T型三电平逆变器开路故障诊断方法研究  

Research on open-circuit fault diagnosis method of T-type three-level inverter

作　　者：汪丁泉 邱长青 王奎[2] Wang Dingquan;Qiu Changqing;Wang Kui(Wuhan Institute of Marine Electric Propulsion,Wuhan 430064,China;State Key Lab of Control and Simulation of Power Systems and Generation Equipments,Department of Electrical Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]武汉船用电力推进装置研究所,武汉430064 [2]清华大学电机工程及应用电子技术系电力系统及发电设备控制和仿真国家重点实验室,北京100084

出　　处：《船电技术》2024年第6期92-96,共5页Marine Electric & Electronic Engineering

基　　金：科工局基础科研项目(JCKY2021210B057)。

摘　　要：本文以三相T型三电平逆变器为研究载体,以开关器件开路故障作为研究对象,采用“数据采集-特征提取-特征识别-软硬件部署”的工作范式,提出基于数据驱动的开关器件故障诊断方法。通过搭建完整诊断仿真平台,在基波周期时间尺度给出诊断结果,取得了95%以上的故障诊断准确率。Based on the working paradigm of"data acquisition-feature extraction-feature recognition-software and hardware deployment",this paper proposes data-driven fault diagnosis methods for switching devices,taking three-phase T-type three-level inverter as research carrier and the open circuit fault of switching devices as research objective.Through building a complete diagnostic simulation platform,we can obtain results by the fault diagnosis methods in the fundamental wave period,and these methods achieve 95%accuracy in the test.

关 键 词：T型三电平逆变器 开关器件 开路故障 故障诊断 

分 类 号：TM464[电气工程—电器]