RESEARCH ON OPERATION REGULATION OF SOLAR-AIR SOURCE HEAT PUMP HEATING SYSTEM BASED ON HEAT CAPACITY IDENTIFICATION

Yu Haoyang; Wang Xi; Hou Hongjuan; Xu Baoping

doi:10.19912/j.0254-0096.tynxb.2024-1648

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (1) : 192-201. DOI: 10.19912/j.0254-0096.tynxb.2024-1648

RESEARCH ON OPERATION REGULATION OF SOLAR-AIR SOURCE HEAT PUMP HEATING SYSTEM BASED ON HEAT CAPACITY IDENTIFICATION

Yu Haoyang¹, Wang Xi¹, Hou Hongjuan², Xu Baoping¹

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Abstract

The paper proposed a parameter identification method driven by mechanism and data, which established the equivalent circuit model of building thermal parameters. The beluga algorithm was used to minimize the mean absolute error （MAE） between the simulated temperature of the model and the measured temperature as the objective function to carry out the heat capacity identification, which was verified through experiments. On this basis, a case study of an office building in Beijing is carried out. Based on the building heat capacity identification results, the energy-saving potential of the system and the level of photovoltaic accommodation can be fully tapped through the variable load operation and control of the heat pump. Compared with the initial load, the total cost of electricity after load optimization was reduced by 10.9%, and the photovoltaic accommodation rate was increased by 9.97%.

Key words

parameter estimation / thermal capacity / solar energy / demand response / beluga whale algorithm / operation adjustment

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Yu Haoyang, Wang Xi, Hou Hongjuan, Xu Baoping. RESEARCH ON OPERATION REGULATION OF SOLAR-AIR SOURCE HEAT PUMP HEATING SYSTEM BASED ON HEAT CAPACITY IDENTIFICATION[J]. Acta Energiae Solaris Sinica. 2026, 47(1): 192-201 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1648

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