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2013 (Vol. 5, Issue: 24)
Article Information:

Reduction of Wind Turbine Torque Fluctuation Using Individual Pitch Control Based on Edgewise Moment

Zhenlan Dou, Simin Peng, Zhibin Ling and Xu Cai
Corresponding Author:  Zhenlan Dou 

Key words:  Aerodynamic force, edgewise moment, dynamic aerodynamic model, individual pitch control, single neuron PID, wind turbine torque fluctuation,
Vol. 5 , (24): 5665-5676
Submitted Accepted Published
August 03, 2012 September 02, 2012 May 30, 2013
Abstract:

In order to eliminate the nonuniform force on the wind rotor caused by wind shear, tower shadow and turbulence and smooth the torque fluctuation of the wind turbine and the unbalanced loads on the wind turbine, a new individual pitch control strategy based on edgewise moment using single neuron PID controller is proposed. That is, the presented control strategy directly controls the blade edgewise moment generated by aerodynamic force. At the same time, to simulate the wind turbine loads, a dynamic model of three-bladed upwind horizontal axis wind turbine is built. Thus, the influence rules of the wind turbine torque fluctuation are deduced at length. Finally, to verify the effectiveness of the proposed individual pitch control system with the single neuron PID controller, the 2MW wind turbine generator system is modeled and simulated. The performance of the controller is illustrated its capability of not only reducing the wind turbine fluctuation, but also smoothing the fluctuation of the flapwise moment, the yaw moment and the tilt moment.
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  Cite this Reference:
Zhenlan Dou, Simin Peng, Zhibin Ling and Xu Cai, 2013. Reduction of Wind Turbine Torque Fluctuation Using Individual Pitch Control Based on Edgewise Moment.  Research Journal of Applied Sciences, Engineering and Technology, 5(24): 5665-5676.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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