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去年三月九日夜里十一点钟,我厂变电所向某化工车间0.4kV低压供电的空气开关突然跳闸,变电所值班电工将该空气开关试送电一次,未能送上。与该车间联系,车间值班操作工反映车间总配电柜内有弧光产生,经检查发现:刀开关、空气开关底座板上有水,空气开关底座板上边的胶木被烧毁,无法送电。车间立即组织抢修,将空气开关换掉,刀开关用远红外灯烘烤,经五个多小时的抢修,才恢复送
Last eleven o’clock on the night of March 9 last year, our factory suddenly tripped the air switch to 0.4kV low-voltage power supply in a chemical plant. The electrician on duty in the substation tried the air switch once to send the electricity and failed to send it. Contact with the workshop, the workshop operator on duty to reflect the workshop has a power distribution cabinet arc, the inspection found: knife switch, air switch base plate with water, air switch base plate above the bakelite was burned, unable to send electricity. Workshop immediately repair, the air switch replaced, knife switch far infrared light baking, after more than five hours of repair, was restored