Title :
Relation between gas flow and arc extinguishing capability of SF 6 circuit breakers
Author_Institution :
Siemens AG, Berlin, Germany
fDate :
10/31/1995 12:00:00 AM
Abstract :
This work deals with the relation between gas flow and arc-extinguishing capability on two types of SF6 circuit-breakers: the conducting double-nozzle system and the self-compression system. The author discusses: the circuit breaker characteristics; pressure measurements; the differences in the gas flow intensity for interruptions and failures; interrupter geometry influence for different pressure chambers and also taking into account chamber volume; short circuit current influence; and minimum required blast intensity
Keywords :
SF6 insulation; circuit-breaking arcs; gas blast circuit breakers; pressure measurement; short-circuit currents; SF6; SF6 circuit breakers; arc extinguishing capability; circuit breaker characteristics; conducting double-nozzle system; gas flow; gas flow intensity; interrupter geometry; minimum required blast intensity; pressure chambers; pressure measurements; self-compression system; short circuit current;
Conference_Titel :
Physics of Power Interruption, IEE Colloquium on
Conference_Location :
London
DOI :
10.1049/ic:19951159
