Method of operating a variable speed wind turbine, the wind turbine having a rotor with a plurality of blades and a generator and a wind turbine controller for controlling a torque of the generator and a pitch angle of the blades, the wind turbine having an operational rotor speed range extending from a minimum rotor speed (ω min) to a maximum rotor speed (ω nom), the operational rotor speed range including one or more exclusion bands of rotor speeds related to excitation of structural modes, the method comprising operating the wind turbine according to a predefined power curve (10, 5, 50) in the absence of a power set-point limitation, wherein the predefined power curve extends from a minimum rotor speed (ω min) to a maximum rotor speed (ω nom) including the exclusion bands, the predefined power curve defining combinations of the pitch angles of the blades and the generator torque as a function of a wind speed, and in an event of a power set point limitation, determining whether the power set-point is below or equal to a theoretical capability of the wind turbine in accordance with prevailing wind conditions; if the power set-point is below the theoretical capability, operating the wind turbine to generate power according to the power set-point, including operating the wind turbine according to a set-point rotor speed and a set-point generator torque predefined for the power set-point, the set-point rotor speed being outside the exclusion bands, and wherein if the power set-point limitation is above the theoretical capability, operating the wind turbine according to the predefined power curve until a first wind speed (V 1, V 3), and transitioning to the power set-point for wind speeds above the first wind speed. the wind turbine having an operational rotor speed range extending from a minimum rotor speed (ω min) to a maximum rotor speed (ω nom), the operational rotor speed range including one or more exclusion bands of rotor speeds related to excitation of structural modes, the method comprising operating the wind turbine according to a predefined power curve (10, 5, 50) in the absence of a power set-point limitation, wherein the predefined power curve extends from a minimum rotor speed (ω min) to a maximum rotor speed (ω nom) including the exclusion bands, the predefined power curve defining combinations of the pitch angles of the blades and the generator torque as a function of a wind speed, and in an event of a power set point limitation, determining whether the power set-point is below or equal to a theoretical capability of the wind turbine in accordance with prevailing wind conditions; if the power set-point is below the theoretical capability, operating the wind turbine to generate power according to the power set-point, including operating the wind turbine according to a set-point rotor speed and a set-point generator torque predefined for the power set-point, the set-point rotor speed being outside the exclusion bands, and wherein if the power set-point limitation is above the theoretical capability, operating the wind turbine according to the predefined power curve until a first wind speed (V 1, V 3), and transitioning to the power set-point for wind speeds above the first wind speed. operating the wind turbine according to a predefined power curve (10, 5, 50) in the absence of a power set-point limitation, wherein the predefined power curve extends from a minimum rotor speed (ω min) to a maximum rotor speed (ω nom) including the exclusion bands, the predefined power curve defining combinations of the pitch angles of the blades and the generator torque as a function of a wind speed, and in an event of a power set point limitation, determining whether the power set-point is below or equal to a theoretical capability of the wind turbine in accordance with prevailing wind conditions; if the power set-point is below the theoretical capability, operating the wind turbine to generate power according to the power set-point, including operating the wind turbine according to a set-point rotor speed and a set-point generator torque predefined for the power set-point, the set-point rotor speed being outside the exclusion bands, and wherein if the power set-point limitation is above the theoretical capability, operating the wind turbine according to the predefined power curve until a first wind speed (V 1, V 3), and transitioning to the power set-point for wind speeds above the first wind speed.