The Influence of Photovoltaic Cell Coverage Rate on the Thermal and Electric Performance of Semi-Transparent Crystalline Silicon Photovoltaic Windows Based on the Dynamic Power Coupling Model

Wenjie Zhang, Kangyong Liu, Shengbin Ma, Tongdan Gong and Yingbo Zhao
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Wenjie Zhang: School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Kangyong Liu: School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Shengbin Ma: Nanjing Architectural Design and Research Institute Co., Ltd., Nanjing 210014, China
Tongdan Gong: School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Yingbo Zhao: School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Energies, 2021, vol. 14, issue 21, 1-14

Abstract: Based on the energy conversion equation and dynamic power model of the semi-transparent crystalline silicon photovoltaic (PV) window (ST-PVW), through an iterative coupling solution to the operating temperature of the cell, a thermal-electric coupling calculation method for the ST-PVW is provided, and, combined with experiments, the method model was verified. Based on this model, the influence of PV cell coverage rate (PVR) on the thermal performance of the ST-PVW was studied. According to the simulation results, in summer, the heat gain of the ST-PVW decreases with the increase of PVR, and in winter, the amount of heat loss increases with the increase of PVR. For the four cities of Guangzhou, Nanjing, Beijing and Harbin, when the PVR is 1, 0.60 to 0.64, 0.28 to 0.32 and 0.26 to 0.30, respectively, the annual power consumption of the air conditioner can reach the minimum, and when the PVR is 0.16 to 0.17, 0.24 to 0.25, 0.22 to 0.23 and 0.19 to 0.20, respectively, the amount of electricity generated can just offset the power consumption of the air conditioner during the day.

Keywords: semi-transparent crystalline silicon PV window (ST-PVW); dynamic power model; thermo-electricity coupled; heat gain; PV cell coverage rate (PVR) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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