变压器铁心接地故障原因分析及处理  

Analysis on the Cause of the Transformer Core Grounding and Treatment

作　　者：王永奇[1] 王怀祥[1] 

机构地区：[1]国网甘肃省电力公司电力科学研究院,甘肃兰州730050

出　　处：《青海电力》2015年第2期61-63,共3页Qinghai Electric Power

摘　　要：以一起330 k V主变压器铁心多点接地故障为例,通过红外技术、油色谱分析和铁心电流在线监测等诊断方法,分析了变压器铁心多点接地故障原因,提出处理方案和处理方法,并结合变压器实际运行情况,给出了变压器运行维护和故障处理建议。Taking a fault that a 330 kV power transformer core was grounded at points as example, using diagnostic methods such as infra-red technology, oil chromatograph analysis and core current monitoring, this paper analyzes the cause for faults that power transformer is grounded at points and gives treatment method and the scheme. With consideration on the actual operation condition of the transformer, some advices on transformer maintenance are also given.

关 键 词：变压器 铁心接地 故障分析 故障处理 

分 类 号：TM40[电气工程—电器]