Improvement of Input Power Factor in PWM AC Chopper by Selecting the Optimal Parameters

• Autorzy: Aurasopon, A. , Khamsen, W.

Warianty tytułu

PL

Optymalny dobór elementów choppera PWM AC w celu poprawy wejściowego współczynnika mocy

• Języki publikacji: EN

Abstrakty

EN

A technique for selecting the element values of the PWM AC chopper circuits to improve the input power factor is presented. This technique analyzes the phase angles of input current, output current and voltage for selecting the optimal value of the filter capacitance. This produces the phase angle of input current in phase with that of input voltage. Therefore, the PWM AC chopper can operate at unity input power factor. The simulation by PSpice program and experimental results are used to verify the proposed technique.

PL

Zaprezentowano metodę selekcji elementów choppera PWM AC w celu poprawy wejściowego współczynnika mocy. Metoda polega na analizie kąta fazowego prądu wejściowego, prądu wyjściowego i napięcia w celu optymalizacji pojemności filtru. Dzięki temu chopper pracuje przy współczynniku mocy równym 1.

Słowa kluczowe

PL

chopper; współczynnik mocy; optymalizacja

EN

buck-boost; ac chopper circuits; capacitor; pulse width modulation; power factor

• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 10
• Strony: 210-216
• Opis fizyczny: Bibliogr. 15 poz., rys., tab., wykr.

Twórcy

autor

Aurasopon, A.

• Faculty of Engineering, Mahasarakham University, Mahasarakham 44150, Thailand,
• Faculty of Engineering, Rajamangala University of Technology Lanna, Lampang, Thailand

autor

Khamsen, W.

• Faculty of Engineering, Rajamangala University of Technology Lanna, Lampang, Thailand,
• Faculty of Engineering, Mahasarakham University, Mahasarakham 44150, Thailand

Bibliografia

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