Fault Dynamic Response and Characteristic Analysis of Wind Turbine Planetary Gear Crack Fault

HU Aijun; PENG Yue; XING Lei; ZHOU Zhuohao; XU Renting

doi:10.19805/j.cnki.jcspe.2025.240288

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Fault Dynamic Response and Characteristic Analysis of Wind Turbine Planetary Gear Crack Fault

更新时间：2026-10-10

- Fault Dynamic Response and Characteristic Analysis of Wind Turbine Planetary Gear Crack Fault
- Chinese Journal of Power Engineering Vol. 45, Issue 7, Pages: 1063-1071(2025)
- 作者机构：
  
  1. 华北电力大学机械工程系,河北,保定,071003
  2. 河北省电力机械装备健康维护与失效预防重点实验室,河北,保定,071003
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240288
  CLC：
- Online First：14 July 2025，
  
  Published：2025
- 稿件说明：
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胡爱军,彭悦,邢磊,周卓浩,徐仁挺. 风电机组行星轮裂纹故障动力学响应及特征分析动力工程学报, 2025, 45(7): 1063-1071 https://doi.

org/10.19805/j.cnki.jcspe.2025.240288
胡爱军,彭悦,邢磊,周卓浩,徐仁挺. 风电机组行星轮裂纹故障动力学响应及特征分析动力工程学报, 2025, 45(7): 1063-1071 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240288.

org/10.19805/j.cnki.jcspe.2025.240288 DOI：

摘要

综合考虑齿面摩擦、时变啮合刚度等因素

建立了行星齿轮系统弯-扭耦合非线性动力学模型

研究了内、外啮合2种条件下行星轮齿根裂纹故障对系统动态特性的影响

并搭建行星齿轮箱实验台对系统模型进行了验证。结果表明:在内、外啮合2种条件下

系统响应频谱图中故障特征频率及其倍频、啮合频率周围边频成分的幅值存在显著差异;与外啮合相比

内啮合下系统时域响应冲击更为明显

相轨迹图出现扩散现象;考虑传递路径时变效应的情况下

系统动态响应频谱图中出现了由行星架旋转引起的调制频率

与实验台获得的振动信号频率结构一致

验证了所建立模型的有效性。

Abstract

Comprehensively considering factors such as tooth surface friction and time-varying meshing stiffness

a nonlinear dynamic model of bending-torsion coupling for planetary gear systems was established. The influence of the root crack fault of the planetary gear on system dynamic characteristics under two conditions of internal and external meshing was studied

and a planetary gearbox experimental rig was established to verify the system model. The results show that under the two conditions of internal and external meshing

there are significant differences in the amplitudes of the fault characteristic frequency

its harmonic frequency

and side frequency components around the meshing frequencies in the system response spectrum diagram. Compared with external meshing

the system time-domain response shock is more obvious under internal meshing

and the phase trajectory diagram shows a diffusion phenomenon. Considering the time-varying effect of transmission path

the modulation frequency due to the planetary carrier rotation occurs in the system response spectrum

which is consistent with the frequency structure of the experimental rig vibration signal. That verifies the validity of the established model.

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references

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