| 摘要 |
PURPOSE:To reduce the size of a gas-insulated transformer by providing a recess at the lower part of a tank, arranging a transformer body at the upper part in the tank, forming a lower recess at a gas body, arranging a nonvoltage tap changer thereat, and providing a gas blower at the recess cut of the tank. CONSTITUTION:A recess is formed at the lower part of the tank 15, a gas drum- body 16 is formed at the recess in the tank 15, and a gas blower 17 for communicating with the gas body 16 is provided externally. A nonvoltage tap changer 12 is arranged in the gas durm-body 16, the space between the gas drum-body 16 and the tank 15 at the upper part is formed of a bottom plate 18, and a transformer body 11 is placed on the bottom plate 18. A tap lead 14 and an opening for passing gas are formed at the bottom plate 18, and the upper opening of the tank 15 is closed by a cover 19. |
