PSO Based Self-Tuning PID Pitch Control for Wind Power Generation System

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Most variable speed wind turbines have pitch angle control mechanisms and one of their objectives is to protect turbines when the wind speed is too high. Pitch angle control is the most common means for adjusting the aerodynamic torque of the wind turbine when wind speed is above rated speed. The paper deals with optimal tuning of a PID controller for pitch angle control in wind turbines using particle swarm optimization (PSO) algorithm. The particle swarm optimization is used for achieving the correction coefficient values of deviation which are sent to the controller so that the control effect of chlorination system is improved. Simulation results prove the effectiveness of proposed control strategy. System can eliminate the wind speed disturbance and provide good transient and robust performance.

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370-373

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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