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Parametric Laboratory Evaluation of Residential Heat Pump Water Heaters

机译：住宅热泵热水器的参数化实验室评估

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摘要

Three Heat Pump Water Heater (HPWH) units, representing the initial domestic offerings by the major manufacturers, were evaluated using a parametric test matrix. The three units tested vary in: refrigerant used, compressor size, evaporator fan size, amount of onboard electric resistance heat, condenser design, storage tank size, number and type of appliance (control) settings, and other factors that influence performance. The focus of this laboratory testing was the influence of appliance setting and hot water draw pattern on HPWH performance and efficiency, with limited variation of ambient enthalpy (within an environmental chamber), water main temperature, and thermostat setpoint. Additionally, the space conditioning effect of each unit was quantified through extended testing at stable conditions. A range of performance and efficiency was observed for each unit, both above and below results under standardized test metrics. Observations were also made of the manner in which the three HPWHs manage their thermal stores across varied demand, operational conditions, and HPWH system designs.
机译：使用参数测试矩阵对代表主要制造商的国内首批产品的三个热泵热水器（HPWH）单元进行了评估。测试的三个单元在以下方面有所不同：使用的制冷剂，压缩机尺寸，蒸发器风扇尺寸，机载电阻热量，冷凝器设计，储罐尺寸，设备（控制）设置的数量和类型以及影响性能的其他因素。该实验室测试的重点是设备设置和热水抽取方式对HPWH性能和效率的影响，环境焓（在环境室内），主水温和恒温器设定值的变化有限。此外，通过在稳定条件下进行的扩展测试来量化每个单元的空间调节效果。在标准化测试指标下，每个单元的性能和效率范围均高于或低于结果。还观察了三个HPWH在各种需求，运行条件​​和HPWH系统设计中如何管理其热量存储。

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  • 来源
    《ASHRAE Transactions》 |2012年第1期|p.853-871|共19页
  • 作者

    Paul Glanville; Douglas Kosar; Daniel Suchorabski;

  • 作者单位

    Building Energy Effi-ciency, Gas Technology Institute, Des Plaines, IL;

    Building Energy Effi-ciency, Gas Technology Institute, Des Plaines, IL;

    Building Energy Effi-ciency, Gas Technology Institute, Des Plaines, IL;

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