风电机组主传动链子系统耦合效应对系统特性影响分析

费翔; 姜宏; 周建星; 章翔峰; 尚俊

doi:10.19912/j.0254-0096.tynxb.2023-1996

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (4) : 387-397. DOI: 10.19912/j.0254-0096.tynxb.2023-1996

风电机组主传动链子系统耦合效应对系统特性影响分析

费翔, 姜宏, 周建星, 章翔峰, 尚俊

作者信息 +

ANALYSIS OF COUPLING EFFECT OF MAINDRIVE CHAIN SYSTEM OF WIND TURBINE ON SYSTEM CHARACTERISTICS

Fei Xiang, Jiang Hong, Zhou Jianxing, Zhang Xiangfeng, Shang Jun

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摘要

针对传动链中各子系统在运行过程中的耦合响应问题,以某2 MW风力发电机主传动系统为研究对象,综合考虑齿轮时变啮合刚度以及误差激励影响,建立考虑轴柔性的行星-定轴耦合系统动力学模型。基于特征值问题求解固有频率,阐述耦合效应对子系统固有特性的影响并对系统振型特征进行描述;利用Newmark时域积分法分别求解耦合前后系统动力学方程,探究各子系统连接前后系统动态特性变化规律。结果表明：行星传动系统和定轴传动系统独有振动模式在风电主传动系统模态振型中依旧保留,多数振动模式表现为多个子系统单一振动模式或平行级传动系统几种振动模式之间的相互耦合;耦合效应引起各子系统波动增大,行星级啮合频率及其倍频成分在平行级低频段大量出现;行星级部件承载状态发生改变,运行稳定性降低,齿圈出现局部持续冲击。

Abstract

Aiming at the coupling response of each subsystem in wind turbine transmission chain during operation, taking the main transmission system of a 2 MW wind turbine as the research object, considering the time-varying meshing stiffness of gears and the effect of error excitation, a dynamic model of planet-fixed axis coupling system considering the flexibility of axes was established. By Solving the natural frequency based on the eigenvalue problem was solved to describe the influence of coupling effect on the inherent characteristics of the sub-system and the mode characteristics of the system. The Newmark time-domain integral method was used to solve the system dynamics equations before and after coupling, and the changing law of system dynamic characteristics before and after connecting the subsystems were investigated. The results show that the unique vibration modes of the planetary transmission system and the fixed shaft transmission system are still retained in the modal shapes of the wind power main transmission system, and most vibration modes show the coupling between the single vibration modes of multiple subsystems or several vibration modes of the parallel transmission system. The coupling effect causes the fluctuation of each subsystem to increase, and the engage frequency of epicyclic transmission and its frequency doubling component appear in large numbers in the low frequency band of parallel transmission.

导出引用

费翔, 姜宏, 周建星, 章翔峰, 尚俊. 风电机组主传动链子系统耦合效应对系统特性影响分析[J]. 太阳能学报. 2025, 46(4): 387-397 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1996

Fei Xiang, Jiang Hong, Zhou Jianxing, Zhang Xiangfeng, Shang Jun. ANALYSIS OF COUPLING EFFECT OF MAINDRIVE CHAIN SYSTEM OF WIND TURBINE ON SYSTEM CHARACTERISTICS[J]. Acta Energiae Solaris Sinica. 2025, 46(4): 387-397 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1996

中图分类号： TH132

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