Numerical Simulation of Gas Flow During Arcing Process for 252 kV Puffer Circuit Breakers  

作　　者：吴军辉 王小华 马志瀛 荣命哲 闫静 

机构地区：[1]State Key Lab.of Electrical Insulation and Power Equipment,Xi'an Jiaotong University [2]Henan Pinggao Electric Co.,Ltd.

出　　处：《Plasma Science and Technology》2011年第6期730-734,共5页等离子体科学和技术（英文版）

摘　　要：A numerical simulation model for 252 kV puffer circuit breaker is constructed, by using a proven commercial computational fluid dynamics （CFD） package, PHOENICS. The model takes into account the moving parts in the circuit breaker, turbulence enhanced momentum and energy transport, radiation transport. The arcing process in a SF6 puffer circuit breaker with two hollow contacts is simulated under different conditions, and the simulation results are verified with experimental results. Through simulation, the pressure, temperature and velocity in the arc quenching chamber can be obtained. The simulation model is also capable of predicting the influence of design parameters variations on breaker performance, and can thus help to reduce the number of short-circuit tests during the design stage.A numerical simulation model for 252 kV puffer circuit breaker is constructed, by using a proven commercial computational fluid dynamics （CFD） package, PHOENICS. The model takes into account the moving parts in the circuit breaker, turbulence enhanced momentum and energy transport, radiation transport. The arcing process in a SF6 puffer circuit breaker with two hollow contacts is simulated under different conditions, and the simulation results are verified with experimental results. Through simulation, the pressure, temperature and velocity in the arc quenching chamber can be obtained. The simulation model is also capable of predicting the influence of design parameters variations on breaker performance, and can thus help to reduce the number of short-circuit tests during the design stage.

关 键 词：puffer circuit breaker CFD arcing process TURBULENCE numerical simulation 

分 类 号：TM561[电气工程—电器] P641.2[天文地球—地质矿产勘探]