Fault Diagnosis of Wind Turbine Gearbox based on Signal Model and Order Analysis

Jiabin Tian; Yanyan Nie; Xiaoxu Chen; Hao Xu; Fangyi Li; Liming Wang

doi:10.16578/j.issn.1004.2539.2022.02.015

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Fault Diagnosis of Wind Turbine Gearbox based on Signal Model and Order Analysis

Test·Analysis | 更新时间：2022-09-25

- Fault Diagnosis of Wind Turbine Gearbox based on Signal Model and Order Analysis
- Journal of Mechanical Transmission Vol. 46, Issue 2, Pages: 91-95(2022)
- 作者机构：
  
  1.中车山东风电有限公司，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.1004.2539.2022.02.015
  CLC：
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田家彬,聂延艳,陈孝旭等.基于信号模型与阶次分析的风力发电机组齿轮箱故障诊断[J].机械传动,2022,46(02):91-95.

Tian Jiabin,Nie Yanyan,Chen Xiaoxu,et al.Fault Diagnosis of Wind Turbine Gearbox based on Signal Model and Order Analysis[J].Journal of Mechanical Transmission,2022,46(02):91-95.
田家彬,聂延艳,陈孝旭等.基于信号模型与阶次分析的风力发电机组齿轮箱故障诊断[J].机械传动,2022,46(02):91-95. DOI： 10.16578/j.issn.1004.2539.2022.02.015.

Tian Jiabin,Nie Yanyan,Chen Xiaoxu,et al.Fault Diagnosis of Wind Turbine Gearbox based on Signal Model and Order Analysis[J].Journal of Mechanical Transmission,2022,46(02):91-95. DOI： 10.16578/j.issn.1004.2539.2022.02.015.

摘要

针对传统的频谱分析方法在非平稳工况下导致的“频谱模糊”现象，利用信号模型和阶次分析的方法对风电机组齿轮箱进行了故障诊断研究。建立了非平稳工况下齿轮箱高速级的振动信号模型，推导了其时频谱及阶次谱结构，利用阶次分析的方法分析了振动信号的阶次谱，提取了齿轮故障特征。最后，利用真实风场齿轮箱振动数据进行分析，对齿轮箱故障进行了准确识别。

Abstract

Aiming at the phenomenon of spectrum ambiguity caused by traditional spectrum analysis method under non-stationary load， a signal model and order analysis method is used to study the fault diagnosis of the wind turbine gearbox. The vibration signal model of high speed stage of gearbox under non-stationary load is established， and the structure of time spectrum and order spectrum is derived. The order analysis method is used to analyze the order spectrum of vibration signal and extract gear fault feature. Finally， the real wind field gearbox data is analyzed， and the fault in gearbox is identified accurately.

关键词

风力发电机组齿轮箱非平稳信号模型阶次分析故障诊断

Keywords

Wind turbineGearboxNonstationarySignal modelOrder analysisFault diagnosis

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