Classification of Power Quality Disturbances at Power System Frequency and Out Of Power System Frequency Using Suport Vector Machines

• Autorzy: Arikan Ç. , Özdemir M.

Warianty tytułu

PL

Klasyfikacja zakłóceń jakości energii w systemie elektroenergetycznym w częstotliwości sieciowej i poza nią – metoda wektorów nośnych

• Języki publikacji: EN

Abstrakty

EN

In this paper, firstly it is tried to classify pure sine and power quality disturbances (PQD) such as voltage sag, voltage swell, voltage with harmonics, transients and flicker at power system frequency (50 Hz). Wavelet transform (WT) is used to extract distinctive features. Wavelet energy criterion is applied to wavelet detail coefficients. It is seen that classification performance of support vector machine (SVM) used as classifier is well. Then pure sine and PQD, that are out of power system frequency, are tried to classify. Curve fitting approach is used for estimating frequency. It is observed that SVM classifies PQD signals well when frequency of pure sine is updated with the frequency of PQD even if they deviate from 50 Hz.

PL

W artykule przedstawiono sposób wykorzystania transformaty falkowej do wykrycia i analizy podstawowych zaburzeń napięcia jakości energii w sieci elektroenergetycznej (50Hz). W celu estymacji częstotliwości zastosowano metodę dopasowania krzywej. Stwierdzono, że metoda wektorów nośnych (ang. Support Vector Machine) poprawnie klasyfikuje zakłócenia mocy, nawet dla częstotliwości odmiennych niż 50Hz.

Słowa kluczowe

EN

power quality; disturbance; wavelet transform; support vector machine (SVM); classification

PL

transformata falkowa; maszyna wektorów nośnych; metoda wektorów nośnych; zakłócenia; jakość energii

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 1a
• Strony: 284--291
• Opis fizyczny: Bibliogr. 56 poz., rys., schem., tab., wykr.

Twórcy

autor

Arikan Ç.

• Yıldız Teknik Üniversitesi

autor

Özdemir M.

• Ondokuz Mayıs Üniversitesi

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