基于嵌入式以太网的智能变电站通信网络状态监测  

Status Monitoring of Intelligent Substation Communication Network Based on Embedded Ethernet

作　　者：王维维[1] WANG Weiwei(Fujian College of Water Conservancy and Electric Power,Yong an Fujian 366000,China)

机构地区：[1]福建水利电力职业技术学院,福建永安366000

出　　处：《北京石油化工学院学报》2023年第2期49-53,共5页Journal of Beijing Institute of Petrochemical Technology

摘　　要：在智能变电站中,通信网络发生故障会影响到变电站的安全平稳运行,为此设计一种基于嵌入式以太网的智能变电站通信网络状态监测平台。平台由监测网络模块、报文捕获与解析模块、监测设备模块、状态监测软件模块构成。基于嵌入式以太网设计监测网络模块,模块由软定时器、网卡硬件驱动等构成。在报文捕获与解析模块中,选用Libpcap作为数据包捕获库,分别实施3种报文的解析。在监测设备模块中,使用的监测设备包括通讯分析仪与通讯分析监听装置。使用支持向量数据描述算法实施通信网络状态的监测,完成状态监测软件模块的设计。平台测试结果表明,平台能够实现3种报文的报文检测、通信网络状态实时监测、丢包率与链路利用率的监测,具有较好的效果。In the intelligent substation,the failure of communication network will affect the safe and stable operation of the substation.Therefore,an intelligent substation communication network status monitoring platform based on embedded Ethernet is designed.The platform is composed of monitoring network module,message capture and analysis module,monitoring equipment module and status monitoring software module.The monitoring network module is designed based on embedded Ethernet,which is composed of soft timer,network card hardware driver,etc.In the message capture and analysis module,Libpcap is selected as the data packet capture library to implement the analysis of three kinds of messages.In the monitoring equipment module,the monitoring equipment used includes communication analyzer and communication analysis monitoring device.The support vector data description algorithm is used to monitor the status of the communication network,and the design of the status monitoring software module is completed.The test results of the test design platform show that the platform can achieve packet detection of three kinds of messages,real-time monitoring of communication network status,and monitoring of packet loss rate and link utilization rate,with good results.

关 键 词：嵌入式以太网 通讯分析仪 软时钟 智能变电站 LIBPCAP 通信网络状态监测 

分 类 号：TM732[电气工程—电力系统及自动化]