依靠现场总线提高火电站控制系统可靠性

The Improvement of Working Reliability of Control System in Power Plant Based on Fieldbus

介绍了目前广泛应用于火电站控制系统的分散控制系统(DCS)与可编程逻辑控制器(PLC)的体系结构,分析了DCS与PLC在可靠性方面的不足。介绍了现场总线及现场总线控制系统(FCS),结合其体系结构,论述了FCS在可靠性方面的优越性。分析了现场总线在火电站控制系统的应用现状和趋势。

The configuration and system of DCS and PLC are presented,which are used by control system in power plant widely. The shortage of DCS and PLC on reliability is analyzed. The fieldbus and fieldbus control system are presented. The advantage of FCS on reliability is discussed. The actuality and trend of fieldbus are analyzed,and are used by control system in power plant.