Additional proportional incremental PID control method for propeller pitch controller of wind generating set
A technology for wind turbines and wind turbines, applied in wind turbine control, wind turbine combination, wind turbine monitoring, etc., can solve problems such as large yaw error angle, turbine overspeed shutdown, yaw imbalance, etc. Small fatigue load, ensure safety, and prevent the effect of rotating speed overspeed
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[0071] see Figure 1 to Figure 13 , an embodiment of an additional proportional item incremental PID control method for the pitch controller of a wind turbine, the basic parameters of the wind turbine used in this embodiment are shown in the following table:
[0072]
[0073]
[0074] The control steps are as follows:
[0075] S1 setting parameters: according to the specifications of the wind turbine and the environment of the wind farm where the wind turbine is located, set the threshold ω for enabling the additional proportional gain Threshold , close the hysteresis value ω of the additional proportional gain hystersis , base proportional system K p , the basic integral coefficient K i , the basic differential coefficient K d , a section of acceleration a of generator angular velocity 1 , second stage acceleration a 2 , three-stage acceleration a 3 , a proportional term gain gain 1 , the gain of the two-stage proportional term 2 , the gain of the three-stage p...
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