HVAC system design for indoor gas insulated switchgear of substation

At present, gas insulated switchgear (GIS) is increasingly widely used in substation, and its process layout is also showing new features. According to the national and electric power industry standards, and combining with the new features of indoor GIS for the new generation intelligent substation, discusses the HVAC system design for the indoor GIS, and presents the problems needing attention in the design.