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Published Article / ENY-ARTICLE-2009-268

Power Quality in Wind Power Systems

Leonowicz, Z (Wroclaw University of Technology, Poland)


Abstract: Wind power generation systems influence power quality in a specific way making important the need for detailed and accurate evaluation of disturbances caused by wind generators. Wind power system can cause sub- and interharmonic components to appear in the spectrum of voltages and currents. The paper shows different aspects of spectrum estimation in power systems, including the doubly fed induction generator (DFIG) connected to low voltage distribution grid. Harmonic distortions caused by wind generator under various operational conditions regarding wind speed, active and reactive power are shown and discussed. Advanced spectral methods (like ESPRIT) are applied to overcome the drawbacks of Fourier based techniques.

Keyword(s): power quality ; subharmonics ; interharmonics ; parametric spectral estimation
Note: International Conference on Renewable Energies and Power Quality, Valencia, Spain 15-17. April 2009 ===BEST POSTER AWARD===

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Rekord stworzony 2009-10-27, ostatnia modyfikacja 2009-10-30

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