Abstract
AbstractA comparison between a classical Proportional Integral controller (PI) and a new intelligent Proportional controller (i-P), used for rotor current control a Doubly Fed Induction Generator (DFIG) based wind energy is presented. The DFIG is one of the most powerful generators with having many advantages compared to traditional generators. The power electronic interface is able to control the rotor currents for achieving a variable speed that is necessary for enhancing energy storage under variable winds. The objective is to find the technique that is able to provide the highest electricity production. Combining the effectiveness of a maximum power point tracking (MMPT), which is able to maximize the collected power from the turbine, an intelligent controller is introduced. The intelligent proportional controller is classified as one of model free control. The design of the controller is straightforward. In fact, only two signals are required: the input and the output. It is considered as an amelioration of the set of classical PID controllers (PI, PD and PID) by introducing a cancelling term in the classical version of control equation. The simulation results,with MATLAB and Simulink,shows its superiority to classical PI controller in power production and the same tracking performances with straightforward calibration process. KeywordsWind turbineDFIGMPPTModel free control
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