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介绍了变频离心式冷水机组节能的原理及适用条件。基于冷水机组的全年耗电量是冷水机组在不同运行时段内的机组能效、机组负荷与运行时间乘积之和,分析了1台变频离心式冷水机组在单台和多台机组中应用的节电效果。
The principle and applicable conditions of energy saving of variable frequency centrifugal chiller are introduced. Based on the chiller’s annual power consumption, it is the sum of the unit energy efficiency, unit load and operation time of chillers in different operation periods. The application of one centrifugal chiller in one unit and multiple units is analyzed Electric effect.