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Published Article / ENY-ARTICLE-2009-263

Computation of Spectral Components in System with Wind Generation Unit

Janik, P (Wroclaw University of Technology, Poland) ; Lobos, T (Wroclaw University of Technology, Poland) ; Rezmer, J (Wroclaw University of Technology, Poland) ; Schegner, P (Technical University of Dresden, Germany) ; Waclawek, Z (Wroclaw University of Technology, Poland)


Abstract: Signal parameters estimation is an important prerequisite for assessment of power quality (PQ) indices. Nowadays, large amounts of measured data need to be automatically processed for appropriate and useful data mining in PQ. Especially, modern wind generators are often seen as sources of PQ disturbances, which should be constantly supervised. The authors propose an application of modified Singular Value Decomposition (SVD) method for signal parameters estimation. Results of the proposed method are compared with broadly used Fourier Transform. Additionally,, results from Prony method are presented. A mechanical model of doubly fed induction generator (DFIG), operating in various conditions was chosen as a source of disturbed signals. Research results verify the usefulness of SVD based method.

Keyword(s): Power Quality ; SVD ; interharmonics ; Prony Method
Note: 2009 IEEE Bucharest Power Tech Conference, July 2009, Bucharest , Romania

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Record created 2009-10-24, last modified 2009-10-24

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