220kV GIS电缆头终端爆炸事故原因分析及处理  

Analysis and Treatment of 220 kV GIS Cable Head Terminal Explosion Accident

作　　者：王团结[1] 季东旭 张少鹏[1] WANG Tuanjie;JI Dongxu;ZHANG Shaopeng(Xi′an Thermal Research Institute Co.,Ltd.,Xi′an 710032,China)

机构地区：[1]西安热工研究院有限公司,陕西西安710032

出　　处：《电工技术》2021年第13期126-128,共3页Electric Engineering

摘　　要：介绍了一起220 kV GIS电缆头终端爆炸事故,通过对事故过程的分析及对事故电缆头终端的检查,得出电缆头终端存在质量和安装工艺缺陷,且在外部低温条件运行下加速了环氧套管绝缘性能恶化导致事故的结论,最后提出了处理方案及相关建议。A 220 kV GIS cable head terminal explosion accident is introduced.Through analysis of the accident process and inspection of the accidental cable head terminal,it is concluded that the cable head terminal has quality and installation process defects,and the deterioration of the epoxy casing insulation performance under the external low temperature conditions has accelerated the conclusion of the accident.Finally,a treatment plan and related suggestions are proposed.

关 键 词：电缆头终端 爆炸 应力锥 环氧套管 

分 类 号：TM247[一般工业技术—材料科学与工程]