CAJ | 학술논문

介绍了华东500 kV瓶窑变电所故障电流限制器在线路负荷电流正常增加过程中，频繁出现的光通道阀损坏、主动旁路保护动作及永久闭锁合闸情况，分析了导致故障电流限制器频繁永久闭锁合闸的根本原因，提出了修改阀控与监测系统程序，增大阀高电位控制单元检测时间，以及增加监控后台远方复归功能的改进方法，为变电站无人值班提供了技术支撑。
개소료화동500 kV병요변전소고장전류한제기재선로부하전류정상증가과정중，빈번출현적광통도벌손배、주동방로보호동작급영구폐쇄합갑정황，분석료도치고장전류한제기빈번영구폐쇄합갑적근본원인，제출료수개벌공여감측계통정서，증대벌고전위공제단원검측시간，이급증가감공후태원방복귀공능적개진방법，위변전참무인치반제공료기술지탱。
For the fault current limiter in 500 kV Pingyao substation, introduction was made to the phenomena such as optical channel valve damage, active bypass protection action and permanent closing in the normal increasing process of line load current. This paper an-alyzed fundamental causes making the fault current limiter frequently permanent closing;raised modifying valve control and monitoring system programs;increased test time of thyristor control unit and added to monitor the remote reset function, which provided technical support for unattended substation.