P2P透明时钟驻留时间误差测试方法及其在时钟测试仪上的实现
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摘要
在采用IEEE 1588协议实现时间同步的智能变电站自动化系统中,交换机的时钟模型一般选取为P2P(对等)透明时钟,因此研究P2P透明时钟驻留时间误差的测试方法,对于评估交换机作为P2P透明时钟的性能,具有重要的现实意义。在定义P2P透明时钟驻留时间误差的基础上,提出了P2P透明时钟驻留时间误差的测试方法以及此测试方法在时钟测试仪上的实现,并描述了利用测试仪样机测试P2P透明时钟驻留时间误差的测试步骤。测试结果表明,提出的测试方法是可行的,可以用来测试智能变电站中交换机P2P透明时钟的性能。
In smart substation automation systems where time synchronization is realized with IEEE1588 protocol, clock model of network switches is selected as P2 P transparent clock(P2P TC). So research on P2 P TC resident time error(RTE) test method is of important practical significance for evaluating P2 P TC performance. Based on P2 P TC RTE definition, a P2 P TC RTE test method and its implementation is proposed. Test results show that the proposed test method is feasible and suitable to P2 P TC performance test of network switches in smart substation.
In smart substation automation systems where time synchronization is realized with IEEE1588 protocol, clock model of network switches is selected as P2 P transparent clock(P2P TC). So research on P2 P TC resident time error(RTE) test method is of important practical significance for evaluating P2 P TC performance. Based on P2 P TC RTE definition, a P2 P TC RTE test method and its implementation is proposed. Test results show that the proposed test method is feasible and suitable to P2 P TC performance test of network switches in smart substation.
引文
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[17]杨贵,王兆强,王文龙,等.智能变电站过程层交换机关键技术探讨[J].电气技术,2012(1):51-55.Yang Gui,Wang Zhaoqiang,Wang Wenlong,et al.Intelligent substation process level switch key technology discussion[J].Electrical Engineering Magazine,2012(1):51-55(in Chinese).
[2]罗彦,段雄英,张明志,等.IEC 61850-9-2过程总线上的同步技术研究[J].电网技术,2012,34(12):229-234.Luo Yan,Duan Xiongying,Zhang Mingzhi,et al.Research on time synchronization for IEC 61850-9-2 process bus[J].Power System Technology,2012,34(12):229-234(in Chinese).
[3]胡浩亮,吴伟将,雷民,等.计量用合并单元及电子式互感器计量接口规范化探讨[J].电网技术,2014,38(5):1414-1419.Hu Haoliang,Wu Weijiang,Lei Min,et al.Discussion on standardization of merging unit for metering and electronic transformer metering interface[J].Power System Technology,2014,38(5):1414-1419(in Chinese).
[4]赵上林,胡敏强,窦晓波,等.基于IEEE1588的数字化变电站时钟同步技术研究[J].电网技术,2008,32(21):97-102.Zhao Shanglin,Hu Minqiang,Dou Xiaobo,et al.Research of time synchronization in digital substation based on IEEE1588[J].Power System Technology,2008,32(21):97-102(in Chinese).
[5]殷志良,刘万顺,杨奇逊,等.基于IEEE1588实现变电站过程总线采样值同步新技术[J].电力系统自动化,2005,29(13):60-63.Yin Zhiliang,Liu Wanshun,Yang Qixun,et al.A new IEEE1588based technology for realizing the sampled values synchronization on the substation process bus[J].Automation of Electric Power Systems,2005,29(13):60-63(in Chinese).
[6]黄曙,崔全胜,宋小会,等.电力系统IEEE 1588一致性测试研究[J].电网技术,2012,36(6):89-94.Huang Shu,Cui Quansheng,Song Xiaohui,et al.Study of IEEE 1588conformance testing in electric power system[J].Power System Technology,2012,36(6):89-94(in Chinese).
[7]滕玲,高强,汪洋,等.电力频率同步网与时间同步网两网合一可行性研究[J].电网技术,2015,39(1):294-298.Teng Ling,Gao Qiang,Wang Yang,et al.Feasibility research on integration of power frequency synchronization network with time synchronization network[J].Power System Technology,2015,39(1):294-298(in Chinese).
[8]辛耀中.智能电网调度控制技术国际标准体系研究[J].电网技术,2015,39(1):1-10.Xin Yaozhong.Research on international standard architecture for smart grid dispatching and control technology[J].Power System Technology,2015,39(1):1-10(in Chinese).
[9]刘昊昱,浮明军,左群业,等.基于三网合一过程层的变电站集中式保护采样和网络方案研究[J].电力系统保护与控制,2013,41(21):141-146.Liu Haoyu,Fu Mingjun,Zuo Qunye,et al.Research on sampling and network scheme of centralized protection base on tri-networks integration in process layer[J].Power System Protection and Control,2013,41(21):141-146(in Chinese).
[10]胡建斌,常晓杰,黄荣辉.智能变电站过程层“三网合一”组网方案及VLAN划分[J].电工技术,2011(9):10-13.
[11]IEEE Std 1588—2008 IEEE standard for a precision clock synchronization protocol for networked measurement and control systems[S].
[12]IEEE Std 1588—2002 IEEE standard for a precision clock synchronization protocol for networked measurement and control systems[S].
[13]崔全胜,魏勇,何永吉,等.PTP1588协议的分析[J].电力系统保护与控制,2011,39(10):148-154.Cui Quansheng,Wei Yong,He Yongji,et al.Analysis of PTP 1588protocol[J].Power System Protection and Control,2011,39(10):148-154(in Chinese).
[14]陈班贤,黄崎,井实,等.一种用于电力系统的可控同步时钟测试仪的研制[J].电测与仪表,2013,50(7):96-100.Chen Banxian,Huang Qi,Jing Shi,et al.Development of a clock synchronization controlled tester for electric[J].Power System Electrical Measurement&Instrumentation,2013,50(7):96-100(in Chinese).
[15]张清,杜牧川,曹帅.变电站对时技术策略研究[J].电测与仪表,2014,51(15):60-73.Zhang Qing,Du Muchuan,Cao Shuai.Research on the time synchronization technology strategy in substations[J].Electrical Measurement&Instrumentation,2014,51(15):60-73(in Chinese).
[16]魏勇,罗思需,施迪,等.基于IEC61850-9-2及GOOSE共网传输的数字化变电站技术应用与分析[J].电力系统保护与控制,2010,38(24):146-152.Wei Yong,Luo Sixu,Shi Di,et al.Research and application on digital substation based on IEC61850-9-2 and GOOSE communication in one network[J].Power System Protection and Control,2010,38(24):146-152(in Chinese).
[17]杨贵,王兆强,王文龙,等.智能变电站过程层交换机关键技术探讨[J].电气技术,2012(1):51-55.Yang Gui,Wang Zhaoqiang,Wang Wenlong,et al.Intelligent substation process level switch key technology discussion[J].Electrical Engineering Magazine,2012(1):51-55(in Chinese).