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FUZZY LOGIC BASED INTELLIGENT CONTROL OF A VARIABLE SPEED CAGE MACHINE WIND GENERATION SYSTEM
Simoes, M. G., B. K. Bose, AND R. J. SPIEGEL. FUZZY LOGIC BASED INTELLIGENT CONTROL OF A VARIABLE SPEED CAGE MACHINE WIND GENERATION SYSTEM. IEEE TRANSACTIONS ON POWER ELECTRONICS 12(1):87-95, (1997).
Published Journal Article
The paper describes a variable-speed wind generation system where fuzzy logic principles are used to optimize efficiency and enhance performance control. A squirrel cage induction generator feeds the power to a double-sided pulse width modulated converter system which either pumps power to a utility grid or supplies an autonomous system. The generation system has fuzzy logic control with vector control in the inner loops. A fuzzy logic controller tracks the generator speed with the wind velocity to extract the maximum power. A second fuzzy controller programs the machine flux for light load efficiency improvement, and a third fuzzy controller gives robust speed control against wind gust and turbine oscillatory torque. The complete control system has been developed, analyzed, and validated by simulation study. Performances have been evaluated in detail.
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