Title :
Calculation of small current breaking performance of gas circuit breaker considering the real gas properties of SF6
Author :
Bae, Chae Yoon ; Jung, Hyun Kyo ; Choi, Kyung
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., South Korea
fDate :
5/1/2005 12:00:00 AM
Abstract :
The successful numerical analysis of breaking performance of gas circuit breaker (GCB) depends not only on the electric field analysis, but also on the properties of the insulating medium. SF6 cannot be assumed to act as an ideal gas due to its imperfect thermodynamic properties. The cold flow simulation considering the real gas properties of SF6 is presented in this paper and the dielectric breakdown of gas circuit breaker based on the simulation is also presented with the experimental data.
Keywords :
electric breakdown; electric fields; gas blast circuit breakers; numerical analysis; sulphur compounds; SF6; cold flow simulation; dielectric breakdown; electric field analysis; gas circuit breaker; gas properties; imperfect thermodynamic properties; numerical analysis; small current breaking performance; Circuit analysis computing; Circuit breakers; Circuit simulation; Computer science; Finite difference methods; Performance analysis; Physics computing; Shock waves; Thermodynamics; Viscosity; Breaking performance; SF; gas circuit breaker (GCB);
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2005.846232
