线路光纤差动保护通道中断故障分析  

Analysis on Optical Fiber Differential Protection Channel Interruption Fault of Transmission Line

作　　者：赵康宁 曹健 杨松 ZHAO Kangning;CAO Jian;YANG Song(The Maintenance Company of State Grid Jiangsu Electric Power Co.,Ltd.,Nanjing 210000)

机构地区：[1]国网江苏省电力有限公司检修分公司,江苏南京210000

出　　处：《电力安全技术》2021年第12期50-52,共3页Electric Safety Technology

摘　　要：结合现场工作实践,针对两起500 kV保护光纤通道中断缺陷处理案例,梳理了光纤通道的故障排查过程,总结了常见故障的处理方法,并提出新的自环测试思路,便于检修人员借鉴参考,有效提升现场检修效率。In allusion to two cases on 500 kV protection optical fiber channel interruption defect treatment,combined with field practice,the troubleshooting process of optical fiber channel is summarized,several common fault treatment methods are sorted out,and a new self-loop test idea is put forward,which can be used for reference by maintenance personnel and effectively improving the onsite maintenance efficiency.

关 键 词：光纤差动保护 光纤通道 通道中断 自环 

分 类 号：TM773[电气工程—电力系统及自动化]