| 给水泵变频控制系统的改造 |
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| 引用本文： | 华志刚,吕剑虹,黄杨云.给水泵变频控制系统的改造[J].电气传动,2004,34(4):52-53. |
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| 作者姓名： | 华志刚 吕剑虹 黄杨云 |
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| 作者单位： | 东南大学;清华泰豪科技股份有限公司 |
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| 摘 要： | 介绍了一套采用PLC和变频器进行压力调节的多台给水泵变频控制方案.控制系统通过PLC调节变频器的输出,自动控制给水泵投人的台数和电机转速,实现闭环自动调节恒压供水.运行结果表明,该控制系统具有压力稳定、操作简便、工作可靠等特点.
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| 关 键 词： | PLC 控制系统 变频器 给水泵 |
Reconstruction of the Feed Water-pump System Controled by VVVF |
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| Abstract: | This paper introduces a project of multiple feed water pump controlled by VVVF and PLC. The control system regulates the output of VVVF by PLC, then controls the number of feed water pump and motor rotate speed automatically, achieves automatic regulating supply water in constant pressure by closed loop. The result of running indicates the control system has lots of advantages of pressure constant, simple operation and operation credibility. |
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| Keywords: | PLC |
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