严寒地区防止全封闭组合电器SF_6气体液化的方案探讨

Investigation on Preventing SF_6 Gas Liquefaction For Gas Insulated Metal-enclosed Switchgear in Alpine Regin

阐述了252kV GIS在户外严寒地区运行时,为防止SF6气体液化所采取的措施。设计了三种不同结构的加热器,并分别计算了加热器的功率,用试验验证了加热器的效果,解决了252kV GIS在高寒地区SF6气体液化的问题。

This paper describes the measures which should be taken to prevent SF6 gas liquefaction when the 252 kV GIS runs in the alpine regin.It designs 3heaters with different structures;respectively calculated their powers for different heaters;Used experiment to test the effect of heaters,and solved the problem of SF6 gas liquefaction when 252 kV GIS applied in the alpine regin.