基于PLC與變頻器的恒壓供水節(jié)能技術研究

基于PLC與變頻器的恒壓供水節(jié)能技術研究

摘要: 針對傳統(tǒng)供水方式的缺點, 提出了基于PLC 和變頻器的恒壓供水改造方式. 分析了恒壓供水系統(tǒng)的節(jié)能原理,設計了系統(tǒng)的硬件電路圖, 提出了系統(tǒng)的軟件設計方法, 給出了系統(tǒng)的控制流程圖. 經(jīng)實際運行證明, 改造后的供水系統(tǒng)控制簡單、可靠性高、保護功能完善、節(jié)電效果顯著.
關鍵詞: 恒壓供水; 節(jié)能原理;PLC; 變頻調(diào)速

Abstract :The paper presents the water supply method under constant pressure based on PLC and frequency converter , compared with the shortcomings of traditional water supply. The principle of energy-savingis analyzed and the hardware circuit diagramof the systemis
designed . Moreover , it proposes the software design method as well as the flowchart of the control system. It proves bythe actual operationthat the water supply systemis controlled simply with highreliability , perfect protectionfunctionand significant energy-saving effect .