Numerical simulation of two-dimensional gas flow in buffer-type SF6 circuit breaker during short current interruption

被引：0

作者：

Lin, X ^{[1
]}

Lian, JH ^{[1
]}

Xu, JY ^{[1
]}

机构：

[1] Shenyang Polytech Univ, Dept Elect Engn, Shenyang 110023, Peoples R China

来源：

POWERCON '98: 1998 INTERNATIONAL CONFERENCE ON POWER SYSTEM TECHNOLOGY - PROCEEDINGS, VOLS 1 AND 2 | 1998年

关键词：

SF6 gas circuit breaker; numerical simulation; two-dimensional gas flow;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The paper presents a model to analyze the convection-stabilized local thermodynamic equilibrium electric are occuring in the are-quenching chamber of puffer-type circuit breaker during short-current interrupting course, which is described with the axial-symmetric Euler's equations and coupled with one-dimensional electric field. Employing the modified fluid in cell (FLIC) method, the gas flow has been calculated during both loading and non-loading interruption in a 550KV two-break puffer-type circuit breaker. Pit the same time, the phenomenon of thermal block and back flow caused by are have been simulated for the sake of the analysis of effects of the are on gas flow. Furthermore, the paper has also calculated the effects of nozzle structure on gas flow, which makes it possible to optimize the design of the breaker.

引用

页码：625 / 629

页数：5