Among the various identifiable renewable energies sources, one holds the attention in this study for its important potential in the world; it's about wind energy. Our objective in this present work is to contribute a share to the research solution to the problems of coupling between this energy source and the load; it's about the transfer of the maximum power to the latter which often suffers from a bad matching. In order to maximize the wind power extraction, this work describes design of a PWM rectifier controller for wind turbines. Generic PWM rectifier is used and PIC16F876 Microcontroller is proposed. The goal of the controller is to keep operating point as close to the maximum efficiency as possible.
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