Dynamics analysis of the pitch control reducer for MW wind turbine

Journal of Vibroengineering

Congfang Hu¹  Ruitao Peng¹  Cheng’gong Shen¹  Rui Chen¹ 

[1] School of Mechanical Engineering, Xiangtan University, Xiangtan, 411105, China;

关键词: dynamic response;    vibration;    planetary gear;    wind turbine;    pitch control reducer;   

DOI  :  10.21595/jve.2017.19146

来源: DOAJ

【 摘 要 】

An analytic dynamics model was presented for the three-stage planetary transmission in the pitch control reducer for MW wind turbine based on the lumped-parameter method. The mechanical characteristic of the contact components was analyzed using the stiffness factor method. All the stiffness sub-matrices were combined to form the overall stiffness matrix of the three-stage transmission. According to the analytic model and the parameters of the pitch control gearbox, the movement differential equations were solved to investigate the natural frequencies and the vibration modes. Then, the undamped and damping forced vibration response were studied. A test rig was set up to measure the vibration displacement of the ring at the second stage and the output shaft under the nominal load condition, the comparison of the analytic forced vibration response with the experimental results validates the effectiveness of the lumped-parameter dynamics model for the pitch control reducer. This paper provides a reference for the dynamics optimization of multistage planetary transmission.

【 授权许可】

Unknown