Fault Diagnosis of Wind Turbine Gearbox Under Nonstationary Condition based on Order Analysis

Dengli Zhao; Xiaoxu Chen; Hao Xu; Fangyi Li; Liming Wang; Yanyan Nie

doi:10.16578/j.issn.1004.2539.2020.12.023

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Fault Diagnosis of Wind Turbine Gearbox Under Nonstationary Condition based on Order Analysis

Test·Analysis | 更新时间：2022-11-10

- Fault Diagnosis of Wind Turbine Gearbox Under Nonstationary Condition based on Order Analysis
- Journal of Mechanical Transmission Vol. 44, Issue 12, Pages: 141-145(2020)
- 作者机构：
  
  1.山东中车风电有限公司，山东济南 250022
  2.山东大学机械工程学院高效洁净机械制造教育部重点实验室，山东济南 250061
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2020.12.023
  CLC：
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赵登利,陈孝旭,徐浩等.基于阶次分析的非平稳工况下风力发电机组齿轮箱故障诊断[J].机械传动,2020,44(12):141-145.

Zhao Dengli,Chen Xiaoxu,Xu Hao,et al.Fault Diagnosis of Wind Turbine Gearbox Under Nonstationary Condition based on Order Analysis[J].Journal of Mechanical Transmission,2020,44(12):141-145.
赵登利,陈孝旭,徐浩等.基于阶次分析的非平稳工况下风力发电机组齿轮箱故障诊断[J].机械传动,2020,44(12):141-145. DOI： 10.16578/j.issn.1004.2539.2020.12.023.

Zhao Dengli,Chen Xiaoxu,Xu Hao,et al.Fault Diagnosis of Wind Turbine Gearbox Under Nonstationary Condition based on Order Analysis[J].Journal of Mechanical Transmission,2020,44(12):141-145. DOI： 10.16578/j.issn.1004.2539.2020.12.023.

摘要

齿轮箱是风力发电机组的关键传动部件，长期承受复杂的非平稳负载，容易出现裂纹、断齿、磨损等齿轮故障，造成安全事故及经济损失，对其进行故障诊断意义重大。针对传统的频谱分析方法无法满足非平稳工况下风电机组齿轮箱故障诊断的问题，利用阶次分析的方法对齿轮箱进行了故障诊断研究。分析了阶次分析方法的基本原理，推导并总结了齿轮箱特征阶次，最后，利用阶次分析方法对真实风场数据进行分析，准确识别了齿轮箱中的故障。

Abstract

Gearbox is the key transmission part of wind turbine. It bears complex non-stationary load for a long time，and is prone to crack，teeth broken，wear and other gear faults，resulting in safety accidents and economic losses. It is of great significance to diagnose the faults. In view of the problem that the traditional spectrum analysis method can't meet the fault diagnosis of the wind turbine gearbox under nonstationary condition，the order analysis method is used to study the fault diagnosis of the gearbox. The basic principle of the order analysis method is analyzed，and the characteristic order of the gearbox is deduced and summarized. Finally，the real wind field data is analyzed by the order analysis method，and the fault in gearbox is identified accurately.

关键词

风力发电机组齿轮箱阶次分析非平稳故障诊断

Keywords

Wind turbineGearboxOrder analysisNonstationaryFault diagnosis

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