连州发电厂DCS系统存在的问题及解决办法

Problems in DCS Systems of Lianzhou Power Plant and Countermeasures

连州发电厂对国产125MW机组的一些DCS控制策略进行了改造,对DCS运行过程中出现的问题进行分析后,改进了系统的控制方案,使其和现场设备的实际状况及运行需要相协调。通过改善和优化人机操作界面,提高了系统的可靠性、可用性,保证了DCS各项功能的正确运行。

The retrofitting of the distributed control system of the China made 125 MW units in Lianzhou Power Plant are presented. Based on analyzing the existing problems, the improved control scheme is implemented. Through the optimization of the manmachine interface, the system dependability and usability are improved too. The DCS functions are generally realized. 