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随着智能变电站建设的全面展开,站内关键智能设备进行例行检修是智能变电站安全可靠运行的基础。目前国内尚未对智能变电站的例行检修方案进行系统研究,以220 kV西泾智能变电站为例,对检修总体方案进行分析,确定检修模式,然后分别对智能保护系统、在线监测系统以及电子互感器的检修方案进行研究和分析,特别对按间隔进行检修时的安全隔离方案进行研究,并以线路间隔为例进行详细说明。
With the full construction of smart substations, the routine maintenance of key intelligent devices in the stations is the basis for the safe and reliable operation of smart substations. At present, no systematic research has been carried out on the routine maintenance scheme of intelligent substation in China. Taking the 220 kV West Jing intelligent substation as an example, the overall maintenance scheme is analyzed and the maintenance mode is determined. Then, the intelligent protection system, on-line monitoring system and electronic transformer Of the maintenance program to conduct research and analysis, in particular, to carry out safety isolation program at intervals of overhaul study, and to line spacing as an example for a detailed description.