Experiment on the Vibration Response of Horizontal Axis Wind Turbine Tower under Dynamic Vehicle Loading

X.F. Liu, Q.Y. Li, W.M. Wu, W.J. Liu, S.C. Zhang, Y.Q. Pan


Under unstable wind loads, the wind turbine tower, as a supporting component of the horizontal axis experiences inevitable vibration. To explore the vibration characteristics of the tower, a vehicle test platform is established to measure the vibration acceleration component signals at different heights of a 300W small horizontal axis wind turbine tower. The results show that specific vehicle vibration test equipment can accurately test the vibration characteristics and laws of small wind turbine towers. The main vibration form of the tower is low frequency, with noticeable axial vibration at the top and lateral vibration in the middle of the tower due to aerodynamic load from natural wind. These findings can be used as a valuable reference for the safety and reliability design of the whole machine and the low-frequency vibration status monitoring of wind turbines.


Horizontal axis wind turbine; Impeller tower; Structural vibration; Vehicle test; Vibration frequency

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