基于PLC集中三联供控制系统的研究与实现  

Research and Realization of Central Heating Cooling and Supplying Heat Water Of Residential Area Based on PLC

作　　者：王永华 

机构地区：[1]扬州大学电气及自动化工程系,江苏扬州225009

出　　处：《工业控制计算机》2006年第9期50-51,53,共3页Industrial Control Computer

基　　金：扬州市-扬州大学合作基金项目(0412214)

摘　　要：针对城市小区集中三联供系统的监控要求,采用可编程序控制器CP1H(PLC)作为下位机的控制(IPC+PLC系统)方案。三联供的冷冻泵、冷却泵、冷却塔风机采用智能PI变频控制,确保设备低耗运行,提高了电气控制系统运行的可靠性,并取得良好的经济效益效益。Considering the technological requirement of Supervise and control system in central heating,cooling and supplying heat water of some residential area,the scheme to develop the control system （IPC＋PLC）,using CP1H as field controller is put forward.The refrigeration pump and cooling pump and cooling tower fan control are carried by variable-frequency control system with intelligent PI algorithm.the system improves the running reliability of electrical control,and ensures the equipment running in low cost.It is obtained which good economic benefits.

关 键 词：三联供系统 PLC 变频节能 智能PID控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]