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

Rui-ming Wang; Zhi-ying Gao; Wen-rui Wang; Yang Xue; De-yi Fu

doi:10.1007/s12613-018-1661-0

Volume 25 Issue 9

Sep. 2018

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2018 > 25(9): 1104-1112

Rui-ming Wang, Zhi-ying Gao, Wen-rui Wang, Yang Xue, and De-yi Fu, Dynamic characteristics of the planetary gear train excited by time-varying meshing stiffness in the wind turbine, Int. J. Miner. Metall. Mater., 25(2018), No. 9, pp. 1104-1112. https://doi.org/10.1007/s12613-018-1661-0

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Rui-ming Wang, Zhi-ying Gao, Wen-rui Wang, Yang Xue, and De-yi Fu, Dynamic characteristics of the planetary gear train excited by time-varying meshing stiffness in the wind turbine, Int. J. Miner. Metall. Mater., 25(2018), No. 9, pp. 1104-1112. https://doi.org/10.1007/s12613-018-1661-0

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Research Article

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

+ Author Affiliations

Corresponding author:
Zhi-ying Gao E-mail: gaozhiying@me.ustb.edu.cn
Received: 8 December 2017; Revised: 5 February 2018; Accepted: 9 February 2018

Abstract

Abstract

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.
- wind turbine;
- planetary gear;
- time-varying meshing stiffness;
- dynamic characteristics

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References

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