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一种基于时钟差的双端数据同步方法
引用本文:张海啸,王茜,刘春明. 一种基于时钟差的双端数据同步方法[J]. 电力系统通信, 2011, 32(6): 44-47
作者姓名:张海啸  王茜  刘春明
作者单位:西南交通大学电气工程学院,四川成都,610031
摘    要:文章对已有的双端数据采样同步方法进行了对比分析并指出了其优缺点.随着自愈环网和可变路由的光纤通道在高压电网中的普遍应用,采样数字同步网络复用通道作为传输信道时有可能出现通信路由不一致的情况,为了解决收、发通道延时不一致时的数据同步问题,文章引入装置“时钟差”的概念,以传统的“乒乓对时”为主,辅助以电气量对时,可以解决由...

关 键 词:双端数据  数字同步网络  时钟差  乒乓对时  差动保护

Double-side Date Synchronization Method Based on Clock Difference
ZA NG Hai-xiao,WANG Qian,LIU Chun-ming. Double-side Date Synchronization Method Based on Clock Difference[J]. Telecommunications for Electric Power System, 2011, 32(6): 44-47
Authors:ZA NG Hai-xiao  WANG Qian  LIU Chun-ming
Affiliation:ZANG Hai-xiao,WANG Qian,LIU Chun-ming(Electrical Engineering Cillege,Southwest Jiaotong University,Chengdu 610031,China)
Abstract:This paper analyzes the existing double-side data synchronization method,compares their advantages and disadvantages.With the development of fiber channel of self-healing network and variable routing in high voltage power grid,it could occur communication routes inconsistency when multiplex channel of SDH used as transmission channel.A concept Clock difference is introduces to solve the delay problem of double-data synchronization.
Keywords:double-side data  SDH  the clock difference  ping-pong time  differential protection  
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