Fatigue Performance Optimization of the Wind Turbine Gearbox Transmission System Considering Environmental Parameters

Tan Jianjun; Wu Yuan; Bai Yang; Zhu Caichao; Song Chaosheng; Dong Yehong

doi:10.16578/j.issn.1004.2539.2023.08.008

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Fatigue Performance Optimization of the Wind Turbine Gearbox Transmission System Considering Environmental Parameters

Design· Calculation | 更新时间：2023-08-22

- Fatigue Performance Optimization of the Wind Turbine Gearbox Transmission System Considering Environmental Parameters
- Journal of Mechanical Transmission Vol. 47, Issue 8, Pages: 53-63(2023)
- 作者机构：
  
  1.中国船舶重工集团海装风电股份有限公司，重庆 401122
  2.重庆大学机械传动国家重点实验室，重庆 400044
  3.重庆大学电气工程学院，重庆 400044
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.08.008
  CLC：
- Published：15 August 2023，
  
  Received：09 June 2022，
  
  Revised：04 July 2022，
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谭建军,伍源,白杨等.考虑环境参数的风电齿轮箱传动系统疲劳性能优化[J].机械传动,2023,47(08):53-63.

Tan Jianjun,Wu Yuan,Bai Yang,et al.Fatigue Performance Optimization of the Wind Turbine Gearbox Transmission System Considering Environmental Parameters[J].Journal of Mechanical Transmission,2023,47(08):53-63.
谭建军,伍源,白杨等.考虑环境参数的风电齿轮箱传动系统疲劳性能优化[J].机械传动,2023,47(08):53-63. DOI： 10.16578/j.issn.1004.2539.2023.08.008.

Tan Jianjun,Wu Yuan,Bai Yang,et al.Fatigue Performance Optimization of the Wind Turbine Gearbox Transmission System Considering Environmental Parameters[J].Journal of Mechanical Transmission,2023,47(08):53-63. DOI： 10.16578/j.issn.1004.2539.2023.08.008.

摘要

随机风速会使风电齿轮箱传动系统出现频繁的载荷波动，造成复杂的结构变形，容易产生齿轮偏载，加剧其接触疲劳失效风险。提出了一种考虑环境参数随机不确定性的风电齿轮箱传动系统疲劳性能优化方法，在建立计入全局载荷的风电齿轮箱传动系统动力学模型基础上，利用代理模型方法重构“平均风速、湍流强度-齿轮修形参数-齿轮长期接触疲劳损伤”映射关系，建立考虑风速概率分布的多级齿轮修形参数优化函数，对比了风电齿轮箱传动系统疲劳性能优化效果。结果表明，低速级太阳轮长期接触疲劳损伤值大于0.7，是风电齿轮箱传动系统高可靠设计的薄弱环节之一；优化后的风电齿轮箱齿轮长期接触疲劳损伤值明显降低，其中低速级太阳轮长期接触疲劳损伤值降低了11.37%，疲劳性能提升效果显著。

Abstract

Random wind speed causes frequent load fluctuations in the wind turbine gearbox transmission system

resulting in complex structural deformations and gear deflections

which aggravate the risk of gear contact failure. A novel method to improve the fatigue performance of wind turbine gearbox transmission systems considering the stochastic uncertainty of environmental parameters is proposed. The mapping relationship among wind turbulence intensity-gear modification parameter-gear long-term contact fatigue damage is reconstructed by the surrogate model method based on the dynamic model of the wind turbine transmission system considering global loads. And then

a multi-stage gear modification parameter optimization function considering the probability distribution of wind speed is established and the optimizing fatigue performance is compared. The results show that the long-term gear contact fatigue damage value of the low-speed stage sun gear is more than 0.7

which is one of the weak parts of the high-reliability design of the wind turbine gearbox transmission system. The long-term gear contact fatigue damage values of optimizing gears have been reduced significantly

in which the low-speed stage sun gear has been reduced by 11.37%

so the fatigue performance has been improved significantly.

关键词

风电齿轮箱传动系统环境参数疲劳损伤性能优化

Keywords

Wind turbine gearboxTransmission systemEnvironmental parametersFatigue damagePerformance optimization

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