变压器故障分析及诊断研究变压器故障分析及诊断研究摘要变压器是电力系统中极重要的一部分，其运转是否安全、稳定、可靠都将直接影响着电力系统的运转状态。在变压器长期运行的过程中，发生故障在所难免，因此对于变压器潜伏性的故障要及时预测，从而确保电力系统的安全运行。本文介绍了变压器常见故障及其成因的分析，以及目前常用的一些诊断方法，其中重点阐述了DGA和HPLC两种方法，它们是如今应用较广且较为常见的检测诊断手段。除此之外，运用了MATLAB对区内区外故障进行了仿真实验，并对其做出了相应的分析。关键词：变压器故障分析故障诊断变压器故障分析及诊断研究Transformer Fault Analysis and DiagnosisAbstractThe transformer is a very important part in the power system,and its operation issafe,stable and reliable,which will directly affect the operation of the power system.Inthe process of transformer running over a long period of time,failure is inevitable,sowe need to do transformer latent fault forecast in time,so as to guarantee the safeoperation of transformer.This paper introduces the general fault of transformer and the analysis of thecauses,as well as some commonly used diagnostic methods at present,the twofocused on DGA and HPLC methods,they are widely used now and more commondiagnostic testing tools.In addition,using MATLAB to areas outside the faultsimulation experiment was carried out,and make the corresponding analysis.Key Words:transformerfailure analysis fault diagnosis变压器故障分析及诊断研究目录Abstract-目录图清单表清单1绪论11.1研究背景及意义1.2国内外研究现状及发展动态11.3本文主要内容32变压器常见故障及原因分析2.1短路故障42.2放电故障2.3绝缘故障3变压器故障的诊断方法研究83.1变压器故障油中气体色谱检测技术-83.2电力变压器绝缘老化检测技术103.3电力变压器局部放电故障检测技术113.4电力变压器有载分接开关检测技术124变压器仿真134.1仿真变压器空载合闸时励磁涌流134.2仿真变压器外部故障17236致谢24参考文献-25