基于IEEE 1588标准的变电站同步网络的研究  

Research Based on IEEE1588 Time Synchronization Network in Digital Substation

作　　者：汪祺航[1] 黄伟[2] 吴在军[1] 赵上林[1] 

机构地区：[1]东南大学电气工程学院,江苏南京210096 [2]江苏方天电力技术有限公司,江苏南京211102

出　　处：《江苏电机工程》2010年第1期51-54,共4页Jiangsu Electrical Engineering

摘　　要：介绍了国内现阶段数字化变电站时钟同步技术的应用,比较了现阶段变电站时钟同步技术的技术特点。针对新型数字化变电站高精度时钟同步指标要求,引入能达到亚微秒级对时精度的IEEE 1588时钟同步对时技术,阐述了IEEE1588时钟同步技术原理。基于IEEE1588时钟同步技术,讨论了数字化变电站站内对时网络的3种配置方法。分析了IEEE1588对时技术用于区域电网的局限性,综合全球定位系统(GPS)对时技术和IEEE1588技术提出了一种现阶段最优化的变电站同步时钟网络配置方案。This paper introduces the application of time synchronization schemes in digital substation and compares the technical characteristics of them.Aim to meet high-accuracy synchronization requirement of new digital substation,a time synchronization system based on IEEE 1588 which can support sub-microsecond level of accuracy is put forward.The theory of IEEE 1588 is expatiated at the same time.According to IEEE 1588,this paper expounds three application schemes on time synchronization network in substation,and analyzes the limits of IEEE 1588 applied to time synchronization between substations.Lastly,an optimal configuration synchronization network is proposed,on the basis of integrating the GPS and IEEE 1588 technology.

关 键 词：时钟同步 IEEE1588 数字化变电站 

分 类 号：TM63[电气工程—电力系统及自动化]