摘要
通过分析64 k复用保护PCM光纤通道的结构,介绍了500 kV郑州变至嵩山变一起64 k差动复用保护通道故障,并分析了故障处理过程。通过此次故障检修,阐述了64 k复用保护通道故障处理思路,说明了64 k通道测试的方法,并提出保护通道组织配置的一些建议,供电力系统通信运行维护人员参考。
By analyzing the architecture of 64 k PCM multiplexing fiber protection channels,this paper introduces a fault of 64 k differential multiplexing protection channel in 500 kV zhengzhou substation to songshan substation and analyses the troubleshooting procedure.It discusses the troubleshooting methods of 64K multiplexing protection channel,and explains the testing methods.Some suggestions on channel allocation are also provided for power communication operation and maintenance personnel.
出处
《电力系统通信》
2010年第4期65-68,共4页
Telecommunications for Electric Power System
关键词
64k通道
差动保护
复用保护通道
误码
时钟同步
64 k channel
differential protection
multiplexing protection channel
error code
clock synchronization
