STUDY ON ELECTRICITY STORAGE CAPACITY ADAPTATION BASED ON PHOTOVOLTAIC POWER GENERATION AND ELECTRICITY CONSUMPTION CHARACTERISTICS OF A RURAL RESIDENTIAL BUILDING

Hu Wenju; Zhao Yixuan; Cao Jian; Liang Ye; Zhang Haoyang

doi:10.19912/j.0254-0096.tynxb.2024-1989

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (3) : 697-705. DOI: 10.19912/j.0254-0096.tynxb.2024-1989

STUDY ON ELECTRICITY STORAGE CAPACITY ADAPTATION BASED ON PHOTOVOLTAIC POWER GENERATION AND ELECTRICITY CONSUMPTION CHARACTERISTICS OF A RURAL RESIDENTIAL BUILDING

Hu Wenju^1,2, Zhao Yixuan¹, Cao Jian¹, Liang Ye¹, Zhang Haoyang¹

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Abstract

The characteristics of photovoltaic power generation and residential electricity consumption in a rural residential building installedwith photovoltaics in Beijing were studied, and the adaptation of photovoltaic power storage capacity with the objective of improving the contribution rate and self-consumption rate of photovoltaic power was analyzed. The results indicate that the electricity consumption characteristics of rural residential buildings are not only seasonal but also relateds to working days and non-working days, which means that the electricity consumption characteristics are closely related to residents’production and living behavior patterns. When the air source heat pump（ASHP） is used for heating, the proportion of heating electricity consumption is relatively high, reaching 43.2% of the total electricity consumption. The lack of coordination between photovoltaic power generation and residential electricity consumption in terms of time results in low contribution rate and self-consumption rate of photovoltaic power. The annual contribution rate of photovoltaic power, when the centralized heating and ASHP heating are used, are only 52.8% and 36.6%, respectively, and the self-consumption rate is only 33.2% and 38.5%, respectively. When electricity storage is used, the self-consumption rate of photovoltaic power has been increased to about 62.4% and 64.9% respectively, and the photovoltaic contribution rate has been increased to about 99.5% and 61.7% respectively. When the photovoltaic area is fixed, increasing the electricity storage capacity of the photovoltaic system is no longer a reasonable and economical solution when the electricity storage is beyond a specific value.

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photovoltaic power / electricity demand / electric energy storage / rural residential building / photovoltaic contribution rate / photovoltaic self-consumption rate

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Hu Wenju, Zhao Yixuan, Cao Jian, Liang Ye, Zhang Haoyang. STUDY ON ELECTRICITY STORAGE CAPACITY ADAPTATION BASED ON PHOTOVOLTAIC POWER GENERATION AND ELECTRICITY CONSUMPTION CHARACTERISTICS OF A RURAL RESIDENTIAL BUILDING[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 697-705 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1989

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