空调冷水系统的沿革与变流量一次泵水系统的实践
Evolution of air conditioning chilled water systems and practice of variable primary flow chilled water systems
摘要：
变流量一次泵水系统是一种节能的空调水系统。变流量一次泵技术是基于冷水机组控制技术进步发展起来的创新技术。概述了空调水系统的演变、发展与存在的问题，详细阐述了变流量一次泵水系统发展的技术背景、难点，优缺点和一些关键问题，介绍了该系统在美国的研究与工程应用现状，总结了该系统的设计要点与运行指南，提出了四点看法。
Abstract：
Variable primary flow chilled water system is a system with energy saving. Variable primary flow chilled water technology is an innovation technology based on advanced control technology of chillers. Outlines evolution, development and problems of air conditioning chilled water systems, and detailedly discusses technical background, difficulties, merits and demerits, and some problems in development of variable primary flow chilled water systems. Presents the study and engineering application of the system, and summarizes design key points and operation guides for the system. Presents four views in person.
Keywords:variable primary flow chilled water system, constant primary flow chilled water system, constant primary/ variable secondary pump water system, energy saving