Harmonics and interharmonics analysis of power signals using Gaussian filter banks
作者： Anca Miron , Mircea D. Chindris , Andrei Cziker
DOI: 10.1109/UPEC.2014.6934606
关键词: Fourier transform 、 Fast Fourier transform 、 Gauss 、 Algorithm 、 Gaussian filter 、 Fundamental frequency 、 Harmonics 、 Electronic engineering 、 Mathematics 、 Frequency domain 、 Short-time Fourier transform
摘要: The paper presents a method based on the Fast Fourier Transform and Gauss Window combined with recursive algorithm for estimation of voltages currents harmonics interharmonics. proposed uses pairs band-pass filters to obtain frequency domain components power signals. emerge from grouping made between Transform. outputs these are attenuated copies input distorted signals they utilized calculate characteristics harmonic interharmonic present in spectrum analysis is performed time interval equivalent 10 cycles fundamental as standard literature recommends. was implemented virtual instrument used process synthetic field data. obtained results showed high precision interharmonics detection, no leakage effect even case deviation.
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