Device and method for controlling wind turbine

Details Device and method for controlling wind turbine Device and method for controlling wind turbine

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 7/00 (2006.01) F03D 11/00 (2006.01)

Patent

CA 2730449

In a conventional technique, a shutdown sequence indicating a sequential operation from a start of the feathering of a wind turbine to the stop is started in response to an alert signal caused by an external factor. In the present invention, when the alert is called off during the shutdown sequence, the shutdown sequence is stopped, and the recovery control by which the pitch angle of the wind turbine blade is controlled toward the fine state is performed. By such a control, the stop period of the wind turbine under the shutdown can be shortened, so that the decrease in the operating rate of the wind farm can be suppressed.

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