一起变压器套管底部软连接螺栓松动导致的过热缺陷分析
Rural Electrification（2022）
Abstract
介绍了一起35 kV变压器因为低压侧套管底部软连接螺栓松动导致的过热缺陷.通过对故障变压器油色谱三比值法分析初步判定为高温过热型缺陷,再通过"四比值法"辅助分析进一步判断为绕组过热缺陷,然后有针对性地对变压器高、低压侧绕组开展停电高压试验,最终发现低压侧直流电阻测试横比超标,解体检查发现,是因为低压套管底部软连接螺栓松动导致的缺陷,并提出了防范措施.
MoreTranslated text
Key words
oil chromatogram,current resistance,three ratio method,four ratio method
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined