摘要
介绍了可编程控制器和变频器等组成恒压自动供水系统的工作原理，提出该系统具有结构简单，运行可靠，节水、节电等特点。
The paper analyses the principle of automatic, constant - pressure water - supply system controlled byprogrammable controller and frequency converter,which being simple, stable and economizing water & electric as well.
出处
《青海科技》
1999年第1期42-43,共2页
Qinghai Science and Technology
关键词
变频器
可编程控制器
恒压供水
自动供水系统
Frequency Converter Programmale Controller Constant-pressure Water-supply
