Patent ID: 11879432
Assignee: WOBBEN PROPERTIES GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 15:
16. A method comprising:
operating a wind turbine having an aerodynamic rotor with at least one rotor blade, wherein the operating comprises controlling a rotation speed of the rotor of the wind turbine, wherein the controlling comprises using a cascade control arrangement having an outer control loop and an inner control loop, wherein the controlling comprises:
acquiring, by the inner control loop, an input signal indicative of one or more characteristics chosen from a change in the rotation speed, an acceleration of the rotation speed, a function of a change in the rotation speed and a function of an acceleration of the rotation speed,
wherein the one or more input signals received by the inner control loop comprises a rotor acceleration power or a rotor acceleration torque.