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以南京某土壤源水冷多联机系统为研究对象,通过测试其实际运行数据,对水冷多联机机组能效、输配系统能效、空调系统能效进行研究。研究结果表明:冬季制热工况下,水冷多联机机组在部分负荷状态下,其性能随负荷率的增大先增后减,在负荷率为0.4~0.6之间时达到最大值;机组的综合部分负荷性能系数为4.58;输送能效比变化范围为0.067~1.55,空调系统能效比变化范围为2.14~4.7。
Taking a ground source water cooled multi - connection system in Nanjing as the research object, the energy efficiency of the water - cooled multi - unit, the energy efficiency of the transmission and distribution system and the energy efficiency of the air conditioning system were studied by testing the actual operation data. The results show that under the condition of winter heating, under the condition of partial load, the performance of the water-cooled multi-unit increases first and then decreases with the increase of the load, and reaches the maximum value when the load is between 0.4 and 0.6. The coefficient of partial load performance is 4.58, the range of transmission energy efficiency is 0.067-1.55, and the range of energy efficiency of air conditioning system is 2.14-4.7.