基于图形化编程的HVDC以太网103双网通信设计

Design of Ethernet 103 dual network communication in HVDC based on graphical programming

为了实现高压直流输电(HVDC)控制保护系统与保护信息子站之间快速可靠的数据交互,提出一种基于图形化编程的HVDC以太网103双网通信设计方法。该方法针对IEC 60870-5-103定义的串口103通信进行扩展,提出以太网103双网通信方案,提高通信实时性和可靠性;此外,该方法将应用程序与底层通信处理程序相分离,采用IEC 61131图形化设计语言,开发出高度封装的底层通信处理模块与用户功能模块相融合的图形化编程方法,软件编程简单高效,系统运行及调试信息可在线监测。锡泰和扎青等HVDC工程的实验数据表明,该方法具有可靠性高,开发进度快,运行维护方便的特点,对于实现控制保护系统与保护信息子站之间快速可靠的数据交互具有重要的应用价值。

In order to achieve the fast and reliable data interaction between HVDC control and protection system and protect information substation,an Ethernet 103 dual network communication method in HVDC based on graphical programming is proposed.The method extends the serial port 103 communication defined by IEC 60870-5-103 standard,and proposes the Ethernet 103 dual network communication scheme to improve the real-time and reliability of communication.In addition,the method separates the application program from the underlying communication procedures,and uses the standard IEC 61131 graphical design language to develop a graphical programming method for the integration of highly encapsulated underlying communication processing module and user function module,the software programming is easy and efficient,system running and debugging information can be on-line monitoring.The experimental data of project such as Xilingol League-Taizhou project and Zhalute-Qingzhou project shows that the method has characteristics of high reliability,fast development progress,convenient operation and maintenance.Also it has an important application value to achieve the fast and reliable data interaction between control and protection system and protect information substation.