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          • 暖通空调杂志社>期刊目次>2019年>第4期

            基于实测数据的办公建筑多联机加班运行能耗研究

            Overtime operating energy consumption analysis of VRF system in office buildings based on measured data

            赵德印[1] [2] 张旭[2] 徐强[1]
            [1]上海市建筑科学研究院 [2]同济大学

            摘要:

            多联机具有良好的个性化调节特性,能够满足加班工作期间的空调需求。以上海5栋办公建筑能耗数据为基础,利用数据统计和软件模拟方法,对多联机加班运行能耗进行了研究。结果表明,在设定的9种季节能效比组合场景下,多联机加班运行能耗占总能耗的比例基本保持不变,平均值为35.6%。与统计的加班运行能耗比例数据相比,模拟值最大偏差为13.8%。以统计部分负荷率为基础模拟多联机运行的方法能够反映其实际能耗特性。在有加班需求的办公建筑中,建议优先选用多联机。

            关键词:多联机,加班运行能耗,办公建筑,夏热冬冷地区,模拟,实测数据

            Abstract:

            Variable refrigerant flow (VRF) system has a good characteristic of individual control which can meet the demand of air conditioning during overtime. Studies the overtime energy consumption of VRF system with data statistics and software simulation based on field data of office buildings in Shanghai. The results show that overtime operating energy consumption ratio is almost the same with the average value of 35.6% under nine cases with different values of SEER (seasonal energy efficiency ratio) and HSPF (heating seasonal performance factor) during simulation. The maximum deviation between simulation and measured data is 13.8%. The simulating method based on the statistical PLR(partial load ratio) can reflect the actual performance. Suggests VRF system for overtime working demand in office buildings.

            Keywords:variablerefrigerantflow(VRF)system,overtimeoperatingenergyconsumption,officebuilding,hotsummerandcoldwinterzone,simulation,measureddata

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