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In this work, wind turbine pitch angle control using a Fuzzy controller is presented. This controller is implemented in Fuzzy Logic Toolbox™ available in MATLAB®. The controller was built based on knowledge on operation principles of wind turbines equipped with variable pitch angle control. Not requiring mathematical models for this. It is presented as an alternative for Proportional-Integral (PI) controllers currently used. Furthermore, the control aims to reduce the fluctuations in turbine power generation. The control was integrated with the Dynamic Simulation Program developed by INESC, which uses PI controllers. Simulations are performed varying the incident wind speed on a wind farm equipped with squirrel cage asynchronous generators. These simulations prove the efficiency of the pitch control using Fuzzy Logic.
Date of Conference: 3-5 Sept. 2012