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Published Article / AZ I07/2009/I-001 ENY-ARTICLE-2009-254

Power Distortion Issues in Wind Turbine Power Systems Under Transient States

Lobos, T (Wroclaw University of Technology) ; Rezmer, J (Wroclaw University of Technology) ; Sikorski, T (Wroclaw University of Technology) ; Waclawek, Z (Wroclaw University of Technology)


Abstract: In this paper time-frequency methods have been investigated for complex investigations of transient states in wind power plants. Application of parallel processing in time and frequency domain brought new findings in description of wind power plants working under transient conditions. Proposed algorithms represents standard Short-Time Fourier Transform (STFT) as well as alternative methods associated with Cohen’s class: Choi-Williams Distribution (CWD) and Zhao-Atlas-Marks Distribution (ZAMD). In order to explore advantages and disadvantages of the method several experiments were performed using model of squirrel-cage induction machine connected directly to the grid. Investigated phenomena concerned power distortion caused by switching-on capacitor banks and faults as well as influence of wind speed on instantaneous character of the transient states.

Keyword(s): Power quality ; power system harmonics ; time-frequency analysis ; wind power plants
Note: Elektrik : Turkish Journal of Electrical Engineering and Computer Sciences. 2008, vol. 16, No. 3, pp. 229-238

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Cited by: try citation search for ENY-ARTICLE-2009-254; AZ I07/2009/I-001

Rekord stworzony 2009-03-15, ostatnia modyfikacja 2009-03-16

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