Power Quality Disturbance Research of Grid-Connected Wind Generation Based on Fractional Fourier Transform with Wavelet Entropy

Hua Li Chen; Yun Lian Sun

doi:10.4028/www.scientific.net/AMM.130-134.1600

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134Power Quality Disturbance Research of...

Power Quality Disturbance Research of Grid-Connected Wind Generation Based on Fractional Fourier Transform with Wavelet Entropy

Abstract:

In the process of connected wind generation with the power grid, the classification and recognition of power quality disturbance signals which are researched by the scholars at home and abroad are always the hot issues in Power System. A new method using Fractional Fourier Transform (FRFT) with Wavelet Entropy is presented for recognizing the signals of PQ disturbance based on the characteristics of power quality (PQ) signals. FRFT have better time-frequency aggregation and can choose better domain instead of and make PQ disturbance recognize more accurately with wavelet entropy. Simulation results demonstrate its effectiveness.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

1600-1604

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.1600

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Online since:

October 2011

Authors:

Hua Li Chen, Yun Lian Sun

Keywords:

Fractional Fourier Transform (FrFT), Grid-Connection, Power Quality Disturbances, Wavelet Entropy, Wind Generation

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