高可靠性继电保护网络采样同步系统
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摘要
为提高智能变电站继电保护网络采样的可靠性,基于当前的研究现状,构建基于网络延时补偿的高可靠性继电保护采样值同步系统,分别给出了基于插值法的网络采样同步原理,分析网络采样延时的构成,阐述交换机延时的测量原理,从理论上分析该系统的延时同步误差方法。在实验室环境下搭建该采样同步系统,从测试和理论上分析对所构建的高可靠性同步系统进行评估,所得结果表明该系统能够有效实现网络采样的同步,保证网络采样下继电保护的可靠性。
In order to improve network sampling reliability of relay protection in smart substation,this paper considers current research status quo and constructs the sampling value synchronization system of high reliable relay protection based on network delay compensation.It respectively provides network sampling synchronization principles based on interpolation method,analyzes composition of network sampling delay,states measurement principle of the switch delay and theoretically analyzes delay synchronization error method of this system.In the laboratory environment,it builds this sampling synchronization system and evaluates the system by testing and in theory.The results indicate this system can effectively realize synchronization of network sampling and ensure reliability of relay protection.
In order to improve network sampling reliability of relay protection in smart substation,this paper considers current research status quo and constructs the sampling value synchronization system of high reliable relay protection based on network delay compensation.It respectively provides network sampling synchronization principles based on interpolation method,analyzes composition of network sampling delay,states measurement principle of the switch delay and theoretically analyzes delay synchronization error method of this system.In the laboratory environment,it builds this sampling synchronization system and evaluates the system by testing and in theory.The results indicate this system can effectively realize synchronization of network sampling and ensure reliability of relay protection.
引文
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[16]胡春潮.基于IEC61580动态数据集的源端维护技术[J].广东电力,2016,29(12):57-61.HU Chuncao.Substation data source-side maintenance based on IEC61580 dynamic dataset[J].Guangdong Electric Power,2016,29(12):57-61.
[2]徐志强,金广祥,陆俊,等.智能变电站中时延拓展测量时间同步优化方法[J].电力信息与通信技术,2017,15(1):26-31.XU Zhiqiang,JING Guangxiang,LU Jun,et al.An optimization time synchronization method based on time delay expansion measurement for smart substation[J].Electric Power Information and Communication Technology,2017,15(1):26-31.
[3]许士光,封科,唐冠军,等.智能变电站数字化稳控装置测试系统研究与开发[J].电力信息与通信技术,2017,15(6):23-29.XU Shiguang,FENG Ke,TANG Guanjun,et al.Development and research on testing system of digital stability control device for smart substation[J].Electric Power Information and Communication Technology,2017,15(6):23-29.
[4]马恒,陈志宏,熊华强,等.基于SCD文件的智能变电站自动化配置通信设备应用研究[J].电力信息与通信技术,2017,15(7):63-69.MA Heng,CHEN Zhihong,XIONG Huaqiang,et al.Research on the application of automatic configuration communication equipment based on SCD file in smart substation[J].Electric Power Information and Communication Technology,2017,15(7):63-69.
[5]赵文广,任小勇.智能设备直接实现B码对时的方法[J].电力系统自动化,2010,34(10):113-115.ZHAO Wenguang,REN Xiaoyong.Time synchronization with IRIG-B code in intelligent electronic devices[J].Automation of Electric Power Systems,2010,34(10):113-115.
[6]吴宁,潘小龙,虞皆侠.高精度GPS同步时钟的研究与实现[J].电力系统自动化,2008,32(10):61-65.WU Ning,PAN Xiaolong,YU Jiexia.Research and realization of the high accuracy GPS synchronization clock[J].Automation of Electric Power Systems,2008,32(10):61-65.
[7]INGRAM D M E,SCHAUB P,CAMPBELL D A.Use of Precision Time Protocol to synchronize sampled-value process buses[J].IEEE Transactions on Instrumentation and Measurement,2012,61(5):1173-1180.
[8]INGRAM D M E,SCHAUB P,CAMPBELL D A,et al.Quantitative assessment of fault tolerant precision timing for electricity substations[J].IEEE Transactions on Instrumentation and Measurement,2013,62(10):2694-2703.
[9]INGRAM D M E,SCHAUB P,CAMPBELL D A,et al.Performance analysis of PTP Components for IEC61850 Process Bus Applications[J].IEEE Transactions on Instrumentation and Measurement,2013,62(4):710-719.
[10]DE DOMINICIS C M,FERRARI P,FLAMMINI A,et al.On the use of IEEE1588 in existing IEC61850-based SASs:current behavior and future challenges[J].IEEE Transactions on Instrumentation and Measurement,2011,60(9):3070-3081.
[11]张延旭,蔡泽祥,竹之涵,等.基于传输延时补偿的继电保护网络采样同步方法[J].电力系统自动化,2015,39(18):81-85,96.ZHANG Yanxu,CAI Zexiang,ZHU Zhihan,et al.Network sampling synchronization of relay protection based on transmission delay compensation[J].Automation of Electric Power Systems,2015,39(18):81-85,96.
[12]黄灿,肖驰夫,方毅,等.智能变电站中采样值传输延时的处理[J].电网技术,2011(1):5-10.HUANG Can,XIAO Chifu,FANG Yi,et al.A method to deal with packet transfer delay of sampled value in smart substation[J].Power System Technology,2011(1):5-10.
[13]JIHO H,DEOG-KYOON J.A practical implementation of IEEE 1588-2008 transparent clock for distributed measurement and control systems[J].IEEE Transactions on Instrumentation and Measurement,2010,59(2):433-439.
[14]张鹤鸣,杨斌.IEEE1588v2基于透明时钟的误差分析与修正[J].计算机应用,2011(6):1476-1479.ZHANG Heming,YANG Bin.Residual analysis and correction in IEEE1588v2 standard based on transparent clock[J].Journal of Computer Applications,2011(6):1476-1479.
[15]VILLAMAGNA N,CROSSLEY P A.A symmetrical component-based GPS signal failure-detection algorithm for use in feeder current differential protection[J].IEEE Transactions on Power Delivery 2008,23(4):1821-1828.
[16]胡春潮.基于IEC61580动态数据集的源端维护技术[J].广东电力,2016,29(12):57-61.HU Chuncao.Substation data source-side maintenance based on IEC61580 dynamic dataset[J].Guangdong Electric Power,2016,29(12):57-61.