245kV Gas-insulated Cylinder Introduction
245kV Gas-insulated Cylinder Introduction5/12/2017This article is an introduction to Gas insulated Substations. Gas Insulated Substation (GIS) also called SF6 Gas Insulated Metalclad Switchgear is preferred for 12kV, 36kV, 72.5kV, 145 kV, 245 kV, 420 kV, and above voltages. In a GIS substation, the various equipment like Circuit Breakers, Bus bars, Isolators, Load break switches, Current