A Novel Prony Approach for Synchronous Generator Parameter Estimation

• Autorzy: Santana D. M. M , Ferreira N. R , Costa F. F , Lima A. C.

Warianty tytułu

PL

Nowa metoda bazująca na algorytmie Prony do określania parametrów generatora synchronicznego

• Języki publikacji: EN

Abstrakty

EN

In this paper we propose to use a novel Prony’s approach, relying on suitable time-segmentation of current oscillograms and proper model order choice, to estimate transient and sub-transient parameters of synchronous generators associated to sudden three-phase short-circuit tests. Comparison between the proposed approach and a traditional graphical method, described in the IEEE-115 standard, has been performed. The current data used here have been generated from characteristic equations of short-circuit armature current. Based on these results, we conclude that the Prony’s algorithm is a suitable alternative to the graphical method for parameter estimation in synchronous machines, providing more accurate estimates than the later approach.

PL

W artykule zaproponowano system, bazujący na algorytmie Prony, służący do analizy stanów przejściowych w generatorze synchronicznym poddanym testom trójfazowego zwarcia. Porównano tę metodę z tradycyjną metodą bazującą na normie IEEE-115. Algorytm wykorzystujący metodę Prony był bardzie dokładny.

Słowa kluczowe

EN

Prony algorithm; synchronous generator; parameter estimation; short circuit test

PL

algorytm Prony; generator synchroniczny; test zwarciowy

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2015
• Tom: R. 91, nr 1
• Strony: 50--54
• Opis fizyczny: Bibliogr. 16 poz., rys., tab.

Twórcy

autor

Santana D. M. M

• Federal Institute of Sergipe, Av. Engenheiro Gentil Tavares 1166, 49055-260, Aracaju-SE-Brazil

autor

Ferreira N. R

• Federal University of Bahia, Department of Electrical Engineering, Rua Aristides Novis 2, 40210-630, Salvador-BA-Brazil

autor

Costa F. F

• Federal University of Bahia, Department of Electrical Engineering, Rua Aristides Novis 2, 40210-630, Salvador-BA-Brazil

autor

Lima A. C.

• Federal University of Bahia, Department of Electrical Engineering, Rua Aristides Novis 2, 40210-630, Salvador-BA-Brazil

Bibliografia

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