RESEARCH ON OPERATION OPTIMIZATION OF PHASE CHANGE THERMAL STORAGE PARALLEL SOLAR ASSISTED HEAT PUMP HEATING SYSTEM BASED ON CLUSTER ANALYSIS

Dai Zeyu, Zhang Xuedan

Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (7) : 716-725.

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (7) : 716-725. DOI: 10.19912/j.0254-0096.tynxb.2025-0406

RESEARCH ON OPERATION OPTIMIZATION OF PHASE CHANGE THERMAL STORAGE PARALLEL SOLAR ASSISTED HEAT PUMP HEATING SYSTEM BASED ON CLUSTER ANALYSIS

  • Dai Zeyu, Zhang Xuedan
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Abstract

To address the issue of significant variability in the performance of a phase change thermal storage parallel solar assisted heat pump heating system under varying meteorological conditions, a cluster analysis method is proposed to classify the meteorological data. Two primary indicators, solar irradiation and outdoor temperature, along with five secondary indicators, were selected. Using k-means cluster analysis, 183 meteorological days in Harbin during the heating season were classified into five categories, and the heterogeneity of the clustering results was examined based on the Q-test using stratified analysis. Furthermore, typical days were selected for each category to analyze the impact of air source heat pump operation time on total system input power, and the optimal turn-on time for the air source heat pump was determined for each typical day with the lowest total system input power as the optimization objective, so as to obtain the optimal operation strategy of the system for the whole heating season.

Key words

solar collectors / air source heat pumps / k-means clustering / heterogeneity test / typical day

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Dai Zeyu, Zhang Xuedan. RESEARCH ON OPERATION OPTIMIZATION OF PHASE CHANGE THERMAL STORAGE PARALLEL SOLAR ASSISTED HEAT PUMP HEATING SYSTEM BASED ON CLUSTER ANALYSIS[J]. Acta Energiae Solaris Sinica. 2026, 47(7): 716-725 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0406

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