旁代切换光纤分相差动保护的初步尝试  

A Practice of Switching Over of the Optical Fiber Communication Channel For the Current Differential Protection of Transmission Line

作　　者：李晨[1] 

机构地区：[1]中国国电集团公司太原第一热电厂,山西太原030001

出　　处：《电力学报》2005年第1期56-57,60,共3页Journal of Electric Power

摘　　要：综述了“2 2 0kV厂站旁路断路器代路时切换线路光纤差动保护”这一新课题的有关问题,讨论了它的意义和实施原理,并对于光纤“复用”、“专用”2种形式的利弊进行了分析。This paper describes related problems ot a new subject-“Switching over of the optical fiber communication channel for the current differential protection when by-pass circuit breaker replaces the CB of 220kV transmission line”, discusses its meaning and practice, and analyses characteristic of “special”and “share”optical fiber.

关 键 词：光纤通道 差动保护 旁代切换 

分 类 号：TM772[电气工程—电力系统及自动化]