Effect of magnetic field on sustainment of low-current DC vacuum arcs

被引：0
|
作者：
Tsuruta, K [1 ]
Nakajima, M [1 ]
Kitaura, M [1 ]
Yanagidaira, T [1 ]
机构：
[1] Ibaraki Univ, Dept Elect & Elect Engn, Hitachi, Ibaraki 3168511, Japan
来源：
ISDEIV: XXITH INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM, VOLS 1 AND 2, PROCEEDINGS | 2004年 / 21卷
关键词：
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：
Effect of magnetic fields on the instability of low current DC vacuum arcs, less than 10A, were examined experimentally. An axial magnetic field less than 100mT composed of a pair of disc magnets, an axial magnetic field by a solenoid coil in a range of 70 to 300mT, and an axial magnetic filed with a radial component by a disc magnet less than 40mT were used. It appeared that the arcs become unstable. and the arc voltages rise by applying axial fields. As a result the lifetimes of the arcs rather decreased with increasing magnetic fields.
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页码：261 / 264
页数：4
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