COMPREHENSIVE ENERGY EFFICIENCY AND PARAMETER OPTIMIZATION RESEARCH OF BIFACIAL PHOTOVOLTAIC VERTICAL SHADING SYSTEM

Yang Zhirui; Peng Jinqing; Wang Meng; Zhou Hao; Song Jiaming; Liu Hong

doi:10.19912/j.0254-0096.tynxb.2022-1412

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (12) : 9-16. DOI: 10.19912/j.0254-0096.tynxb.2022-1412

COMPREHENSIVE ENERGY EFFICIENCY AND PARAMETER OPTIMIZATION RESEARCH OF BIFACIAL PHOTOVOLTAIC VERTICAL SHADING SYSTEM

Yang Zhirui¹, Peng Jinqing¹, Wang Meng², Zhou Hao¹, Song Jiaming¹, Liu Hong³

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Abstract

In this study, the comprehensive energy efficiency of bifacial photovoltaic vertical shading system is studied experimentally and theoretically. Firstly, a bifacial photovoltaic vertical shading power generation model based on EnergyPlus is established, and the accuracy of the model is verified through experiments. Then, combined with the energy consumption of air conditioning and lighting, a comprehensive energy efficiency model of bifacial photovoltaic vertical shading system is established. Finally, based on the verified model, the impact of climate conditions, overhang width and installation tilt angle on the comprehensive energy efficiency of the system is analyzed by using three evaluation indicators： net energy consumption （Q_NEC）, self-consumption rate （SCR） and self-sufficiency rate （SSR）. The results show that the net energy consumption decreases with the increase of the inclination angle, and the energy saving rate can reach 71.25% at the maximum. The variation tendency of self-satisfaction rate is basically consistent with photovoltaic power generation, and the trend of self-consumption rate is highly consistent with net energy consumption.

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photovoltaic power / power generation / energy efficiency / BIPV / shading system / parameter optimization

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Yang Zhirui, Peng Jinqing, Wang Meng, Zhou Hao, Song Jiaming, Liu Hong. COMPREHENSIVE ENERGY EFFICIENCY AND PARAMETER OPTIMIZATION RESEARCH OF BIFACIAL PHOTOVOLTAIC VERTICAL SHADING SYSTEM[J]. Acta Energiae Solaris Sinica. 2023, 44(12): 9-16 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1412

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