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Power quality harmonic detection based on Fast-ICA

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2 Author(s)
Ran Xixi ; Sch. of Electr. & Inf. Eng., Xihua Univ., Chengdu, China ; Zhou Qun

The main methods of power quality's harmonics detection are based on instantaneous reactive power theory, FFT and wavelet transform. A method of detecting power quality's harmonics based on ICA is proposed. First, independent component analysis method is introduced briefly, then using the Fast - ICA algorithm and negative entropy great independence standards to implement the estimations of harmonics signal, obtain base wave signal and every harmonic signal. The simulation results show that this method can accurately detect every harmonic composition of the multiple harmonics and it is not sensitive to noise. So it is suitable to the detection of power quality's harmonics.

Published in:

Power Engineering and Automation Conference (PEAM), 2011 IEEE  (Volume:3 )

Date of Conference:

8-9 Sept. 2011