The invention relates to a variable speed pump piecewise constant control method, which is realized by the following steps: according to the working frequency converter flow section; give different pressure settings for different flow, forming stepped pressure control line; approximate optimal control of pressure; the beneficial effect of the invention is: energy saving and water saving and improve the pump control characteristics, improve the stability of the positive effect of water supply. The utility model has the advantages of simple and effective technique, economy and practicability.
【技术实现步骤摘要】
【技术保护点】
一种水泵变频调速分段恒压控制方法，是通过以下步骤实现的： 依据变频器工作频率进行流量分段； 对不同的流量段给予不同的压力设定值，形成阶梯状压力控制线； 逼近最优化控制压力。
【技术特征摘要】
【专利技术属性】
技术研发人员：马戌寰，
申请(专利权)人：开利泵业集团有限公司，
类型：发明
国别省市：31[中国|上海]
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