Modelling and Performance Analysis of a New PVT System, with Two Semi-Transparent PV Panels

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Abstract

The photovoltaic-thermal (PVT) collector system is a relatively mature technology to harvest energy from the sun and convert to electrical and thermal energy. Recent developments in this field have shown that the PVT system can yield electrical, thermal and combined PVT efficiencies of 13.8%, 54.6% and 68.4% respectively. This introduces the application of a semi-transparent PV to a photovoltaic thermal collector (PVT) system. A new design is proposed with two semi-transparent PVs (STPVs) to enhance the PVT performance. The semi-transparent PV (STPV) will replace the conventional glass cover, and hence will permit a certain percentage of solar radiation to pass through it. The performance of the new PVT configuration with double and single glazing was analysed, where in the double glazing, the STPV replaces the lower glazing. The thermal and electrical efficiencies of the new design configuration were investigated under different climatic conditions at Malaysia, Sudan and UK. The simulation results reveal that the new PVT system could achieve electrical, thermal and combined PVT efficiencies of 20.76%, 65.7% and 86.5% respectively, enhancing the electrical efficiency due to the use of two semi-transparent PV panels and thus improving the energy harvested per unit area, putting a positive step toward the application of a multilayer semi-transparent mono-crystalline silicon PV. However, the PVT glazing is more effective in locations with relatively low ambient temperature, while it is found not feasible in locations with considerably higher temperature. Moreover, the study indicates that the PVT system is not effective for sites with low solar radiation and ambient temperature.
Original languageEnglish
JournalProcess Integration and Optimization for Sustainability
Early online date7 Mar 2019
DOIs
Publication statusE-pub ahead of print - 7 Mar 2019

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Solar radiation
Hot Temperature
Thermal energy
Sun
Temperature
Multilayers
Crystalline materials
Glass
Silicon

Cite this

@article{d0ab6b6cdd3e40559fc6402ec50deb42,
title = "Modelling and Performance Analysis of a New PVT System, with Two Semi-Transparent PV Panels",
abstract = "The photovoltaic-thermal (PVT) collector system is a relatively mature technology to harvest energy from the sun and convert to electrical and thermal energy. Recent developments in this field have shown that the PVT system can yield electrical, thermal and combined PVT efficiencies of 13.8{\%}, 54.6{\%} and 68.4{\%} respectively. This introduces the application of a semi-transparent PV to a photovoltaic thermal collector (PVT) system. A new design is proposed with two semi-transparent PVs (STPVs) to enhance the PVT performance. The semi-transparent PV (STPV) will replace the conventional glass cover, and hence will permit a certain percentage of solar radiation to pass through it. The performance of the new PVT configuration with double and single glazing was analysed, where in the double glazing, the STPV replaces the lower glazing. The thermal and electrical efficiencies of the new design configuration were investigated under different climatic conditions at Malaysia, Sudan and UK. The simulation results reveal that the new PVT system could achieve electrical, thermal and combined PVT efficiencies of 20.76{\%}, 65.7{\%} and 86.5{\%} respectively, enhancing the electrical efficiency due to the use of two semi-transparent PV panels and thus improving the energy harvested per unit area, putting a positive step toward the application of a multilayer semi-transparent mono-crystalline silicon PV. However, the PVT glazing is more effective in locations with relatively low ambient temperature, while it is found not feasible in locations with considerably higher temperature. Moreover, the study indicates that the PVT system is not effective for sites with low solar radiation and ambient temperature.",
author = "Michael Abakam and Alkaff, {Saqaff Ahmed Abdulrahman} and Go, {Yun Ii} and Venkiteswaran, {Vinod Kumar}",
year = "2019",
month = "3",
day = "7",
doi = "10.1007/s41660-019-00084-9",
language = "English",
journal = "Process Integration and Optimization for Sustainability",
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AU - Go, Yun Ii

AU - Venkiteswaran, Vinod Kumar

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