摘要
对聚四氟乙烯在液氮中的沿面闪络电压进行了测量。采用环-环电极测量了不同间距下的首次沿面闪络电压,用韦伯概率分布的方法对实验结果进行了分析,得出0.1%闪络概率的冲击沿面闪络电压与爬电距离的关系,可为超导电力装置的绝缘设计提供参考。
The impulse surface flashover voltages of polytetrafluoroethylene（PTFE） in liquid nitrogen were measured. The initial flashover voltages were measured using ring-ring electrodes under different electrode distances, and the experimental results were analyzed by Weibull distribution. The relationship between the impulse surface flashover voltage of 0.1% flashover probability and creepage distance was obtained, which can provide reference to the insulation design of suoerconducting electric power equipment.
出处
《绝缘材料》
CAS
北大核心
2013年第1期53-55,59,共4页
Insulating Materials
基金
国家高技术研究发展计划(863)项目资助(2009AA03Z209)
关键词
聚四氟乙烯
液氮环境
冲击沿面闪络电压
韦伯分布
polytetrafluoroethylene
liquid nitrogen environment
impulse surface flashover voltage
Weibull distribution
