油浸式变压器绝缘诊断方法的研究进展  

Research progress of insulation diagnosis method for oil-immersed transformer

作　　者：林朝明[1] 叶荣 Lin Chaoming;Ye Rong(Department of Electrical Engineering,Fujian College of Water Conservancy and Electric Power,Yongan,Fujian 366000;Fuzhou Power Supply Company of State Grid Fujian Electric Power Co.,Ltd,Fuzhou 350009)

机构地区：[1]福建水利电力职业技术学院电力工程系,福建永安366000 [2]国网福建省电力有限公司福州供电公司,福州350009

出　　处：《电气技术》2019年第12期1-6,22,共7页Electrical Engineering

摘　　要：油浸式变压器是电力系统中极其重要且昂贵的电气设备,变压器的油纸绝缘系统老化是其发生故障的主要原因,因此,准确诊断变压器的绝缘状态对电力系统安全可靠运行具有重要意义。本文阐述了油浸式变压器绝缘诊断方法的研究现状,将其归纳为传统特征量诊断法与介质响应特征量诊断法;对比分析了两类方法中的各种不同诊断技术,说明了不同方法的优点与不足,并提出了相应的研究改进方向;最后总结了油浸式变压器绝缘诊断方法的未来研究方向和发展趋势。The oil immersed transformer is the most important and expensive electrical equipment in the power system. The aging of the oil-paper insulation system of the transformer is the main reason for its failure. Accurately diagnosing the insulation state of transformer is very important for the safe and reliable operation of power system. This paper expounds the existing research status of insulation diagnosis methods for oil-immersed transformers, and summarizes them as follows: traditional characteristic diagnosis method and dielectric response characteristic diagnosis method. Comparative analysis of different diagnosis techniques in the two methods, explains the advantages and disadvantages of different methods, and puts forward the corresponding research improvement direction. Finally, the future research direction and development trend of the insulation state diagnosis method for oil immersed transformer are summarized.

关 键 词：油浸式变压器 油纸绝缘系统 绝缘诊断 传统特征量 介电响应法 

分 类 号：TM855[电气工程—高电压与绝缘技术]