串级调节系统在大屯发电厂DCS控制中的应用分析

摘要

为提高控制系统的可靠性,针对大屯发电厂现有机组的串级调节系统,重点介绍其工作原理,并分析锅炉汽包水位控制和主蒸汽温度控制的应用情况。串级调节系统的应用提高了系统控制质量和工作频率,保证发电设备的安全稳定运行,节约了发电成本。%In order to improve the reliability of control system,the working principle of cascade regulation is introduced in view of its system of existing units at Datun power plant,and emphasis analyzes the application situation of boiler steam bag water level co