CP2D:

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   Coefficient of power as a function of pitch and lambda.
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   Form:
   cP = CP2D( beta, lambda )
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   Inputs
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   beta          (1,n)       Pitch angle
   lambda        (1,m)       Tip speed ratio

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   Outputs
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   cP            (n,m)       Coefficient of power

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   Reference: Gill Estevez, P. ,"Model Dinamico de Una Turbina 
              de velocidad variable con Generador de Imanes Permanentes y 
              control de angulo de calaje ? Analisis de Control de 
              Velocidad. Figure 4.
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Children:

Common: Graphics/Plot2D