220 V直流系统常见绝缘异常分析  

Analysis of Common Insulation Anomalies in 220 V DC System

作　　者：张振兴 ZHANG Zhenxing(State Grid Fujian Electric Power Co.,Ltd,Maintenance Branch,Fujian 350013,China)

机构地区：[1]国网福建省电力有限公司检修分公司,福建350013

出　　处：《集成电路应用》2018年第12期97-98,共2页Application of IC

摘　　要：直流系统的绝缘异常可能引起继电保护、控制回路的拒动或误动,其可靠运行直接影响到变电站的安全运行。为了确保直流系统的稳定运行,通过分析各种绝缘异常情况,总结出异常处理的典型方法和注意事项,为今后处理该问题提供了参考建议。The insulation abnormality of DC system may cause the rejection or malfunction of relay protection and control circuit,and its reliable operation directly affects the safe operation of substation.In order to ensure the stable operation of DC system,this paper summarizes the typical methods and precautions of exception handling by analyzing various insulation anomalies,and provides some reference suggestions for dealing with this problem in the future.

关 键 词：直流系统 绝缘异常 分析与处理 

分 类 号：TM63[电气工程—电力系统及自动化]