摘要
针对一起220kV线路保护改造验收过程中发现的纵联距离保护收、发信通道异常情况,分析其原因以及相关风险,并提出针对性的整改和预防控制措施,以消除设备隐患。
To the problem of receive and transmission channel of pilot distance protection during transformation of 220 kV line protection. The causes and related risks were analyzed. Pertinent rectification and preventive control measures were proposed to eliminate serious problems in the future.
作者
雷宇
LEI Yu(Zhaoqing Power Supply Bureau of Guangdong Power Grid Co.,Ltd.,Zhaoqing 526060,China)
出处
《电工技术》
2018年第22期65-66,68,共3页
Electric Engineering
关键词
允许式纵联保护
光纤通信接口装置
保护通道
分相式
pilot protection
optical fiber communication interface device
protection channel
split phase type
