摘要
介绍了一种基于PLC和变频器的恒压供水控制系统,阐述了系统组成、系统功能、工作原理和安全措施。该控制系统性能稳定可靠,已成功用于某电厂供水系统,取得了恒压供水的效果。
This paper deals with a kind of constant pressure water supply system based on both PLC and frequency changer, including the system structure, functions, working principle and safety measures. The control system is reliable in performance. It has been applied to a power plant successfully and has proved to be effective.
出处
《工业仪表与自动化装置》
2007年第3期54-55,共2页
Industrial Instrumentation & Automation
关键词
变频器
PLC
恒压供水
frequency changer
PLC
constant pressure water supply
