness of the relaying.A wavelet-based filter algorithm was presented,which can be used in microprocessor-based protection(relays;) The effectiveness of this new algorithm for transmission line distance protection was validated by simulation results.The results also show the high precision and rapid velocity of convergence of the new algorithm.
出处
《机电工程》
CAS
2006年第8期8-11,共4页
Journal of Mechanical & Electrical Engineering
基金
浙江省自然科学基金资助项目(Y104503)
关键词
电网的距离保护
电力系统继电保护
小波变换
transmission line distance protection
power system relaying
wavelet transforms
