beyond which the output starts
to decrease. It is evident then that for each wind speed, there is
an optimum rotational speed which provides the maximum
production of the available power in the wind stream. The
curve joining these points is the maximum power locus and is
the objective of the paper to operate the system along it. This is
achievable once the system maintains an optimum TSR, λ ,OPT
and consequently results an optimum power coefficient,
C p,OPT (λ) thus the maximum power point can be expressed from
(5) as