| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas-insulated stationary device which allows for improvement of assembling workability while enhancing the cooling efficiency.SOLUTION: The gas-insulated stationary device has a tank 1 filled with insulating gas 2, a core 3 housed in the tank 1, a winding 4 wound around the core 3, a cooler 5 provided on the outside of the tank 1 and cooling the insulating gas 2, a blower 7 provided on the outside of the tank 1, and feeding the insulating gas 2 cooled by the cooler 5 into the tank 1, an upper fastening part 11 provided above the winding 4, and a hollow lower fastening part 6 provided below the winding 4, and supporting the winding 4 together with the upper fastening part 11. The lower fastening part 6 includes an inflow opening 6a for flowing the insulating gas 2, fed into the tank 1 by means of the blower 7, to the inside, and an outflow opening 6c provided on the winding 4 side and flowing out the insulating gas 2 from the inside. |
