A power optimization control method for variable speed and variable pitch wind turbines
A control method and power optimization technology, applied in the control of wind turbines, variable speed control, monitoring of wind turbines, etc., can solve problems affecting the service life of related components of wind turbines, overspeeding of wind rotors, etc., to improve wind power quality and reduce Effect of torque fluctuation and life extension
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[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.
[0042] Such as figure 1 A variable-speed variable-pitch wind turbine power optimization control method is shown, and the specific steps are as follows:
[0043] Step 1: When the wind turbine is put into use, initialize the control system and start to detect the wind speed in front of the machine;
[0044] Step 2: When the wind speed when the wind turbine is running does not reach the cut-in wind speed, the generator torque is 0, and the wind turbine does not output power;
[0045] Step 3: When the wind speed of the wind turbine changes between the cut-in wind speed and the rated wind speed, the torque controller is put into operation; the pitch angle θ remains unchanged, and the torque controller s...
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