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详细介绍了系统实验台,并利用该实验台对比分析了冷却塔VRF系统和土壤源VRF系统夏季制冷工况的节能性,得到了两者在夏季制冷运行时部分负荷率下机组EER和系统EER的实际变化规律。冷却塔运行工况下系统EER变化范围为1.19～3.63,地埋管运行工况下系统EER变化范围为1.12～5.4,为复合式土壤源VRF系统的研究和运行策略提供了必要的实验依据。
The experimental bench of the system is introduced in detail. The energy saving of summer cooling condition in cooling tower VRF system and soil source VRF system is comparatively analyzed by the experimental bench, and the EER and EER of the two systems are obtained under partial load in summer cooling operation. The actual changes in the law. The EER range of the cooling tower is 1.19 ~ 3.63 and the EER range of the pipeline is 1.12 ~ 5.4. It provides the necessary experimental basis for the research and operation strategy of the composite ground source VRF system.