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介绍了火电机组监控系统中采用智能化可编程控制器的给水控制回路、主汽温控制回路、燃烧控制回路的设计与实现。各控制器均可看作挂接在监控网络上的一个前端 ,可通过上位机进行操作 ,也可脱网运行。控制系统结构简单。运行结果证明系统工作可靠 ,性能良好。
The design and realization of feed water control loop, main steam temperature control loop and combustion control loop using intelligent programmable logic controller in thermal power unit monitoring system are introduced. Each controller can be seen as a front-end attached to the monitoring network, which can be operated by the host computer or run offline. Control system structure is simple. The results show that the system is reliable and has good performance.