基于apFFT-AMD的密集频率谐波/间谐波检测

孙曙光,田朋,杜太行,王景芹

Dense frequency harmonic/interharmonic detection based on apFFT-AMD

Shu-guang SUN,Peng TIAN,Tai-hang DU,Jing-qin WANG

表 2 该方法和EMD各分量参数的检测结果

Tab.2 Parameter detection results of each component with proposed method and EMD

分量 本文方法 EMD fe/Hz ξf/% Ie/A ξI/% fe/Hz ξf/% Ie/A ξI/% 1 20.07 0.35 1.04 4.00 19.92 0.40 0.86 14.00 2 50.08 0.24 14.96 0.27 49.92 0.56 14.28 4.80 3 99.95 0.45 7.99 0.13 99.92 0.48 8.00 0.00 4 228.00 0.00 4.00 0.00 227.93 0.03 3.96 1.00 5 519.98 0.01 2.00 0.00 519.91 0.02 2.00 0.00