On the motion of high current switching arcs in vacuum and low pressure gas

被引：0
|
作者：
Teichmann, J [1 ]
Römheld, M [1 ]
Hartmann, W [1 ]
机构：
[1] Siemens AG Corp Technol, Erlangen, Germany
来源：
ISDEIV: XVIIITH INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM - PROCEEDINGS, VOLS 1 AND 2 | 1998年 / 18卷
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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：
Magnetically driven arcs in vacuum and low pressure gases are investigated at currents of several tens of kA. Arcs driven in a low pressure environment exhibit peak are velocity of more than 100 km/s, exceeding those of comparable vacuum arcs by at least two orders of magnitude. The influences of current amplitude, gas pressure and the kind of gas fill on the are velocity are investigated. A threshold behaviour concerning the minimum requirements for a nonstationary are is found. An improved model is presented, which explains the observed peak are velocities in vacuum and in gases.
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收藏
页码：530 / 533
页数：4
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