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Wind turbine control strategy enabling mechanical stress reduction based on dynamic model including blade oscillation effects

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3 Author(s)
Pournaras, C. ; Dept. of Electr.&Comput. Eng., Nat. Tech. Univ. of Athens, Athens ; Riziotis, V. ; Kladas, A.

The paper presents a coupled electrical aerodynamic model for a three blade wind-turbine dynamic analysis. The model is based on a blade element representation of the aerodynamic load part combined with an aeroelastic beam element for the dynamic analysis of a real rotor blade, including top tower acceleration. The model involves reduced computation time enabling to be applied in control system hardware. Such an analysis is very promising for obtaining controllers involving compromises among contradictory targets such as energy capture maximization and mechanical stresses reduction in the aerodynamic part.

Published in:

Electrical Machines, 2008. ICEM 2008. 18th International Conference on

Date of Conference:

6-9 Sept. 2008