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【关键词】 低环境温度空气源热泵; 标准; 名义制热工况; 采暖; 【英文论文关键词】 Low Environment Temperature Air Source Heat Pump（LET-ASHP）; Standard; Nominal Heating Condition; Heating; 【论文摘要】 作为寒冷地区空调系统冷、热源设备的低环境温度空气源热泵(冷水)机组近年来得到快速发展,迫切需要建立其产品标准,其中名义工况的确定是其首要问题。本文认为,为保持标准的延续性,其名义制冷工况应与GB/T18430保持一致并在此基础上提出了其制热运行时空气侧和用户侧的名义工况确定方法。通过对气象参数的统计分析与传热计算分析给出了具体的建议方案,专为商用和户用低环境温度空气源热泵(冷水)机组的标准制定提供参考。 【英文论文摘要】 Low environment temperature air source heat pump(water chilling)packages have been rapidly developed as cool- ing and heating sources of air-conditioning system for cold region recent years.The product standard is needed urgently,in which the defining problem of nominal conditions lies first.To maintain the continuity of standards,this paper suggests nominal cooling conditions of new standard be kept as GB/T18430,based on which,defining method of nominal heating conditions for both air- side and user-side i...