Fault Diagnosis of Wind Turbine Gearboxes

被引：0
|
作者：
Zhang, Yubai [1 ]
Yuan, Huiqun [2 ]
Yu, Yinxin [1 ]
Kou, Haijiang [1 ]
Liang, Mingxuan [1 ]
机构：
[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110004, Peoples R China
[2] NorthEast Univ, Sch Sci, Shenyang 110004, Peoples R China
来源：
RENEWABLE AND SUSTAINABLE ENERGY II, PTS 1-4 | 2012年 / 512-515卷
基金：
中国国家自然科学基金;
关键词：
wind turbine gearboxes; wavelet analysis; modal; finite element method;
D O I：
10.4028/www.scientific.net/AMR.512-515.715
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Abnormal vibration appeared when experimental tests was carried out on gearboxes of a 1.5MW wind turbine. In this paper, Time-domain and frequency- domain analysis of test data was implemented based on the method of wavelet denoising, the fault location was determined, and the vibration fault indicators and frequency components were obtained. The finite element model of the gearboxes were established, and the natural frequencies and mode shapes were achieved by calculating. The results showed that the fault occurred in the high speed shaft parts, fault vibration frequency was caused by high-speed shaft eccentric resonance frequency and the frequency generated by the natural frequency and the edge frequency that caused by turning. The research layed the foundation for the study of noise reduction and optimization of the wind turbine gearboxes.
引用
收藏
页码：715 / +
页数：2
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