变电站现场设备通信的Lon Works实现

Utilizing a LonWorks network for communication among the equipments in substation

针对现有变电站内二次设备间串行通信存在的问题及变电站综合自动化发展的要求,介绍了采用基于LonWorks现场总线的变电站二次设备现场及与站控计算机间通信的实现方案。运用现场总线技术代替传统的串行通信,不但提高了各设备间的通信速率,而且使系统可靠、灵活、易于扩展。运行结果表明,采用该技术后现场各设备间通信状况有了显著的改善。

Aiming at the present communication problems among th e equipments and the requirement of integrated automation in substation,this pap er introduces the implementation scheme of communication among the equipments an d supervised computers adopting LonWorksbased field bus technology.The LonWork s technology is substituted for traditional serial communication in substation,w hich not only improves the communication speed of equipments but also makes the substation system more reliable,flexible and expandable.The operation results in substation reveal the distinct improvements of communication status in substati on.