Comparative study of SPWM and SVPWM techniques for the control of three-phase grid connected inverter

• Autorzy: Jarjes Muhammed K. , Hussein Taha A.

Identyfikatory

DOI

10.15199/48.2023.05.21

Warianty tytułu

PL

Badanie porównawcze technik SPWM i SVPWM do sterowania falownikiem trójfazowym podłączonym do sieci

• Języki publikacji: EN

Abstrakty

EN

The importance of three-phase grid connected inverters has increased due to the increasing use of renewable energy such as photovoltaic energy, wind energy, and others. This study presents a comparison between two methods of controlling the work of the inverter. The first method is SPWM technique, and the second method is SVPWM. The comparison is in terms of THD level in the output voltage and current, as well as comparing the controlling steps for both methods under the same working conditions. The value of the coils and capacitors required in the filter circuit connecting the inverter and the grid are calculated for a power of 200KVA. An active power is injected from the inverter to the network, and it was found that the angle between the grid voltage and the inverter current is zero degrees, as well as reactive power is injected, and it is found that the angle became 90 degrees as expected. The MATLAB program is used to build both techniques. The study provides an analysis of voltages and currents at different locations between the inverter and the grid, in addition to the frequency analysis of these variables.

PL

Znaczenie inwerterów podłączonych do sieci trójfazowej wzrosło ze względu na rosnące wykorzystanie energii odnawialnej, takiej jak energia fotowoltaiczna, energia wiatrowa i inne. W pracy przedstawiono porównanie dwóch metod sterowania pracą falownika. Pierwsza metoda to technika SPWM, a druga metoda to SVPWM. Porównanie dotyczy poziomu THD w napięciu wyjściowym i prądzie, a także porównanie kroków kontrolnych dla obu metod w tych samych warunkach pracy. Wartość cewek i kondensatorów wymaganych w obwodzie filtra łączącego falownik z siecią obliczono dla mocy 200KVA. Moc czynna jest wprowadzana z falownika do sieci i stwierdzono, że kąt między napięciem sieci a prądem falownika wynosi zero stopni, podobnie jak moc bierna jest wtryskiwana i stwierdzono, że kąt wynosi 90 stopni, ponieważ oczekiwany. Program MATLAB jest używany do budowy obu technik. Opracowanie zawiera analizę napięć i prądów w różnych miejscach między falownikiem a siecią, oprócz analizy częstotliwościowej tych zmiennych.

Słowa kluczowe

EN

inverter; grid connected; PWM; SVPWM

PL

przekształtnik; PWN; SWPW

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2023
• Tom: R. 99, nr 5
• Strony: 114--119
• Opis fizyczny: Bibliogr. 22 poz., rys.

Twórcy

autor

Jarjes Muhammed K.

• Northern Technical University, Iraq

• https://orcid.org/0000-0002-0406-3696

autor

Hussein Taha A.

• Northern Technical University, Iraq

• https://orcid.org/0000-0001-9516-6860

Bibliografia

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