Control method and device capable of restraining overspeed of wind generating set
A technology for wind turbines and generators, which is used in the control of wind turbines, wind turbines, and wind power generation, etc., can solve the problems of slow response of the pitch system, increased limit load, and high cost, so as to improve operational reliability and achieve The method is simple and the effect of reducing the running speed
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Embodiment 1
[0033] Such as figure 1 , 2 As shown, the present embodiment can suppress the overspeed control method of the wind power generating set, and the steps include:
[0034] 1) Real-time detection of the output parameters of the generator set during operation, and pitch control of the generator set according to the difference between the real-time detection value of the output parameter and the target control value;
[0035] 2) When performing pitch control, judge the running state of the generator set in real time. If it is judged to be in an overspeed state, start the overspeed suppression control, adjust the current control parameters of the pitch control, and perform pitch control with the adjusted control parameters to adjust The response speed of the pitch control is such that the running speed of the generator set is quickly reduced; otherwise, the current pitch control is maintained.
[0036] In this embodiment, the pitch control is performed on the generator set based on...
Embodiment 2
[0049] Such as image 3 As shown, the present embodiment specifically adopts PID control for pitch control, adjusts the pitch angle through PID control to control the pitch of the generator set, and realizes the detailed steps of the control method capable of suppressing the overspeed of the wind turbine generator set include:
[0050] 1) Real-time detection of the output parameters of the generator set during operation, and PID control is used to control the pitch according to the difference between the real-time detection value of the output parameters and the target control value;
[0051] 2) When performing pitch control, judge the operating state of the generating set in real time. If it is judged to be in an overspeed state, adjust the control parameters of the PID control, and perform pitch control based on the adjusted control parameters to adjust the response speed of the pitch control so that Quickly reduce the generator set operating speed.
[0052] In this embodim...
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