拉西瓦水电站800kV GIL安装试验

GIL(Gas Insulated Metal EncIosed Transmission Line)气体绝缘金属封闭输电线路,它采用SF6气体作为绝缘介质的同轴管状母线,与常规电缆和架空输电线路相比具有输电容量大、电能损耗小、布置紧凑灵活、有效的电瓷屏蔽、运行安全可靠等优势,更具有技术和经济优越性,在国内外已有近德40年运行经验。文章介绍了拉西瓦水电站800 kV GIL现场安装及试验过程,供国内同行参考。

Installation Test of 800kV GIL in Laxiwa Hydropower Station

GIL（Gas Insulated Metal Enclosed Transmission Line） adopts gas SF6 as coaxial tubular bus of dielectric,with the large transmission capacity,small power loss,compact and flexible layout,effective electromagnetic shielding,safe and reliable operation advantages compares to normal cable and transmission line.Combining with 40 years operation at home and abroad,the paper introduces the field installation and testing process of 800kV GIL in Laxiwa hydropower station,and provides reference for domestic trade.