Abstract
Aimed at the instable pressure of water supply, poor reliability and security problems of the water supply system in high-rise building, this paper adopts frequency conversion and constant pressure water supply technology to design the water supply system with no tower under constant pressure in high-rise building. The water supply system, with PLC as the control center, uses sensor technology and digital PID control to realize constant pressure water supply. Application results show that the water supply system has the characteristics of reliable running, simple operation, saving energy and reducing consumption.
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