Control of a wind power generator in case of voltage sags in power network

• Autorzy: Blecharz K. , Krzemiński Z.
• Konferencja: Modelling and elaboration of renewable energy sources and energy storage systems. September, 14, 2004, Wrocław, Poland
• Języki publikacji: EN

Abstrakty

EN

The problem of control of a wind power generator in cases when voltage sags occur in the electric power system is presented in the paper. Double fed machine (DFM) used as the generator in the wind power plant is considered. The stator of the DFM is connected to the grid and the cascade of power electronic inverters supplies the rotor. When the voltage drop or sag occurs in the power network, controllers of the cascade of power electronic inverters can work incorrectly. In this case, the wind power generators are disconnected in present solutions. Results of simulation of the system with models of the double fed machine, the grid transformer and the inverters are presented in the paper. To control the generated power the structure based on a multiscalar model of the DFM was used. Proposed solution of control makes it possible to keep the power plant in the power system during required time.

Słowa kluczowe

EN

double fed machine; voltage sag; wind power generator

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Prace Naukowe Instytutu Podstaw Elektrotechniki i Elektrotechnologii Politechniki Wrocławskiej. Konferencje
• Rocznik: 2005
• Tom: Vol. 42, nr 16
• Strony: 77--86
• Opis fizyczny: Bibliogr. 5 poz.., rys.

Twórcy

autor

Blecharz K.

• Gdansk University of Technology, Faculty of Electrical and Control Engineering Department of Power Electronic and Electrical Machines, ul. Sobieskiego 7, 80-216 Gdańsk, Phone: [phone]

autor

Krzemiński Z.

• Gdansk University of Technology, Faculty of Electrical and Control Engineering Department of Power Electronic and Electrical Machines, ul. Sobieskiego 7, 80-216 Gdańsk, Phone: [phone]

Bibliografia

• [1] E.ON Netz GmbH., Ergänzende Netzanschlussregeln für Windenergieanlagen, Dezember 2001.
• [2] Eltra Doc. No. 74174., Specification for Connecting Wind Farms to the Transmission Network.
• [3] KRZEMIŃSKI Z., Control system of Double Fed Machine Based on Multiscalar Model. IFAC 11th World Congress on Automatic Control, Tallin 1990.
• [4] KRZEMIŃSKI Z., Cyfrowe sterowanie maszynami asynchronicznymi, Wydawnictwo Politechniki Gdańskiej 2001.
• [5] DITTRICH A., STOEV A., Grid Voltage Fault Proof Double-Fed Induction Generator System, EPE2003 Toulouse.