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This paper deals with the application of enhanced phase locked loop (EPLL) technique for the voltage and frequency controller (VFC) in a stand-alone wind energy conversion system (WECS) using an isolated asynchronous generator (IAG) feeding three-phase four-wire loads. The fundamental component of three-phase load currents is extracted using EPLL. The EPLL is also used for estimation of the frequency...
This paper will propose the study of a the control of a coupled wind turbine to a stand alone electric generator based on other renewable energies and storage systems. In this study a new method has been investigated to design the maximum power point tracking (MPPT) in order to have a good efficiency with a simple approach. From the wind mill characteristics, in particular its power rate, we propose...
This paper presents a strategy used to appropriately excite and control the desired output active power of an asynchronous generator fed by a current controlled three-phase voltage source inverter. A DC voltage control loop, with a classical PI controller, is used to maintain at a reference value the DC bus voltage of the source inverter under a large rotor speed variation. The proposed asynchronous...
This paper presents a strategy used to appropriately excite and control the desired output active power of an asynchronous generator fed by a current controlled three-phase voltage source inverter. A DC voltage control loop, with a classical PI controller, is used to maintain at a reference value the DC bus voltage of the source inverter under a large rotor speed variation. The proposed asynchronous...
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