A state-of-the-art medium voltage SF/sub 6/ breaker for today´s distribution requirements

Author

Basu, Moy ; Oketani, S.K. ; Rose, Alex

Author_Institution

Pacific Gas & Electr. Co., San Francisco, CA, USA

fYear

1997

fDate

16-20 June 1997

Firstpage

141

Lastpage

147

Abstract

In recent years, much has been documented on vacuum interrupter improvements. This paper focuses on alternative technology in the form of arc quenching in SF/sub 6/ gas by means of a rotating arc and thermal expansion. These parallel developments in SF/sub 6/ circuit breakers make possible choices between vacuum and SF/sub 6/ breakers. User identified criteria in evaluating the emergent and competing technologies are offered in an effort to provide an understanding of the differences in medium voltage switchgear technologies.

Keywords

SF/sub 6/ insulation; circuit-breaking arcs; distribution networks; gas blast circuit breakers; power system protection; thermal expansion; SF/sub 6/ MV circuit breaker; alternative technology; arc quenching; competing technologies; emergent technologies; parallel developments; power distribution protection; rotating arc; state-of-the-art; switchgear technologies; thermal expansion; user identified criteria; Circuit breakers; Interrupters; Medium voltage; Structural rings; Sulfur hexafluoride; Surges; Switches; Thermal expansion; Vacuum technology; Welding;

fLanguage

English

Publisher

ieee

Conference_Titel

Pulp and Paper Industry Technical Conference, 1997., Annual

Conference_Location

Cincinnati, OH, USA

ISSN

0190-2172

Print_ISBN

0-7803-3919-3

Type

conf

DOI

10.1109/PAPCON.1997.595230

Filename

595230