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- W2353896846 abstract "Improved Hilbert-Huang Transform(HHT) is introduced for detection and analysis of power quality in oil rig power system for the first time in this paper.Mode mixing is happened when using Traditional HHT methods directly for harmonic analysis,and all harmonic components cannot be effectively separated.The HHT method based on wavelet decomposition is used to solve the problem in this paper.Firstly,signal is filtered according to wavelet decomposition.Then,the output of signal after band filter is decomposed by EMD, and accurate IMF components are obtained.Lastly,Hilbert transform is used for the IMF components,and amplitude and frequency of corresponding time can be detected accurately and quantitatively.Simulation results show that Improved HHT has better performance in analyzing Harmonics to Traditional HHT in oil rig power system." @default.
- W2353896846 created "2016-06-24" @default.
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- W2353896846 date "2014-01-01" @default.
- W2353896846 modified "2023-09-25" @default.
- W2353896846 title "Improved HHT method in harmonic detection rig" @default.
- W2353896846 hasPublicationYear "2014" @default.
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