Control Strategy for Wind Turbine Operation under Wind Variations
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Matlab/Simulink, Renewable energy resources, Wind disturbances, Wind turbine, Wind turbine controlResumo
Wind energy is found to be viable energy source out of all nonconventional energy resources. Wind turbine, a major component of wind energy conversion system is used to capture the kinetic energy associated with the wind for driving the generator. Output of wind turbines varies in accordance with the wind variations. Therefore, in order to control the power output wind turbine employed needs some control during such variations. As observed from literature, most of the researchers have used blade pitch control during such operations, whereas, few adopted the yaw control. Such controls if adopted make the system expansive and complicated. Keeping it in view, in this paper a new approach based upon the load adjustments is proposed to control the wind turbine output during wind variations. Approach as proposed seems to be simple in comparison to existing techniques. Simulation results as obtained using developed matlab model prove the effectiveness of such control. Model as proposed is found to be effective to eliminate the power and torque fluctuations during wind variations. Keywords: Matlab/Simulink, Renewable energy resources, Wind disturbances, Wind turbine, Wind turbine controlDownloads
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