| 摘要 |
PURPOSE:To drain rapidly insulating oil in an oil-immersed machinery and apparatus, and to prevent catch fire, etc., of the oil-immersed machinery and apparatus to be generated by a trouble by a method wherein oil distributing pipes at the upper and the lower parts are connected to common oil conducting pipes at the upper and the lower parts on coolers side, and a suction pipe and a drain oil pipe having respectively switching valves are connected to the common oil conducting pipes thereof. CONSTITUTION:The upper part of the oil-immersed machinery and apparatus 2 is connected to the upper part common oil conducting pipe 12 provided outside from a bushing pocket 10 through the upper part oil distributing pipe 11, and the suction pipe 13 having the switching valve 4 is connected to the common oil conducting pipe 12 thereof. Moreover the lower part thereof is connected to the lower part common oil conducting pipe 15 provided outside through the lower part distributing pipe 14, the drain oil pipe 16 having the switching valve 4 is connected to the common oil conducting pipe 15 thereof, and the coolers 8 of plural number are fixed respectively to the upper and the lower parts common oil conducting pipes 12, 15. Accordingly insulating oil in the oil-immersed machinery and apparatus can be drained rapidly and safely in a drain oil tank 3 when an emergency arises, and the damages by a fire can be prevented. |
