Effects of elastic support on the dynamic behaviors of the wind turbine drive train

被引：15

作者：

Wang, Shuaishuai ^{[1
]}

Zhu, Caichao ^{[1
]}

Song, Chaosheng ^{[1
]}

Han, Huali ^{[2
]}

机构：

[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400030, Peoples R China

[2] CSIC Chongqing Haizhuang Windpower Equipment Co L, Chongqing 401122, Peoples R China

来源：

FRONTIERS OF MECHANICAL ENGINEERING | 2017年 / 12卷 / 03期

基金：

中国国家自然科学基金;

关键词：

wind turbine drive train; elastic support; dynamic behavior; frequency response function; TORSIONAL VIBRATIONS; VARYING COMPLEXITY; GEARBOX; SYSTEM;

D O I：

10.1007/s11465-017-0420-7

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The reliability and service life of wind turbines are influenced by the complex loading applied on the hub, especially amidst a poor external wind environment. A three-point elastic support, which includes the main bearing and two torque arms, was considered in this study. Based on the flexibilities of the planet carrier and the housing, a coupled dynamic model was developed for a wind turbine drive train. Then, the dynamic behaviors of the drive train for different elastic support parameters were computed and analyzed. Frequency response functions were used to examine how different elastic support parameters influence the dynamic behaviors of the drive train. Results showed that the elastic support parameters considerably influenced the dynamic behaviors of the wind turbine drive train. A large support stiffness of the torque arms decreased the dynamic response of the planet carrier and the main bearing, whereas a large support stiffness of the main bearing decreased the dynamic response of planet carrier while increasing that of the main bearing. The findings of this study provide the foundation for optimizing the elastic support stiffness of the wind turbine drive train.

引用

页码：348 / 356

页数：9

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