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介绍已成功运行于南昆电气化铁路工程的ＷＪＨ２型牵引变电站微机监控保护系统的结构模式与主要特点，说明了牵引变电站应用微机监控保护系统取代常规控制保护系统的诸多优点。
This paper introduces the structure mode and main features of the computer monitoring and protection system of WJH2 traction substation which has been successfully operated in Nankun electrified railway project and shows the advantages of using microcomputer monitoring and protection system instead of conventional control and protection system in traction substation.