Anode erosion of a high-current multigap vacuum triggered switch

被引：0
|
作者：
Alferov, DF [1 ]
Nevrovsky, VA [1 ]
Sidorov, VA [1 ]
机构：
[1] Russian Electrotech Inst, VEI, Moscow 111250, Russia
来源：
ISDEIV: XIXTH INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM, VOLS 1 AND 2, PROCEEDINGS | 2000年 / 19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：
The paper studies discharge plasma interaction with anode rods of a six-gap vacuum switch resulting in surface melting of copper anode rods and metal droplet formation from electrode material. Using high-speed photography, anode spots formation was recorded and spot dimensions were determined at various discharge currents from similar to 30 kA up to similar to 100 kA. There is presented a one-dimensional nonstationary model of surface anode melting and droplet formation in an anode spot of vacuum arc. Observations of erosion traces at anodes of operative multigap vacuum switches and high-speed photos of discharge in model switches show, that the model of melting and droplet formation by ponderomotive action of discharge current is correct.
引用
收藏
页码：515 / 518
页数：4
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