300kV GAS INSULATED SWITCHGEAR

300kV Gas Insulated Switchgear is shown in the figure. Hydraulic system is used for the operation of the Circuit Breaker (CB). Double bus bar arrangements with Isolators, CB etc. are included in the construction. It is a Transformer bay and hence the Gas Insulated Busbar (GIB) is shown. It is rated for 63kA for 3sec. 300kV transmission system is being used in some Middle East countries.