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Application of PLC to variable frequency energy-saving system of water-source heat pump
Author(s): 
Pages: 84-86,100
Year: Issue:  2
Journal: Refrigeration and Air-conditioning

Keyword:  水源热泵节能PLC变频器控制系统;
Abstract: 水源热泵用地下恒温水源代替冷却塔,具有高效节能的特性.但在实际应用中,还应充分考虑主机、冷冻水泵及冷却水泵等高耗能设备的节能问题.本文重点阐述水源热泵系统中冷冻水和冷却水系统的变频节能原理、闭环节能控制方案和控制系统的设计.
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