Insulation characteristics of vacuum interrupter for a new 72/84 kV C-GIS

Author

Shioiri, T. ; Honma, M. ; Miyagawa, M. ; Kaneko, E. ; Ohshima, I.

Author_Institution

Toshiba Corp., Tokyo, Japan

Volume

6

Issue

4

fYear

1999

fDate

8/1/1999 12:00:00 AM

Firstpage

486

Lastpage

490

Abstract

This paper describes insulation technology for 72/84 kV vacuum interrupter for a new cubicle-type gas insulated switchgear (CGIS). The insulation performance has been increased significantly by a multi-gap shield configuration around the ceramic surface, which resulted in a 40% volume reduction of the vacuum interrupter. The CGIS housing the vacuum interrupter also reduced by 40% in volume. In the paper, the authors describe the basic characteristics on surface insulation and the area effect on surface insulation and their application to an new 72/84 kV CGIS

Keywords

electric breakdown; gas insulated switchgear; insulation testing; switchgear testing; vacuum insulation; vacuum interrupters; 72 kV; 84 kV; cubicle-type gas insulated switchgear; insulation characteristics; insulation performance; multi-gap shield configuration; surface insulation characteristics; vacuum interrupter; Circuit breakers; Electrodes; Gas insulation; Interrupters; Surface treatment; Switchgear; Vacuum arcs; Vacuum breakdown; Vacuum systems; Voltage;

fLanguage

English

Journal_Title

Dielectrics and Electrical Insulation, IEEE Transactions on

Publisher

ieee

ISSN

1070-9878

Type

jour

DOI

10.1109/94.788748

Filename

788748