Estimation of cathode-initiated breakdown in vacuum

Author

Emelyanov, Alexander ; Emelyanova, Ekaterina ; Safonova, Tatyana ; Serikov, Igor

Author_Institution

Oryol State Tech. Univ., Russia

Volume

13

Issue

1

fYear

2006

Firstpage

26

Lastpage

33

Abstract

Cathode initiation of vacuum breakdown in DC and pulse modes is considered. New criteria and methods for evaluating the cathode initiation mechanism are proposed. They are based on consideration of relative changes in cathode surface state and electric strength. The elaborated criteria and methods have been verified with experiments results using DC and pulse modes of high-voltage treatment of electrodes. Accuracy of the proposed methods exceeds known methods precision. It is shown that optimum modes of pulsed conditioning can be used for definition of top boundary of cathode initiation mechanism applicability in DC mode.

Keywords

cathodes; electric strength; high-voltage techniques; insulation testing; quality control; surface treatment; vacuum breakdown; vacuum insulation; cathode-initiated breakdown; electric strength; electrodes; high-voltage treatment; insulation testing; pulse mode; quality control; surface treatment; vacuum breakdown; vacuum insulation; Cathodes; Current density; Electric breakdown; Electrodes; Geometry; Microscopy; State estimation; Surface treatment; Vacuum breakdown; Vacuum technology;

fLanguage

English

Journal_Title

Dielectrics and Electrical Insulation, IEEE Transactions on

Publisher

ieee

ISSN

1070-9878

Type

jour

DOI

10.1109/TDEI.2006.1593398

Filename

1593398