Vertical-shaft wind turbine rotary spindle vibration restraining method which is high in wind energy capturing efficiency
A technology of rotating the main shaft and the vertical axis, which is used in the control of wind turbines, wind turbines, motors, etc., can solve the problems of reducing the wind energy capture efficiency of wind turbines, and the wind turbine cannot reach the maximum wind energy capture speed, and achieve reverse electric braking. The effect of smooth and easy control of torque, fast adjustment speed and high work efficiency
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[0053] refer to figure 1 , which is a flow chart of an embodiment of the electromechanical coordination suppression method for the vibration of the rotating main shaft of the vertical axis wind turbine according to the present invention. This embodiment includes the following steps:
[0054] S100, start.
[0055] S110. Acquire the vertical inclination of the rotating spindle in real time.
[0056] The vertical inclination angle includes the inclination declination value α in two orthogonal directions in the horizontal section of the main axis x and α y . The inclination angle value can be obtained by installing a two-axis inclination sensor on the stationary part at the top of the rotating spindle.
[0057] S120. Calculate the vibration intensity K of the rotating spindle v .
[0058] The tremor intensity is defined as, K v = α x 2 ...
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