| 摘要 |
PURPOSE:To enable maintenance and inspection as well as repair of a gas circulator without stopping gas circulation by connecting one common gas circulator in parallel with gas circulators provided in a number of respective gas insulated electric equipments. CONSTITUTION:The tank-side pipes of valves 16a, 16b of gas insulated electric equipments 11a, 11b respectively such as gas insulated transformers or the like are connected through valves 21b and 22b to a pipe 31, and valves 15a, 15b are connected through valves 21a, 22a by a pipe 32 therebetween, and a common gas circulator 20 is connected beween the pipes 31 and 32. When the circulator 20 is thus provided, it forms parallel circulating system with respect to the circulators 13a, 13b so as to conduct maintenance and inspection as well as repair without double facilities nor stopping the operation thereof. |
