变压器油中电弧放电故障检测及防爆综述  

Review of Arc Discharge Fault Detection and Explosion-proof Technology in Transformer Oil

作　　者：刘凯[1] 樊立科 聂广博 焦世伯 邓军[2] 吴广宁[1] LIU Kai;FAN Like;NIE Guangbo;JIAO Shibo;DENG Jun;WU Guangning(School of Electrical Engineering,Southwest Jiaotong University,Chengdu 611756,China;Ultra-high Voltage Transmission Company,China Southern Power Grid Co.,Ltd.,Guangzhou 510663,China)

机构地区：[1]西南交通大学电气工程学院,成都611756 [2]中国南方电网有限责任公司超高压输电公司,广州510663

出　　处：《高电压技术》2024年第10期4315-4328,共14页High Voltage Engineering

基　　金：国家自然科学基金(52377161,52007158);四川省自然科学基金(2023NSFSC0831);国家重点研发计划(2022YFB4301202-17)。

摘　　要：变压器作为电力系统中的重要核心设备之一,其油箱内部易产生电弧故障,从而产生超压,致使油箱破裂,导致漏油,严重时引起爆炸甚至火灾,对电力系统的稳定运行造成严重威胁。该文针对变压器内部电弧故障从压力波特性、仿真模型、油中电弧检测方法以及防爆技术等方面进行回顾,首先对压力波特性、仿真模型以及压力波传播规律进行了综述,其中重点介绍了4种压力波仿真模型并对比其优缺点;其次,根据电弧故障检测难度大、破坏性强等特点归纳了油中电弧检测技术及标准;此外,分析探讨了变压器电弧故障的关键防爆技术。最后根据电弧故障以及防爆技术分析现有挑战,并在此基础上对未来发展趋势进行展望。As one of the important core devices in the power system,the transformer is prone to arc failure in its fuel tank,which may generate overpressures,resulting in a fuel tank rupture,resulting in oil leakage,explosion,or even fire in serious cases,thus poses a serious threat to the stable operation of the power system.In this paper,the internal arc fault of the transformer is reviewed from the aspects of pressure wave property,simulation model,oil arc detection method explosion-proof technology,etc.Firstly,the pressure wave property,simulation model,and pressure wave propagation law are reviewed including four pressure wave simulation models,and their advantages and disadvantages are compared.Secondly,in accordance with the characteristics of difficulty and destructive operation in the arc fault detection,the technology and the standard of arc detection in oil are summarized.In addition,key explosion-proof technology for transformer arc faults is analyzed and discussed.Finally,current challenges are analyzed according to arc fault and explosion-proof technology future development trend is forecast on this basis.

关 键 词：变压器 电弧故障 压力波 电弧检测 防爆技术 

分 类 号：TM407[电气工程—电器]