| 基于三菱可编程逻辑控制器与变频器的恒压供水控制系统设计 |
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| 引用本文： | 冯小玲,罗锋华,房驰. 基于三菱可编程逻辑控制器与变频器的恒压供水控制系统设计[J]. 电机与控制应用, 2011, 38(6) |
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| 作者姓名： | 冯小玲 罗锋华 房驰 |
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| 作者单位： | 江西现代职业技术学院,江西南昌,330095 |
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| 摘 要： | 用可编程逻辑控制器(PLC)与变频器控制的高楼恒压供水系统,采用PLC进行逻辑控制、变频器进行压力调节.PLC与变频器作为系统控制的核心部件,时刻跟踪管内压力与给定压力的偏差变化,经变频器内部PID运算,通过PLC控制变频与工频切换,自动控制水泵投入的台数和电机转速,实现闭环自动调节恒压变量供水,在保持恒压下,达到控制流量的目的.
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| 关 键 词： | 可编程逻辑控制器 变频调速 恒压供水 |
Design of Constant Pressure Water Supply Control System Based on Mitsubishi Programmable Logic Controller and Inverter |
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| FENG Xiao-ling,LUO Feng-hua,FANG Chi. Design of Constant Pressure Water Supply Control System Based on Mitsubishi Programmable Logic Controller and Inverter[J]. Electric Machines & Control Application, 2011, 38(6) |
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| Authors: | FENG Xiao-ling LUO Feng-hua FANG Chi |
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| Affiliation: | FENG Xiao-ling,LUO Feng-hua,FANG Chi(Jiangxi Modern Polytechnic College,Nanchang 330095,China) |
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| Abstract: | With programmable logic controller(PLC) and inverter control constant pressure water supply system,high-rise buildings,the use of PLC,the inverter for pressure regulation.PLC and inverter as a core part of the system,keeps track of the tube pressure and the deviation of a given change in pressure,the drive internal PID operation,through the PLC control frequency and the frequency switching,auto-control pump station into the number and the motor speed to achieve closed loop automatically adjusts the constant... |
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| Keywords: | programmable logic controller(PLC) variable frequency speed regulation constant pressure water supply |
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