摘要
通过对一起主变差动保护动作跳闸事故的故障分析,表明全面收集设备信息并进行综合判断对确定变压器故障性质的重要性。提出了针对有载分接开关油室渗漏油情况下,通过跟踪绝缘油色谱变化趋势,排除分接开关渗漏油对变压器油色谱分析影响的方法。
Based on the analysis of the failure of the main transformer differential protection＇s tripping accident,this paper shows that it is very important to determine the transformer fault properties based on a comprehensive device information collection.Under the situation of there is oil leakage of the on-load tap-changer oil chamber,a method is proposed to exclude the influence of tap-changer＇s leaky on chromatographic analysis of transformer oil by tracking the chromatographic change trend of the insulating oil.
出处
《江苏电机工程》
2010年第6期17-18,21,共3页
Jiangsu Electrical Engineering
关键词
变压器
跳闸
综合诊断
transformer
tripping operation
comprehensive diagnosis
