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哈尔滨电务段中楼信号工区维修的信号设备,处于哈尔滨车站中部咽喉区,与哈站南北站场相连,是运输繁忙的哈尔滨枢纽区的关键部位。过去一年一次的信号电缆测试,必须停电进行,全部信号联锁设备停用,给铁路运输造成严重影响,虽然车站和电务部门都要出动大量的人员,也难于替代信号设备的作用。这样,不仅运输效率低,而且在忙乱中容易造成事故。从电务部门工作来看,停电测试电缆,既不能确切反应又不能经常监督运用中的电缆绝缘的动态变化,更不能同时测得与电缆相关的机械对地绝缘情况,满足不了信号设备维修技
The signal equipment of the signal repair area of Harbin Zhongdian Building in Harbin Railway Station is located in the throat area in the central part of Harbin Railway Station and connected with the north and south station of Harbin Railway Station. It is a key part of the hub area for heavy traffic in Harbin. The signal cable test conducted in the past year must be powered off and all signal interlocking equipment deactivated. This has a serious impact on railway transport. Although a large number of personnel are required to dispatch stations and service departments, it is also hard to replace signal equipment. In this way, not only the transportation efficiency is low, but also an accident is easily caused in the rush. From the work of the power sector point of view, power failure test cable, neither the exact response can not always monitor the dynamic changes in the use of cable insulation, but can not be measured at the same time and cable-related mechanical insulation on the ground to meet the signal equipment maintenance technology