High current arc erosion on copper electrodes in air

被引：0
|
作者：
Oyvang, Thomas
Fjeld, Elin
Rondeel, Wilhelm
Hagen, Svein Thore
机构：
来源：
2011 IEEE 57TH HOLM CONFERENCE ON ELECTRICAL CONTACTS | 2011年
关键词：
moving arc; copper; melting; vaporization;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An arc fault inside metal enclosed switchgear will cause the pressure to rise and vaporization of electrode material may contribute to the pressure rise. An experimental study of high current arc erosion on copper electrodes in air has been performed, with an evaluation of fraction lost by gross melting and vaporization. All experiments were performed at NEFI High Voltage Laboratory in Skien, Norway. The measured mass loss from vaporization in our experiments seems to be negligible compared to erosion by gross melting.
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页数：6
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