Research on rotary-gas high voltage SF6 circuit breaker with novel blade nozzle Part III: Arc behavior research

A 252kV single-break SF6 circuit breaker is taken as the investigation model in this paper and 3D numerical calculation model of traditional no-blade nozzle and novel blade nozzle are presented based on 3D N-S equations. By simulating, influences of gas flow on arc during the arc extinguishing process of the two type nozzles have been researched using… CONTINUE READING