Abstract
An electric boiler assisted air source heat pump heating system is used in a residential heat exchange station in Shijiazhuang for heating. However, in the actual operation process, there is a problem that the heating demand cannot be met. This paper studies the heating system. The results show that the problems are mainly manifested in two aspects: on the one hand, the operation strategy of heat exchange station is unreasonable; On the other hand, because of the close arrangement of heat pump units, the array cold island effect is produced, which affects the heating operation. Put forward a reasonable operation scheme for two aspects, and provide a reference case for central heating operation of air source heat pump in northern China.
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