Processes involved in vacuum arc triggering by E×B discharge

Author

Nikolaev, A.G. ; Oks, E.M. ; Yushkov, G. Yu ; MacGill, R.A. ; Dickinson, M.R. ; Brown, I.G.

Author_Institution

Inst. of High-Current Electron., Acad. of Sci., Tomsk, Russia

Volume

1

fYear

1998

fDate

17-21 Aug 1998

Firstpage

101

Abstract

A vacuum arc triggering system based on the formation of cathode spots in E×B discharge plasmas have been used in the Mevva-V and Titan-2 ion sources. When a strong magnetic field is employed, significant improvements in triggering lifetime together with a decrease in the required background gas pressure can be obtained. The authors describe here the results of some further investigations of the triggering discharge and main vacuum arc plasma in a strong magnetic field and outline some of the physical processes responsible for the cathode spot ignition in this kind of configuration

Keywords

cathodes; ion sources; magnetic fields; plasma; vacuum arcs; vacuum breakdown; E×B discharge plasmas; Mevva-V ion source; Titan-2 ion source; background gas pressure; cathode spot ignition; cathode spots formation; physical processes; strong magnetic field; triggering discharge; triggering lifetime; vacuum arc plasma; vacuum arc triggering; Anodes; Cathodes; Fault location; Ion sources; Magnetic field measurement; Magnetic fields; Pulse measurements; Vacuum arcs; Vacuum systems; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Discharges and Electrical Insulation in Vacuum, 1998. Proceedings ISDEIV. XVIIIth International Symposium on

Conference_Location

Eindhoven

ISSN

1093-2941

Print_ISBN

0-7803-3953-3

Type

conf

DOI

10.1109/DEIV.1998.740583

Filename

740583