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Energy performance analytical review of semi-transparent photovoltaics glazing in the United Kingdom

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JOURNAL OF BUILDING ENGINEERING
卷 54, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.jobe.2022.104686

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Energy; Energy conservation; Energy efficiency; Photovoltaic cells; Solar energy

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This work reviews the recent advancement in semi-transparent photovoltaics (STPV) glazing systems and investigates their impact on energy consumption in buildings through numerical simulation. The results indicate that employing clear double-glazing in small glazing situations can significantly reduce energy consumption, while applying STPV glazing systems in large glazing can lead to a decrease in energy performance. The effectiveness of STPV glazing systems in medium-sized glazing installations depends on the solar material used.
This work reviews the recent achieved advancement in semi-transparent photovoltaics (STPV) glazing systems, which are considered as a possible solution to improve the thermal performance of buildings. A numerical model was developed utilising EnergyPlus to investigate the impact of integrating STPV glazing systems in the United Kingdom. The simulation investigated the overall energy consumption under different Window-to-Wall ratio (WWR) for south-oriented STPV glazing systems with different transparencies and materials. The results indicated that employing clear double-glazing in small glazing situation at WWR = 30% would reduce the overall energy consumption by (7.5-26) % depending on the implemented STPV glazing systems. Furthermore, applying STPV glazing system in large glazing (WWR & GE;70%) would lead to a decrease in the overall energy performance by 40% compared with the conventional clear double-glazing systems. However, utilising STPV glazing systems in medium-sized glazing is dependent on the solar material that is used. The results indicated that employing a-Si STPV glazing system is inefficient when the glazing cover (30% < WWR < 70%) comparing to the clear double-glazing system. This result is a consequence of to the thermal and optical characteristics of a-Si solar cells. These characteristics would eventually lead to a higher heating and lighting requirements.

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