偶合器给水泵出口恒压控制系统的节能分析孙旭光，马安昌，陆肇达（黑龙江矿业学院）１前言偶合器式给水泵出口恒压闭环控制是当前高楼居民供水采用的一项新的节能技术。它一经问世便引起国内外给水行业的普遍重视。该项技术与采用变频方式控制泵出口恒压供水相比具有投资... Energy saving analysis of the constant pressure control system for the outlet of the coupling water pump SUN Xu-guang, MA An-chang, LU Zhaoda (Heilongjiang Institute of Mining and Technology) 1 Introduction Coupled water supply pump outlet constant pressure closed-loop control is a new energy-saving technology adopted by current residents. As soon as it came out, it attracted widespread attention in the water supply industry at home and abroad. The technology and the use of variable frequency pump outlet control of constant pressure compared to water ...