Robust control of the three-phase voltage-source PWM rectifier using EKF load current observer

• Autorzy: Ende W. , Shenghua H.

Warianty tytułu

PL

Obserwator prądu obciążenia oparty na filtrze EKF w sterowaniu trójfazowym prostownikiem napięcia PWM

• Języki publikacji: EN

Abstrakty

EN

A load current observer using EKF is proposed to compensate the changed load current for a robust dc voltage control without the inconvenient of the current sensor installation in the three-phase voltage-source PWM rectifier. Besides, a simplified model and the EKF observer based on it are also proposed. A small-signal model of the rectifier is also analyzed to prove the rationality of the feed-forward compensation. Simulation and experimental results demonstrate the proposed feed forward compensations with EKF observers based on both the normal and simplified models can improve the dynamic performance of the dc-link voltage satisfyingly.

PL

W artykule przedstawiono zastosowanie obserwatora prądu obciążenia z filtrem EKF, dla trójfazowego prostownika napięcia, celem ulepszenia kompensacji uchybu napięcia DC, bez instalowania czujników prądu. W celu weryfikacji działania układu ze sprzężeniem do przodu i obserwatorem EKF, wykonano badania symulacyjne i eksperymentalne proponowanego rozwiązania, które potwierdziły skuteczność i dynamikę działania.

Słowa kluczowe

EN

three-phase voltage-source PWM rectifier; EKF; feed-forward compensation; simplified model

PL

prostownik trójfazowy napięcia PWM; EKF; kompensacja sprzężeniem do przodu; model uproszczony

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 3a
• Strony: 188--193
• Opis fizyczny: Bibliogr. 16 poz., il., schem., tab., wykr.

Twórcy

autor

Ende W.

• Room 6108, Electrical Machine Building, Institute of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan City, Hubei Province, 430074, China

autor

Shenghua H.

• Institute of Electrical and Electronic Engineering, Huazhong University of Science and Technology

Bibliografia

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