A Wavelet Based Technique for DFIG Harmonic Reduction in Frequency Domain Based Model of Power System Using Active Filter

This paper presents a technique to reduce the harmonics in wind turbines by using active filter. In this paper, using a frequency based model of power system and using an active filter, the power system harmon ics are decreased and consequently power quality of electrical network will be imp roved. In fact the technique is a combination of wavelet analysis and active filter in a frequency domain based model of the power netwo rk. The results show the powerfulness of the presented method for imp roving the power quality indexes of the electrical network. Vast simulations are performed by PSCAD/ EMTDC software and the results are satisfactory in all scenarios.

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