21空调制冷机组的选择与分析夏国欣陈汝东(同济大学上海)【摘要】本文着重分析了负荷变化特点及制冷机组在部分负荷下的运行情况,提出了以这两者为首要考虑点进行机组选型 的思路。【关键词】负荷变化部分负荷机组选型SELECTION AND ANALYSIS OF AIR-CONDITIONINGREFRIGERATING UNIT【Abstract】 This article focuses on the feature of load variation and the state of refrigeration unit when runs under part - load condition, and gives a way to the selection of refrigerating unit, in which the two formers are thought as the most important factors. 【Keywords 】load variation part - load sel