PLC及变频调速技术在恒压供水系统中的应用

Application of PLC and frequency conversion technology in pressure water supply system

采用PLC与变频调速技术对小区恒压供水水泵组进行控制的系统有手动、自动和消防三种运行方式。依据小区用水量的不同,利用变频技术、PLC及PID控制技术进行智能供水控制,达到水压恒定、操作方便、运行可靠、节约电能的效果,具有极好的经济和社会效益。

The system which control constant pressure water supply pump group using PLC and frequency conversion technology for residential has manual, auto and fire three operation modes. According to the different water district, the use of inverter technology, PLC and PID control technology for intelligent water control, to achieve constant pressure, easy to operate, reliable, energy saving effect. It has excellent economic and social significance.