某超低能耗示范建筑被作为示例，并且该示范建筑地源热泵系统夏季运行的数据

Model building is a ultra-low power as an example, summer operation and construction of the exemplary data of ground source heat pump system is incorporated, the ground source heat pump system is analyzed for the return water temperature, and a small unit COP value problem and propose solutions; <br><br>of the operating data accumulated during the test refrigerant is about 54650.8kW · h; pre-ground source heat pump for the return water temperature of about 15 oC, COP value between 2.5 and 3.75 units, for solving the problem after the return water temperature in 2 ~ 4 oC about, COP value between 4.0 and 5.0 units. <br><br>Based on this test run, the reference is to provide reasonable ground source heat pump to run ultra-low energy buildings. <br>[Keywords] ultra-low power architecture; ground source heat pump; energy consumption; COP value; Analysis

某超低能耗示范建筑被作为示例，并且该示范建筑地源热泵系统夏季运行的数据被结合，分析了地源热泵系统供回水温差大、机组COP值小的问题并提出解决方案；<br><br>根据运行数据，测试期间累计制冷量约为54650.8kW·h；前期地源热泵供回水温差在15 oC左右，机组COP值在2.5~3.75之间，问题解决后的供回水温差在2~4 oC左右，机组COP值在4.0~5.0之间。<br><br>基于本次运行测试分析，参考被向超低能耗建筑中的地源热泵的合理运行提供。 <br>[关键词] 超低能耗建筑；地源热泵 ；能耗；COP值；问题分析

An ultra-low energy consumption demonstration building is taken as an example, and the data of ground source heat pump system operation in summer are combined to analyze the problems of large supply and return water temperature difference and small unit COP value of ground source heat pump system, and propose solutions;<br>According to the operation data, the cumulative cooling capacity during the test period is about 54650.8kw · h; in the early stage, the water temperature difference between the supply and return of the ground source heat pump is about 15oC, and the COP value of the unit is between 2.5 and 3.75. After the problem is solved, the water temperature difference between the supply and return is about 2 to 4oC, and the COP value of the unit is between 4.0 and 5.0.<br>Based on the operation test analysis, reference is provided to the reasonable operation of ground source heat pump in ultra-low energy consumption buildings.<br>[Key words] ultra low energy consumption building; ground source heat pump; energy consumption; COP value; problem analysis