变压器油中溶解气体的分析及故障判断  

Analysis and Fault Diagnosis of Dissolved Gas in Transformer Oil

作　　者：连玮 LIAN Wei(Huadian Power International Co.,Ltd.Zouxian Power Plant,Jining 273500,China)

机构地区：[1]华电国际电力股份有限公司邹县发电厂,山东济宁273500

出　　处：《山东电力高等专科学校学报》2023年第2期54-57,共4页Journal of Shandong Electric Power College

摘　　要：基于火力发电厂变压器安全运行监测的油中溶解气体含量监测与分析项目,总结了特征气体法、三比值法、溶解气体注意值法、产气速率法及绝缘油理化分析法等变压器内部潜伏性故障的常用分析方法。探究分析了色谱分析诊断故障的应用案例,旨在保障变压器的安全运行。Based on the monitoring and analysis project of dissolved gas in oil for transformer safety operation monitoring in thermal power plants,the common analysis methods of transformer internal latent faults such as characteristic gas method,three-ratio method,dissolved gas attention value method,gas production rate method and insulating oil physical and chemical analysis method are summarized.The application cases of fault diagnosis by chromatographic analysis are analyzed to ensure the safe operation of transformers.

关 键 词：变压器 溶解气体 潜伏性故障 色谱分析 

分 类 号：TM4[电气工程—电器]