Research on Output Power Quality and Fault Characteristics of Train Traction Inverter

Dongjie JIANG

doi:10.13890/j.issn.1000-128x.2019.05.015

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Research on Output Power Quality and Fault Characteristics of Train Traction Inverter

Research & Development | 更新时间：2021-12-13

- Research on Output Power Quality and Fault Characteristics of Train Traction Inverter
- Electric Drive for Locomotives Issue 5, Pages: 68-71,76(2019)
- 作者机构：
  
  1.中车唐山机车车辆有限公司　研发中心，河北　唐山　063035
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2019.05.015
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Dongjie JIANG. Research on Output Power Quality and Fault Characteristics of Train Traction Inverter. [J]. Electric Drive for Locomotives (5):68-71,76(2019)
DOI：

Dongjie JIANG. Research on Output Power Quality and Fault Characteristics of Train Traction Inverter. [J]. Electric Drive for Locomotives (5):68-71,76(2019) DOI： 10.13890/j.issn.1000-128x.2019.05.015.

摘要

列车牵引逆变器输出电能品质与牵引系统关键部件的工作状态紧密耦合。分析了牵引电机转子断条故障、电机定子匝间短路故障及逆变器IGBT开路故障状态下定子电流的特定谐波分量特性。针对定子电流故障特征，使用快速傅里叶变换（FFT）对故障特征进行识别，提取特定谐波分量，提出了以特定谐波分量含量与基波含量比值大小定位故障部件的故障诊断方法。搭建了牵引系统状态监测仿真模型，验证了提出的故障特征与故障诊断方法的正确性和有效性。

Abstract

The output power quality of the train traction inverter is closely coupled with the working state of the traction system key components. The specific harmonic components generated in the stator current after motor rotor broken bar faults, motor stator inter-turnshort faults, and inverters IGBT open circuit faults was analyzed. Aiming at the stator current fault characteristics, the fault characteristics were identified by fast Fourier transform (FFT), specific harmonic components was extracted, and then a fault diagnosis method that using the ratio of the specific harmonic component content to the fundamental wave content was proposed to locate faulty components. By setting up condition monitoring simulation model of traction system, the correctness and validity of the proposed fault characteristics and the fault diagnosis method were verified.

关键词

逆变器电能品质故障特征快速傅里叶变换故障诊断仿真

Keywords

inverterpower qualityfault characteristicsfast Fourier transform (FFT)fault diagnosissimulation

references

安群涛, 孙力, 赵克, 等. 基于开关函数模型的逆变器开路故障诊断方法[J]. 中国电机工程学报, 2010, 30(6): 1-6.

刘沛津, 谷立臣. 异步电机负序分量融合方法及其在定子匝间短路故障诊断中的应用[J]. 中国电机工程学报, 2013, 33(15): 119-123.

王旭红, 何怡刚. 基于小波包分析和支持向量机的异步电机转子断条故障诊断[J]. 微特电机, 2010, 38(5): 34-36.

刘振兴. 电机故障在线监测诊断新原理和新技术研究[D]. 武汉: 华中科技大学, 2004.

阳同光. HXD1型电力机车异步牵引电机故障诊断方法研究[D]. 长沙: 中南大学, 2013.

丁宝华. 异步电动机内部故障分析及检测方法研究[D]. 济南: 山东大学, 2006.

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