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《Energy Conservation Technology》 2007-05
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Application Study of HHT Based on Harmonic Current Analysis of Power System

DENG Hui,WANG Li-guo,GAO Qiang,WU Jiang,XU Dian-guo(Dept.of Electrical Eng.,Harbin Institute of Technology,Harbin 150001, China)  
By Hilbert-Huang Transform(HHT) based on the empirical mode decomposition(EMD),the instantaneous effective signal can be obtained from the strong harmonic perturbation.The actual data of harmonic currents of 10kV power system has been analyzed according to HHT in this paper.Above harmonic current was decomposed by EMD and IMF.The results of comparing HHT with wavelet show that,HHT can obtain ideal smooth waveform from complex harmonic currents.
【CateGory Index】: TM711
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