An Experimental Study on Transient Response of a Hybrid Thermoelectric–Photovoltaic System with Beam Splitter

Sajjad Mahmoudinezhad, Petru Adrian Cotfas, Daniel Tudor Cotfas, Enok Johannes Haahr Skjølstrup, Kjeld Pedersen, Lasse Rosendahl and Alireza Rezania
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Sajjad Mahmoudinezhad: AAU Energy, Aalborg University, Pontoppidanstraede 111, DK-9220 Aalborg, Denmark
Petru Adrian Cotfas: Electrical Engineering and Computer Science Faculty, Transilvania University of Brasov, 500036 Brasov, Romania
Daniel Tudor Cotfas: Electrical Engineering and Computer Science Faculty, Transilvania University of Brasov, 500036 Brasov, Romania
Enok Johannes Haahr Skjølstrup: Department of Materials and Production, Aalborg University, Skjernvej 4A, DK-9220 Aalborg, Denmark
Kjeld Pedersen: Department of Materials and Production, Aalborg University, Skjernvej 4A, DK-9220 Aalborg, Denmark
Lasse Rosendahl: AAU Energy, Aalborg University, Pontoppidanstraede 111, DK-9220 Aalborg, Denmark
Alireza Rezania: AAU Energy, Aalborg University, Pontoppidanstraede 111, DK-9220 Aalborg, Denmark

Energies, 2021, vol. 14, issue 23, 1-12

Abstract: In the current study, the electrical responses of a thermoelectric (TE) module and a photovoltaic (PV) cell are investigated in three different systems, namely, a PV-only system, TE-only system, and hybrid TE-PV system with a beam splitter (TE-PV-BS), under variable solar irradiations demonstrating partly cloudy weather conditions. To enhance the deployment of solar energy, a predesigned beam splitter combined with the amorphous silicon TE and PV system is used in the experiments. The impact of the spectral beam splitting technology on the conversion performance of the TE module and PV cell in the hybrid system is studied and compared to the performance of the TE-only and PV-only systems. The electrical output parameters of the TE module and PV cell are obtained for the studied systems, and they are discussed in detail. The results of this work show that the power generated by the PV cell has a stepwise fluctuation similar to the variation in the concentrated solar radiation. Affected by its heat capacity, the power variation is monotonous with the TE module. The results moreover indicate that there is more power generated by the PV cell in the TE-PV-BS hybrid system than by the PV-only system. In comparison, the TE-only system produces more power than the TE module in the hybrid system. Furthermore, the TE-PV-BS hybrid system generates higher and more stable electrical power than the TE-only and PV-only systems, showing a significant advantage of the spectrum management concept.

Keywords: thermoelectric module; photovoltaic cell; spectrum beam splitting; hybrid energy conversion; transient response; maximum power (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
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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