用富士变频器和PID调节器实现循环水的自动恒压控制

分析了水泵运的特点，介绍了一种基于ＰＩＤ调节器和富士变频器的变频调速供水系统。该系统结构简单，运行稳定，节约能源。

Regulation and Control of Automation and Pressure Constant for Circulating Water with Fuji Frequency Inverter and PID Regulator

This article analyzed characteristic of speed regulation operation of water pump,introduced a practical water supply system with variable frequency and speed regulation which was based on PID regulator and Fuji frequency inverter.The system can run steadily and economically with simple construction.;