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摘要 介绍了空调冷水一次泵变流量系统的工作原理、组成、优点及适用性。阐述了冷水机组的选择、冷水机组的启停控制、冷水泵的选择及控制、旁通管及旁通控制阀的配置、压差及流量传感器的选择等5个方面的设计要点。 关键词 一次泵 变流量系统 适用性 Discussion on the design of variable primary flow chilled water systems By Yu Xiaoming，Zhao Jianbo，Shi Ying, Li Xiangdong and Liu Qingtang Abstract Presents the operation principle, composition, advantages and applicability of the system. Expounds the design points from five aspects, including the chiller unit selection，chiller unit sequencing，chilled water pump selection and control，bypass pipe and valve configuration，pressure-drop and flow sensor selection. Keywords primary pump，variable flow system，applicability