Abstract

This paper deals with the modelling and control of a doubly-fed Induction generator (DFIG) based grid connected wind energy conversion system .Back to back Pulse width modulated insulated gate bipolar transistors(IGBT) based voltage source converters(VSC) have been used for the control. The complete mathematical analysis of stator flux oriented control and stator voltage oriented control of DFIG based wind system has been done. Maximum power tracking has been done through rotor speed control. The proposed electromechanical system is modelled and simulated in MATLAB using Simulink and Sim power system toolboxes. The performance of the system for both the control strategies is presented to demonstrate the difference between the two.

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