Fatigue Strength Analysis of Planet Carrier in MW Level Wind Turbine Gearbox

Shi Pengfei; Chu Jingchun; Yuan Ling; Sun Li; Fan Xiaoliang; Pan Lei; Li Yingchang

doi:10.16578/j.issn.1004.2539.2017.11.023

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Fatigue Strength Analysis of Planet Carrier in MW Level Wind Turbine Gearbox

更新时间：2022-10-20

- Fatigue Strength Analysis of Planet Carrier in MW Level Wind Turbine Gearbox
- Vol. 41, Issue 11, Pages: 115-119(2017)
- 作者机构：
  
  1. 华北电力大学机械工程系
  2. 国电联合动力技术有限公司
  3. 风电设备及控制国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.11.023
  CLC：
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[1]石鹏飞,褚景春,袁凌,孙黎,范孝良,潘磊,李英昌.兆瓦级风电齿轮箱行星架疲劳强度分析[J].机械传动,2017,41(11):115-119+183.

Shi Pengfei, Chu Jingchun, Yuan Ling, et al. Fatigue Strength Analysis of Planet Carrier in MW Level Wind Turbine Gearbox. [J]. 41(11):115-119(2017)
[1]石鹏飞,褚景春,袁凌,孙黎,范孝良,潘磊,李英昌.兆瓦级风电齿轮箱行星架疲劳强度分析[J].机械传动,2017,41(11):115-119+183. DOI： 10.16578/j.issn.1004.2539.2017.11.023.

Shi Pengfei, Chu Jingchun, Yuan Ling, et al. Fatigue Strength Analysis of Planet Carrier in MW Level Wind Turbine Gearbox. [J]. 41(11):115-119(2017) DOI： 10.16578/j.issn.1004.2539.2017.11.023.

摘要

基于兆瓦级风电齿轮箱低速级行星架有限元分析模型,对行星架进行了疲劳损伤的研究。利用ANSYS—workbench与ANSYS经典联合仿真分析了风电齿轮箱低速级行星架的单位载荷下的应力情况;根据GL2010设计规范,得出风电齿轮箱低速级行星架部件材料的S-N拟合曲线;运用雨流循环计数法得到了行星架的疲劳载荷谱。最后,使用n Code/design life软件提出了一种将雨流循环计数法与Palmgren-Miner线性累积损伤理论和强度安全系数理论相结合的行星架疲劳强度校核的方法,得到风电齿轮箱低速级行星架的疲劳损伤和最低安全系数。分析结果表明,提出的方法是可靠实用的,为兆瓦级风电齿轮箱低速级行星架的疲劳寿命分析提供了一个更为准确的分析思路,具有一定的工程实用意义。

Abstract

Based on the finite element analysis model of the low speed stage of the MW wind turbine gearbox,the fatigue damage of the low speed gearbox is studied. Based on the analysis of the ANSYS-workbench and the ANSYS classic,the stress condition of the low speed level planet carrier of the wind turbine is obtained.The S-N curve of planet carrier is got based on the design specification of GL2010. The fatigue load spectrum of the planet carrier is calculated by the rain flow cycle counting method. Finally,based on the combination of presents a rain flow counting method with Palmagren-Miner damage theory and safety factor to calculate the fatigue damage method by using the n Code/design life software,the fatigue damage and minimum safety factor of the low speed level planet carrier of the wind power gearbox is obtained. The analysis results show that the proposed method is reliable and practical,a more accurate analysis method for the fatigue analysis on planet carrier in MW level wind turbine gearbox is provided and it also has a certain practical significance.

关键词

风电齿轮箱行星架S-N曲线疲劳载荷谱疲劳分析

Keywords

Wind power gearboxPlanet carrierS-N curveFatigue load spectrumFatigue analysis

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