Control device and method for controlling wind turbine
A wind turbine and control device technology, applied in the control of wind turbines, wind turbines, engines, etc., can solve the problems of tearing and abrasion of pitch actuators and pitch bearings, and achieve the effect of stable load and stability
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[0023] The illustrations in the figures are schematic. It is to be noted that in different figures, similar or identical elements are provided with the same reference signs.
[0024] figure 1 An example of a wind turbine 1 is shown. The wind turbine 1 comprises a nacelle 3 and a tower 2 . The nacelle 3 is mounted at the top of the tower 2 . The nacelle 3 is mounted rotatably relative to the tower 2 by means of yaw bearings (not shown). The yaw bearing can belong to an active yaw system. The axis of rotation of the nacelle 3 relative to the tower 2 is called the yaw axis.
[0025] The wind turbine 1 also includes three rotor blades 6 ( figure 1 A rotor (hub) 4 with two rotor blades 6) is depicted in . These blades 6 are connected to the rotor 4 via joint sections (not shown). Each blade 6 of the wind turbine 1 comprises a pitch actuator (not shown) to vary the pitch angle of the blade 6 . The pitch angle generally refers to the rotation of the blade 6 about the longitu...
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