光纤纵联保护通道故障在线诊断方法

A channel fault diagnosis method for fiber pilot relay protection

在分析现有光纤纵联保护装置通信方式和通道故障诊断方法的基础上,通过在光纤纵联保护装置及通信接口装置内实现完善的物理链路和通信状态监测的方法。在不需要插拔光纤、电缆或增加冗余监测设备的情况下,即可实现光纤纵联保护和通信设备的通道状态的在线诊断。能实时显示光纤通道收发功率、误码情况等运行信息。在通道发生故障时,运行和维护人员通过查看保护装置和后台的实时状态报告,即可准确地定位通道故障点和故障原因。同时通过设置通道状态的预警值,能及早发现并解决由于通道故障问题带来的光纤纵联保护安全运行隐患。

Based on the analysis of the existing channel fault diagnosis method of fiber pilot relay protection, and within the realization of the physical link and communication state monitoring method in the relay protection and communication interface device, online diagnosis for the channel state of fiber pilot relay protection and communication equipment can be realized in case of not need to plug optical fiber, cable or adding redundant monitoring equipment, and can display the fiber channel real-time status, such as transceiver power and error code, etc. When a fault occurs in the channel, real-time status report to operation and maintenance personnel can be shown through the view of the relay protection of LCD, with which channel fault points and fault reasons can be accurately positioned. At the same time, by setting up the channel state of alarm value, the safe operation of hidden trouble for fiber pilot protection because of channel failure problem can be detected and solved early.