Changing a mode of operation of a wind turbine
AssigneeVestas Wind Systems A/S
InventorPer Brath
Life of this patent
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Abstract
A method of operating a wind turbine has the following steps: receiving (13) multiple sensor signals being indicative of the state of the wind turbine (19); analyzing (14) the multiple sensor signals in order to determine whether a specific alarm condition is met as predefined in one of a plurality of different predefined alarm scenarios (30); further analyzing (15) at least one of the multiple sensor signals in accordance with analyzing steps as predefined in the alarm scenario (30) for which the specific alarm condition is met in order to determine (16) whether the wind turbine (19) is to be put into either a predefined safe mode, a shutdown mode or a continued operation mode.
Claims23
A method of operating a wind turbine, comprising:
- receiving multiple sensor signals being indicative of a state of the wind turbine;
- analyzing at least a first one of the multiple sensor signals in order to determine whether a specific alarm condition is met, wherein the alarm condition is defined in one of a plurality of different predefined alarm scenarios;
- and
- upon determining that the alarm condition is met, fault checking the first sensor signal using at least a second one of the multiple sensor signals and a fault checking technique defined in the alarm scenario corresponding to the alarm condition to determine whether the wind turbine is to be put into one of:
- a predefined safe mode, a shutdown mode, and a continued operation mode.
A wind turbine, comprising:
- a tower,
- a nacelle,
- a rotor with at least one blade, and
- a control arranged to control the operation of a wind turbine, wherein the control includes a memory for storing a plurality of predefined alarm scenarios;
- and
- wherein the control is coupled to multiple sensors which are arranged to output sensor signals being indicative of the state of at least said wind turbine;
- wherein the control is further arranged to analyze at least a first one of the multiple sensor signals in order to determine whether a specific alarm condition defined in one of the plurality of different predefined alarm scenarios is met;
- and upon determining that the alarm condition is met, to fault check the first sensor signal using at least a second one of the multiple sensor signals and a fault checking technique defined in the alarm scenario corresponding to the specific alarm condition to determine whether the wind turbine is to be put into one of:
- a predefined safe mode, a shutdown mode or a continued operation mode.
Dependencies are inferred from the claim text.