新一代智能变电站波分复用无源光通信网络性能研究
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摘要
针对智能变电站通信系统中出现的网络时间同步、传输时延以及抖动较大的问题,对智能变电站通信网络复用方式进行了研究,提出了波分复用网络架构模式。新一代智能变电站波分复用无源光通信网络架构基于无源光网络和虚拟的点对点双向传输链路,采用业务隔离等技术,保证整个网络的稳定和可靠。通过仿真得到波分复用无源光网络的通信业务的性能指标并加以分析,证实了变电站业务对通信网络的要求均能够通过波分复用通信网络实现,该通信网络可用于变电站通信网。
Aiming at the problems of network time synchronization,transmission time delay and large jitter existing in the communication system of intelligent substation,the multiplexing mode of communication network in intelligent substation is studied and the WDM( Wavelength Division Multiplexing) network architecture mode is proposed. The structure of WDM-PON( Wavelength Division Multiplexing-Passive Optical Network) in new generation of smart substation is based on passive optical network and virtual point-to-point bi-directional transmission links and adopts the business isolation technology,which ensures the stability and reliability of the entire network. The performance indexes of WDM-PON are obtained through simulation and analyzed. The analytical results prove that WDM communication network can satisfy the requirements of substation service on communication network and can be applied to the substation communication network.
Aiming at the problems of network time synchronization,transmission time delay and large jitter existing in the communication system of intelligent substation,the multiplexing mode of communication network in intelligent substation is studied and the WDM( Wavelength Division Multiplexing) network architecture mode is proposed. The structure of WDM-PON( Wavelength Division Multiplexing-Passive Optical Network) in new generation of smart substation is based on passive optical network and virtual point-to-point bi-directional transmission links and adopts the business isolation technology,which ensures the stability and reliability of the entire network. The performance indexes of WDM-PON are obtained through simulation and analyzed. The analytical results prove that WDM communication network can satisfy the requirements of substation service on communication network and can be applied to the substation communication network.
引文
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[2]刘炬,刘晓明,陈宇恩,等.基于工业以太网和实时操作系统的多CPU嵌入式变电站通信处理平台[J].电力自动化设备,2009,29(7):123-126.LIU Ju,LIU Xiaoming,CHEN Yuen,et al. Embedded multiple-CPU substation communication platform based on industry Ethernet and RTOS[J]. Electric Power Automation Equipment,2009,29(7):123-126.
[3]许铁峰,徐习东.高可用性无缝环网在数字化变电站通信网络的应用[J].电力自动化设备,2011,31(10):121-125.XU Tiefeng,XU Xidong. Application of high-availability seamless ring in substation communication network[J]. Electric Power Automation Equipment,2011,31(10):121-125.
[4]陈原子,徐习东.基于并行冗余网络的数字化变电站通信网络构架[J].电力自动化设备,2011,31(1):105-108.CHEN Yuanzi,XU Xidong. Network control system based on OPC middleware technology[J]. Electric Power Automation Equipment,2011,31(1):105-108.
[5]王海柱,蔡泽祥,张延旭,等.提升智能变电站信息流实时性和可靠性的定质交换技术[J].电力自动化设备,2014,34(5):156-162.WANG Haizhu,CAI Zexiang,ZHANG Yanxu,et al. Custom switching technology to improve reliability and real-time performance of information flow in smart substation[J]. Electric Power Automation Equipment,2014,34(5):156-162.
[6]凌光,许伟国,王志亮,等.基于EPON+的高可靠性固定时延网络在智能变电站应用研究[J].电力系统保护与控制,2016,44(14):89-94.LING Guang,XU Weiguo,WANG Zhiliang,et al. Research on communication architecture of smart substation with characteristic of high reliability and fixed latency based on EPON+[J]. Power System Protection and Control,2016,44(14):89-94.
[7]孙海波,金乃正,马平,等.新一代智能变电站通信网络关键技术[J].光通信研究,2017(4):1-3.SUN Haibo,JIN Naizheng,MA Ping,et al. Key technology of communication network for new generation intelligent substation[J].Study on Optical Communications,2017(4):1-3.
[8]汪强,徐小兰,张剑.一种新的智能变电站通信业务安全隔离技术的研究[J].电力系统保护与控制,2015,43(17):139-144.WANG Qiang,XU Xiaolan,ZHANG Jian. A new method of smart substation communication service security isolation technology[J].Power System Protection and Control,2015,43(17):139-144.
[9]鲍兴川,余勇.波分隔离交换机及其在智能变电站通信组网中的应用[J].电力信息与通信技术,2015,13(4):16-21.BAO Xingchuan,YU Yong. WDM isolation switch and its application in smart substation communication network[J]. Electric Power Information and Communication Technology,2015,13(4):16-21.
[10]张纯笑,徐嘉龙,张亮,等.新型智能变电站通信网络时间同步脆弱性分析[J].光通信研究,2017(3):16-19.ZHANG Chunxiao,XU Jialong,ZHANG Liang,et al. Analysis of the time synchronization's vulnerability of new intelligent substation's communication network[J]. Study on Optical Communications,2017(3):16-19.
[11]王玮.变电站共网共口传输实现方法[J].电信科学,2015,31(增刊1):222-226.WANG Wei. Communication method of shared-port and shared-network in substation[J]. Telecommunications Science,2015,31(Supplement 1):222-226.
[12]邹俊雄,黄成巧,张延旭,等.智能变电站通信网络虚拟局域网建模与优化配置方法[J].电力自动化设备,2015,35(8):137-142.ZOU Junxiong,HUANG Chengqiao,ZHANG Yanxu,et al. Modelling and optimization of VLAN for smart substation communication network[J]. Electric Power Automation Equipment,2015,35(8):137-142.
[13]张言苍.智能变电站网络采样同步新技术[J].电力自动化设备,2015,35(8):143-147.ZHANG Yancang. Network sampling synchronization method for smart substation[J]. Electric Power Automation Equipment,2015,35(8):143-147.
[14]黄华勇,游步新,全智,等.通信在线监视分析系统在智能变电站中的应用[J].电力自动化设备,2011,31(4):124-127.HUANG Huayong,YOU Buxin,QUAN Zhi,et al. Application of realtime monitoring and analyzing system in smart substation[J]. Electric Power Automation Equipment,2011,31(4):124-127.
[15]IEC. Communication networks and systems in substation:IEC61850-2004[S]. Geneva,Switzerland:IEC,2004.
[16]郭勇.基于GMPLS的智能无源光网络技术研究[D].上海:上海交通大学,2006.GUO Yong. The study of GMPLS based intelligent passive optical network[D]. Shanghai:Shanghai Jiao Tong University,2006.