基于PLC的新型变频调速恒压消防生活供水系统  

New Advanced Fire-Water and Drinking Water Supply System Based on PLC

作　　者：李文华[1] 张洁[2] 

机构地区：[1]天津市市政工程设计研究院,天津300051 [2]天津化工厂设计院,天津300480

出　　处：《电机与控制应用》2009年第2期10-14,共5页Electric machines & control application

摘　　要：介绍了一种先进的变频调速消防、生活共用型供水系统。系统采用基于可编程逻辑控制器(PLC)控制的变频调速方式,自动调节水泵电机转速及加、减速,自动完成各泵的轮休、泵组软起动及无冲击切换,使水压平稳过渡,延长设备使用寿命,提高供水质量,降低能耗。One kind of new advanced fire-water and drinking water supply system has been introduced. It is based on PLC control system, and constant pressure of variable frequency speed regulation technology system. The major characteristic and principle of the system has been introduced. The system is high efficiency and low consumption .

关 键 词：水泵 变频器 恒压控制 节能效果 

分 类 号：TM921.51[电气工程—电力电子与电力传动]