监控后台遥信信号误报的分析及处理  

Analysis and solution of the fault of telesignal in monitoring backup system

作　　者：高士涛[1] 朱莹[2] 张俊波[1] 

机构地区：[1]河南送变电建设公司,河南郑州450051 [2]河南省郑州供电公司,河南郑州450006

出　　处：《继电器》2007年第20期80-81,共2页Relay

摘　　要：根据在变电站传动过程中监控后台遥信信号误报的情况,简单介绍了监控信号干扰的来源以及目前电力系统二次回路或设备采取的抗干扰措施,并对产生信号误报原因进行了细致的分析,最后根据实际情况提出了三种具体的整改方法,经现场实际传动验证了方法的正确性。This paper, based on the telesignal fault of monitoring backup system which occurs during the substation operation, analyzes the source of monitoring interference signal and the existing anti-interference solution. According to this analysis and the real situation, this paper puts up three new methods and also used on site, these methods have been proved its correctness.

关 键 词：光电隔离 杂散电容 动作电压 

分 类 号：TM764[电气工程—电力系统及自动化]