输电线纵联差动保护的通信通道安全保障

Communication channel security of longitudinal differential protection of transmission line

近年来输电线路纵联差动保护在电力系统中得到了大规模应用,通信通道是该保护系统的重要基础,信号的传输质量主要取决于通道是否能够安全可靠运行,结合生产实际对保护的通信通道安全保障问题进行探讨。

Longitudinal differential protection of transmission line has been greatly used in electric power system these years, the communication channel is vital foundation in the protection system, and the transmission quality of signal mainly depends on whether the channel is in safe condition or not, the paper discussed the security problems of communication channel of protection system according to actual situation and accumulated experiences.