Modeling and Real-Time Simulation on Doubly Fed Induction Wind Generator

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The doubly fed induction generator (DFIG) can alter speed of the rotor according to change of the wind speed, then contains the maximum tip speed ratio, in order to capture the maximum power from the wind energy. This paper studys the maximum wind energy capturing of DFIG. The fuzzy controller here is used to control the doubly fed induction wind generator in order to improve the robust of the system. We established a fuzzy control rule according to the maximum power capturing. The fuzzy controller captures the maximum power with generator power output error and generator rotor speed error to generate reference speed, which contains the maximum tip speed ratio. The theory analysis and simulation results based on MATLAB / Simulink demonstrate that this control strategy is convenient and efficient.

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2123-2126

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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