智能变电站过程层网络监测与故障定位系统设计与实现
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摘要
针对现有的网络监测系统大都无法支持过程层网络拓扑结构和虚连接回路显示的问题,文中提出一种基于过程层交换机的网络监测在线系统。该系统包含主机监测系统和过程层交换机。主机监测系统通过解析变电站配置文件(SCD)获取预置的过程层网络拓扑结构和虚连接逻辑回路;过程层交换机的利用访问控制列表(ACL)规则捕获和解析一定的面向通用对象的变电站事件(GOOSE)报文和取样值(SV)报文,获取连接在交换机的设备信息,从而使主机监测系统获得实际的过程层网络拓扑结构和虚连接物理回路。对比预置和实际的网络拓扑结构和虚连接回路,实现了对过程层网络的实时监测和故障定位。在实际应用中,该系统协助运维人员实时地监测网络运行状态和快速地定位故障,提高了电力系统自动化运维的管理水平。
In order to solve the problem that most of the existing network monitoring system can not support the display of process layer network topology and virtual connection circuit, this paper proposes a network monitoring online system based on the process layer switch. The system includes the host monitoring system and the process layer switch. The host monitoring system obtains the preset process level network topology and virtual connection logic circuit by parsing the SCD file. The process layer switch uses the ACL rule to capture and parse certain GOOSE and SV packets to obtain the device information connected to the switch. Then the host monitoring system obtains the actual process level network topology and the virtual connection physical circuit.Real-time monitoring and fault location of the process layer network are realized by comparing preset and catual network topology and virtual link loop. In practical applications, the system assists power system operation and maintenance personnel in real-time monitoring of network operation status and fault location, and improves the management level of power system automation operation and maintenance.
In order to solve the problem that most of the existing network monitoring system can not support the display of process layer network topology and virtual connection circuit, this paper proposes a network monitoring online system based on the process layer switch. The system includes the host monitoring system and the process layer switch. The host monitoring system obtains the preset process level network topology and virtual connection logic circuit by parsing the SCD file. The process layer switch uses the ACL rule to capture and parse certain GOOSE and SV packets to obtain the device information connected to the switch. Then the host monitoring system obtains the actual process level network topology and the virtual connection physical circuit.Real-time monitoring and fault location of the process layer network are realized by comparing preset and catual network topology and virtual link loop. In practical applications, the system assists power system operation and maintenance personnel in real-time monitoring of network operation status and fault location, and improves the management level of power system automation operation and maintenance.
引文
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[2]张沛超,高翔.数字化变电站系统结构[J].电网技术,2006,30(24):73-77.ZHANG Peichao,GAO Xiang.System architecture of digitized substation[J].Power System Technology,2006,30(24):73-77.
[3]阴玉婷,杨明玉,郑永康.智能变电站网络化二次系统及其在线监测研究综述[J].电气自动化,2014,36(1):1-4.YIN Yuting,YANG Mingyu,ZHENG Yongkang.Overview of networked secondary system of intelligent substation and is online monitoring[J].Electrical Automation,2014,36(1):1-4.
[4]朱林,王鹏远,石东源.智能变电站通信网络状态监测信息模型及配置描述[J].电力系统自动化,2013,37(11):87-92.ZHU Lin,WANG Pengyuan,SHI Dongyuan.Status monitoring information model and configuration description of communication network in smart substations[J].Automation of Electric Power Systems,2013,37(11):87-92.
[5]王德文,王艳,邸剑.智能变电站状态监测系统的设计方案[J].电力系统自动化,2011,35(18):51-56.WANG Dewen,WANG Yan,DI Jian.Design scheme of condition monitoring system for smart substation[J].Automation of E-lectric Power Systems,2011,35(18):51-56.
[6]王治民,陈炯聪,任雁铭,等.网络通信记录分析系统在数字化变电站中的应用[J].电力系统自动化,2010,34(14):92-95.WANG Zhimin,CHEN Jiongcong,REN Yanming,et al.Application of network communication recorder and analyzer in digital substations[J].Automation of Electric Power Systems,2010,34(14):92-95.
[7]张巧霞,贾华伟,叶海明,等.智能变电站虚拟二次回路监视方案设计及应用[J].电力系统保护与控制,2015,43(10):123-128.ZHANG Qiaoxia,JIA Huawei,YE Haiming,et al.Design and application of virtual secondary circuit monitoring in smart substation[J].Power System Protection and Control,2015,43(10):123-128.
[8]高翔,杨漪俊,姜健宁,等.基于SCD的二次回路监测主要技术方案介绍与分析[J].电力系统保护与控制,2014,42(15):149-154.GAO Xiang,YANG Yijun,JIANG Jianning,et al.Analysis of secondary circuit monitoring methods based on SCD[J].Power System Protection and Control,2014,42(15):149-154.
[9]高吉普,张沛超,何旭,等.智能变电站保护系统可靠性的自动分析方法[J].电力系统保护与控制,2014,42(15):107-112.GAO Jipu,ZHANG Peichao,HE Xu,et al.An automatic reliability analysis method for protection systems in smart substations[J].Power System Protection and Control,2014,42(15):107-112.
[10]ZENG W,WANG Y.Design and Implementation of Server Monitoring System Based on SNMP[C]∥2009 International Joint Conference on Artificial Intelligence(JCAI).IEEE Computer Society,2009.
[11]王计林,黄晓雨.智能变电站信息提取的研究与实现[J].电力信息与通信技术,2014,12(1):17-21.WANG Jilin,HUANG Xiaoyu.Research on information extraction in intelligent substations and its implementation[J].Electric Power ICT,2014,12(1):17-21.
[12]刘筱萍,杨冰,王浩.变电站配置工具中SCL文件解析的分析与实现[J].电网技术,2006,30(S2):463-466.LIU Xiaoping,YANG Bin,WANG Hao.Analysis and implementation of parse for SCL File in substation configuration tool[J].Power System Technology,2006,30(S2):463-466.
[13]LIY L,LI G.An introduction to 2nd edition of IEC 61850 and prospects of its application in smart grid[J].Power System Technology,2010,34(4):11-16.
[14]MENG X,KANG J S,MIN L U.Design and implementation of IP QoS based on BCM5645[J].Radio Engineering,2010.
[15]SULTAN R,DUNBAR L,YONG L.Method of preventing transport leaks in hybrid swithing networks by extension of the link layer discovery protocol(LLDP)[J].2008.
[16]王松,黄晓明.GOOSE报文过滤方法研究[J].电力系统自动化,2008,32(19):54-57.WANG Song,HUANG Xiaoming.Filtering methods of goose messages[J].Automation of Electric Power Systems,2008,32(19):54-57.