摘要
通过对典型励磁涌流和常见变压器内部故障的电流波形进行分析,总结归纳出一种基于小波变换的差动保护算法。
Through the analysis of the typical magnetizing inrush current and normal internal fault current wave,a differential protection algorithm in power transformer based on wavelet transform has been presented.
出处
《电气开关》
2011年第3期29-32,35,共5页
Electric Switchgear
关键词
励磁涌流
内部故障
小波变换
magnetizing inrush current
internal fault current
wavelet transform
