PID算法在压缩机组转速和空燃比控制中的应用  

The Application of PID Algorit hm in Controls of Rotating Speed and Ai r-Fuel Ratio in Compressor Unit

作　　者：韦荣方[1] 

机构地区：[1]中国石油天然气管道局中原输气公司,山东德州253020

出　　处：《自动化仪表》2002年第4期49-51,共3页Process Automation Instrumentation

摘　　要：简单介绍了用于陕京天然气输气管线压气站美国COOPER公司制造的压缩机组的PLC控制系统的特点和硬件组成。较具体地叙述了机组转速和空燃比的主要影响因素、关系曲线、控制系统构成和PID算法的实现方法。The features and the hardware composition of the PLC cont rol system which has been used for Ameri can COOPER compressor unit of Shaanxi Be ijing natural gas pipeline compression s tation are introduced briefly.The main i nfluence factors of the speed and air-fuel ratio and the relation curves of the unit,the structure and PID algorithm of the system are described concretely.

关 键 词：控制 空燃比 转速 压缩机组 PID控制 可编程控制器 天然气 压气站 

分 类 号：TE978[石油与天然气工程—石油机械设备] TE974