线路保护光复用通道差异化分析

Differentiation Analysis of Line Protection Optical Multiplexing Channels

随着光复用通道技术日益成熟,220 kV及以上电压等级的线路保护装置开始应用光复用通道方式,光复用通道的光纤利用率高、通信距离长,减少了站内通道转接环节,具有明显的优势。但光复用通道存在保护光发送速率与光端机不匹配的问题,不同的厂家需要不同的方式处理。分析了主流六大保护厂家光复用通道的差异性,总结了针对性的解决方法。

With the increasing maturity of multiplexing channel technology,line protection devices with voltage levels of 220 kV and above begin to adopt the optical multiplexing channel mode,which has obvious advantages in high optical fiber utilization rate,long communication distance,and reduced channel switching link.However,there is a problem that the protection optical transmission rate of the optical multiplexing channel does not match that of the optical terminal,and different manufacturers need different ways of handling.In this paper,the differences of the multiplexing channels of six mainstream protection manufacturers are analyzed,and the corresponding solutions are summarized.