GIS中SF_6气体的管理

Management Of SF_6 Air In GIS

GIS设备在运行中发生的事故普遍少于常规式设备 ,有资料表明 :GIS设备的事故率只有常规式的1 6.6%～ 40 %。但当 GIS设备检修时 ,工作比较繁杂 ,时间长 :首先断电 ,然后抽出故障气室的 SF6气体 ,贮存在 SF6气瓶中 ,检修完毕后将各检修的真空室抽真空 ,充入 SF6气体 ,静止若干小时后测量 SF6气体中的含水量。因此 ,在GIS设备运行中最重要的一件事是管理好

Faults of GIS equipment during operation are normally less than that of the conventional equipment Information shows that the fault ratio of GIS equipment equals only to 16 6%~40% of that of the conventional equipment Yet the maintenance procedure of GIS equipment is more complicated and it often takes longer time:first, cut off the power supply, then extract the SF 6 air from the fault chamber and store it in SF 6 air bottle After the maintenance, extract all the air out of each repaired chamber, make them vacuum and then fill them with SF 6 air Let them be for serveral hours and then measure the water content in SF 6 air Therefore, the keypoint in the operation of GIS equipment is the management of SF 6 air