傅氏算法在微机保护应用中的探讨
PROCEEDINGS OF THE ELECTRIC POWER SYSTEM AND AUTOMATION(2005)
Abstract
傅氏算法由于其良好的滤波性能在电力系统微机保护中得到了广泛的应用.但从近几年发表的相关傅氏算法的文献来看,很多文章中关于信号相量的实部和虚部表达式有错误.这里通过详细的数学推导,给出了在不同数学模型下信号相量实部和虚部的具体表达式,并讨论了各种错误在微机保护应用中带来的问题.
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Key words
fourier algorithm,protection
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