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    Optimum Power Output Control of a Wind Turbine Rotor 
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    Optimum Power Output Control of a Wind Turbine Rotor

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    Wijewardana Optimum Power Output Control of a Wind Turbine Rotor 2016 Published.pdf (16.62Kb)
    Volume
    2016
    DOI
    10.1155/2016/6935164
    Journal
    International Journal of Rotating Machinery
    ISSN
    1023-621X
    Metadata
    Show full item record
    Abstract
    © 2016 S. Wijewardana et al. An active and optimum controller is applied to regulate the power output from a wind turbine rotor. The controller is synthesized in two steps. The first step defines the equilibrium operation point and ensures that the desired equilibrium point is stable. The stability of the equilibrium point is guaranteed by a control law that is synthesized by applying the methodology of model predictive control (MPC). The method of controlling the turbine involves pitching the turbine blades. In the second step the blade pitch angle demand is defined. This involves minimizing the mean square error between the actual and desired power coefficient. The actual power coefficient of the wind turbine rotor is evaluated assuming that the blade is capable of stalling, using blade element momentum theory. This ensures that the power output of the rotor can be reduced to any desired value which is generally not possible unless a nonlinear stall model is introduced to evaluate the blade profile coefficients of lift and drag. The relatively simple and systematic nonlinear modelling and MPC controller synthesis approach adopted in this paper clearly highlights the main features on the controller that is capable of regulating the power output of the wind turbine rotor.
    Authors
    Wijewardana, S; Shaheed, MH; Vepa, R
    URI
    http://qmro.qmul.ac.uk/xmlui/handle/123456789/12309
    Collections
    • School of Engineering and Materials Science [1979]
    Licence information
    CC-BY
    Copyright statements
    © 2016 S. Wijewardana et al.T
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