Wind turbine, a method for compensating for disparities in a wind turbine rotor blade pitch system and use of a method
AssigneeVestas Wind Systems A/S
InventorPoul Brandt Christensen
Life of this patent
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Abstract
A wind turbine includes a rotor having one or more rotor blades, a pitch system for controlling the pitch angle of the one or more rotor blades, the pitch system having at least one pitch actuator, a pitch controller for generating pitch actuator control signals and sensor elements for establishing values of pitch performance parameters, and a compensation controller to compensate for disparities between the pitch actuator control signals and the values of pitch performance parameters, according to a control algorithm. The compensation controller is arranged to adjust parameters of the control algorithm of the compensation controller in dependency of the disparities.
Claims14
A wind turbine comprising
- a rotor including one or more rotor blades,
- a pitch system for controlling a pitch angle of said one or more rotor blades, said pitch system comprising at least one pitch actuator, a pitch controller for generating pitch actuator control signals and sensor elements for establishing values of pitch performance parameters, and
- an adaptive compensation controller to compensate for disparities between a model defined by said pitch actuator control signals and said values of pitch performance parameters, according to a control algorithm,
- wherein
- the adaptive compensation controller is arranged to adjust parameters of the control algorithm of said adaptive compensation controller in dependency of said disparities.
Method for compensating for disparities in a wind turbine rotor blade pitch system, said pitch system comprising at least one pitch actuator, a pitch controller, sensor elements and an adaptive compensation controller, said method comprising the steps of:
- generating pitch actuator control signals by said pitch controller
- establishing values of pitch performance parameters of said pitch actuator by said sensor elements,
- adjusting parameters of a control algorithm of said adaptive compensation controller in dependency of disparities between a model defined by said generated pitch actuator control signals and said established values of pitch performance parameters.
Dependencies are inferred from the claim text.