Dynamic characteristics of the planetary gear train excited by time-varying meshing stiffness in the wind turbine

被引：0
作者：
Rui-ming Wang
Zhi-ying Gao
Wen-rui Wang
Yang Xue
De-yi Fu
机构：
[1] China Electric Power Research Institute,State Key Laboratory of Operation and Control of Renewable Energy & Storage Systems
[2] University of Science and Technology Beijing,School of Mechanical Engineering
来源：
International Journal of Minerals, Metallurgy, and Materials | 2018年 / 25卷
关键词：
wind turbine; planetary gear; time-varying meshing stiffness; dynamic characteristics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Wind power has attracted increasing attention as a renewable and clean energy. Gear fault frequently occurs under extreme environment and complex loads. The time-varying meshing stiffness is one of the main excitations. This study proposes a 5 degree-of-freedom torsional vibration model for the planetary gear system. The influence of some parameters (e.g., contact ratio and phase difference) is discussed under different conditions of a single teeth pair and double pairs of teeth. The impact load caused by the teeth face fault, ramped load induced by the complex wind conditions, and the harmonic excitation are investigated. The analysis of the time-varying meshing stiffness and the dynamic meshing force shows that the dynamic design under different loads can be made to avoid resonance, can provide the basis for the gear fault location of a wind turbine, and distinguish the fault characteristics from the vibration signals.
引用
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页码：1104 / 1112
页数：8
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