大型电力变压器出口短路故障分析及措施  

Failure analysis of Large Power Transformer Output Terminal Short-Circuit and Its Countermeasures

作　　者：阚瀛[1] 王崇林[1] 

机构地区：[1]中国矿业大学,江苏省徐州市221000

出　　处：《电力建设》2008年第5期34-36,共3页Electric Power Construction

摘　　要：通过介绍一起大型电力变压器出口短路事故的发生和处理经过,分析了事故原因及暴露的问题。对1号主变及01号启动变进行了出口短路后的判定试验,包括变压器油中溶解气体组分含量的色谱试验、直流电阻试验、绕组变形试验、局部放电试验以及变压器内检等,判断1号主变及01号启动变设备质量可靠,可以正常投入运行。进而提出应吸取的教训和采取的反事故措施。By explaining the occurrence and treatment of a large power transformer output terminal short circuit accident, the causes of the accident and problems exposed are analyzed. Tests, including chromatogram test of dissolved gas components in transformer oil, DC resistance test, winding deformation test, local discharge test, and transformer internal inspection, etc., are performed on No. 1 main transformer and No. 01 startup transformer after output terminal short circuit occurs. It is concluded that the quality of both transformers are reliable and can be put into operation. Lessons learned from the accident and corresponding countermeasures are suggested.

关 键 词：大型电力变压器 短路故障 反事故措施 

分 类 号：TM407[电气工程—电器]