System and method for controlling power output from a wind turbine or wind power plant

A wind power plant comprising:

• a plurality of wind turbines, a remote sensing apparatus for sensing a wind parameter at a location remote from the wind power plant,
• a processor for processing the sensed wind parameter and outputting an override signal if the processing indicates that the wind parameter will exceed a predetermined value when the wind parameter arrives at the wind power plant, and
• a controller for controlling the power output of the plurality of wind turbines, the controller being configured to overrate at least some of the wind turbines, in response to sensed parameters, by operating the wind turbines at an output power greater than the rated power of the wind turbines, wherein the controller is further configured to receive the override signal from the processor and, on receipt of the override signal, to prevent or reduce overrating.

A control system for a wind turbine, comprising:

• a remote sensing apparatus for sensing a wind parameter at a location remote from the wind turbine,
• a processor for processing the sensed wind parameter and outputting an override signal if the processing indicates that the wind parameter will exceed a predetermined value when the wind parameter arrives at the wind turbine, and
• a controller for controlling the output power of the wind turbine, the controller being configured to overrate the wind turbine, in response to sensed parameters, by operating the wind turbine at an output power greater that the rated power of the wind turbine, wherein the controller is further configured to receive the override signal from the processor and, on receipt of the override signal, to prevent or reduce overrating of the wind turbine.

A control system for a wind power plant comprising a plurality of wind turbines, the control system comprising:

• a remote sensing apparatus for sensing a wind parameter at a location remote from the wind power plant,
• a processor for processing the sensed wind parameter and outputting an override signal if the processing indicates that the wind parameter will exceed a predetermined value when the wind parameter arrives at the wind power plant, and
• a controller for controlling the power output of the plurality of wind turbines, the controller being configured to overrate at least some of the wind turbines, in response to sensed parameters, by operating the wind turbines at an output power greater than the rated power of the wind turbines, wherein the controller is further configured to receive the override signal from the processor and, on receipt of the override signal, to prevent or reduce overrating.

A method of controlling a wind turbine comprising:

• sensing a wind parameter at a location remote from the wind turbine,
• processing the sensed wind parameter and outputting an override signal if the processing indicates that the wind parameter will exceed a predetermined value when the wind parameter arrives at the wind turbine, and
• controlling the output power of the wind turbine using a controller configured to overrate the wind turbine, in response to sensed parameters, by operating the wind turbine at an output power greater that the rated power of the wind turbine, the controller receiving the override signal from the processor and, on receipt of the override signal, preventing or reducing overrating of the wind turbine.

A method of controlling a wind power plant comprising a plurality of wind turbines, the method comprising:

• sensing, using a remote sensing apparatus, a wind parameter at a location remote from the wind power plant,
• processing the sensed wind parameter and outputting an override signal if the processing indicates that the wind parameter will exceed a predetermined value when the wind parameter arrives at the wind power plant, and
• controlling the power output of the plurality of wind turbines using a controller configured to override at least some of the wind turbines, in response to sensed parameters, by operating the wind turbines at an output power greater than the rated power of the wind turbines, wherein the controller receives the override signal from the processor and, on receipt of the override signal, prevents or reduces overrating.