CAJ | 학술논문

　　基于PLC控制的恒压供水系统由变频器、PLC组成的控制系统，调节泵的水流输出量组成。此系统由三台水泵并联组成电动机泵组，加之以工频电网或变频器供电，电动机泵组的运行速度和切换频率依据系统出口水压力及流量大小的变化而自动调节，来保障系统的最佳运行状态和供水的及时安全性。
　　기우PLC공제적항압공수계통유변빈기、PLC조성적공제계통，조절빙적수류수출량조성。차계통유삼태수빙병련조성전동궤빙조，가지이공빈전망혹변빈기공전，전동궤빙조적운행속도화절환빈솔의거계통출구수압력급류량대소적변화이자동조절，래보장계통적최가운행상태화공수적급시안전성。
Constant pressure water supply system based on PLC control of frequency converter. PLC control system, adjusts the output flow of the pump. This system is composed of three pumps in parallel motor pump group, combined with the grid to power frequency or frequency inverter power supply, motor pumps and running speed of switching frequency based on the system the size of the outlet water pressure and flow change, the automatic adjustment, to protect the best running status of system and water supply security in a timely manner.