SPHSS03 ABB

The distributed control system is written in English as DCS,which is the result of the development of computer technology and automation technology.The continuous increase of the capacity of the unit and the continuous improvement of the parameters have created a broad field for the application of DCS;with the widespread use of the DCS system,it has provided a strong guarantee for the safe and economical operation of the unit.The control method of the unit comprehensively reflects the level of automation.In the early stage,the automation level of thermal engineering was low and the quality of personnel was low.The main method was decentralized on-site operation,and monitoring and operation were scattered on site.This control method is only suitable for low parameters and small capacity.The unit is labor-intensive and has poor safety.

分散控制系统英文编写为DCS，它是计算机技术和自动化技术发展的结果。机组容量不断增大，参数不断提高，为DCS应用创造了广阔天地；随着DCS系统的广泛使用，为机组安全经济运行提供了有力保障。机组的控制方式综合地反映自动化水平的高低，那么早期热工自动化水平低，人员素质低，主要采取分散就地操作方式，监视与操作分散在现场，这种控制方式只适应低参数，小容量的机组，劳动强度大，安全性差。