220 kV outdoor GIS (Gas Insulated Switchgear) and transformer double-layer layout structure in thermal power plant

The utility model discloses a 220 kV outdoor GIS (Gas Insulated Switchgear) and a transformer double-layer layout structure in a thermal power plant, which is characterized in that lead-out wires of a transformer are directly connected with the GIS through SF6 pipeline buses, and distributed in upper and lower layers. As the lead-out wires of the transformer are directly connected with the GIS through the SF6 pipeline buses, the floor area of the whole GIS is reduced, not only the cost of a transformer sleeve and lead-in civil engineering framework are reduced, but also the circuit reliability is greatly improved, and the phenomena are avoided that insulation pollution is difficult to process, a line is easy to be struck by lightning, and the disconnection of the line causes a power failure accident in the whole thermal power plant because overhead line mode is adopted.