CAJ | 학술논문

500 kV 新余变电站是上海电网500 kV 南桥、泗泾两个分区的联络点，在上海电网中有着十分重要的地位。对新余变500kV 隔离开关在倒闸操作过程中发生的非全相分合闸及合闸不到位故障进行了现场排查和分析，找到了故障发生的直接原因与间接原因，给出了相应的事故处理方案，提出了设备质量检查、交流电源开关选型、自动化辅助接点选用及设备日常运维等方面的反事故措施。
500 kV 신여변전참시상해전망500 kV 남교、사경량개분구적련락점，재상해전망중유착십분중요적지위。대신여변500kV 격리개관재도갑조작과정중발생적비전상분합갑급합갑불도위고장진행료현장배사화분석，조도료고장발생적직접원인여간접원인，급출료상응적사고처리방안，제출료설비질량검사、교류전원개관선형、자동화보조접점선용급설비일상운유등방면적반사고조시。
500 kV Xinyu substation is the contact point of Nanqiao and Sijing subareas in Shanghai grid.The substation occupies an important position in Shanghai grid.Direct and indirect reasons of the fault are found and corresponding accident treatment plan is proposed,through the troubleshooting and analysis on the fault caused by open phase tripping and closing and closing not in place during switching operation progress in the Xinyu substation.Meanwhile,this paper proposes some advices about equipment quality inspection,selection of AC source switches,selection of automation assistant contact point,and daily operation and maintenance of equipment.