From this paper, a new optimized method and its program in the designing chilled water system were presented, and a scheme to convert a constant flow system to variable flow system was also brought forward.
通过本文的研究，提出了一种新的空调冷水系统最优化设计方法，并编制了计算软件；提出了将定水量系统改造为变水量系统的方案。
参考来源 - 空调定水量系统改造为变水量系统的可行性研究Nowadays Primary-secondary variable water volume system is the most popular air conditioning water system in large high-rise buildings or Multi-functional building groups.
目前二次泵变水量系统是在大型高层民用建筑或多功能建筑群中应用最为广泛的一种中央空调冷冻水系统。
参考来源 - 中央空调水系统优化节能控制·2,447,543篇论文数据，部分数据来源于NoteExpress
从节能的角度，阐述了变频技术在二次泵变水量系统中的应用，对变频水泵的能耗进行了分析。
From the viewpoint of energy saving, the application of variable frequency technology in the secondary pump system was expounded and the energy consumption of variable frequency pump was analyzed.
但是变水量空调系统具有多变量、强耦合、非线性、时变的特点，其运行和管理相对于定水量系统难度大些。
However since VWV system is multivariable, strongly coupled, nonlinear and time variant, its design performance and management are more difficult than constant flow chilled water volume system's.
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