论文部分内容阅读
1998年11月底,东营市某办公大楼交付使用。1999年10月上旬,一工作人员捡掉在地上的毛巾时,偶然发现该处地板发热,经检查发热面积约为0.4m×0.4m,地板表面温度约50～60℃。在排除其他发热原因后,怀疑是漏电所致。经查图纸,发现从强电间去配电箱的那一路电源从发热房间经过,电路配线为BV5×25mm~2,穿DN50焊管暗敷于现浇楼板内。在此之前供配电设备工作正常。
By the end of November 1998, an office building in Dongying City was delivered for use. In early October 1999, when a worker picked up the towel on the ground, he accidentally discovered that the floor was hot. After checking the area of heat was about 0.4m × 0.4m and the surface temperature of the floor was about 50-60 ℃. After excluding the causes of other fever, suspected to be caused by leakage. After checking the drawings and found that the way from the power distribution box to the power supply room from the heating room, the circuit wiring BV5 × 25mm ~ 2, wear DN50 pipe dark compaction in cast floor. Prior to supply and distribution equipment is working properly.