Title :
Role of cooling fins in circuit breakers
Author :
Maftoul, J. ; Barrault, M. ; Bernard, G. ; Kersusan, J.P. ; Rowe, S.
Author_Institution :
Centre de Recherche A2, Grenoble, France
fDate :
1/1/1997 12:00:00 AM
Abstract :
The effects of adding cooling fins to an auto-expansion SF6 circuit-breaker chamber are investigated. It is found that they reduce considerably the post-recovery current. An indirect effect of the reduction in dissipated energy on arc voltage further increases the usefulness of the fins
Keywords :
SF6 insulation; cooling; gas blast circuit breakers; SF6; arc voltage; auto-expansion SF6 circuit-breaker; cooling fins; dissipated energy; post-recovery current reduction;
Journal_Title :
Generation, Transmission and Distribution, IEE Proceedings-
DOI :
10.1049/ip-gtd:19970719