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This paper presents direct power control (DPC) strategy for controlling power flow, direct virtual torque control (DVTC) strategy for synchronizing double-fed induction generator (DFIG) with grid and voltage oriented control (VOC) for controlling voltage of link capacitor. All strategies are implemented on artificial neural network (ANN) controller to decrease the time of calculation in comparison with the conventional DSP control system. The essence of three strategies is selection appropriate voltage vectors on the rotor side converter. The network is divided in two types: fixed weight and supervised models. The simulation results on a 4-kW machine are explained using MATLAB/SIMULINK together with the Neural Network Toolbox.
Date of Conference: 5-8 Dec. 2011