| Title: | Dynamic modeling and experimental validation of the photovoltaic/thermal system |
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| Authors: | ID Sredenšek, Klemen (Author)
ID Simonič, Eva (Author)
ID Deželak, Klemen (Author)
ID Bizjak, Marko (Author)
ID Lukač, Niko (Author)
ID Seme, Sebastijan (Author) |
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| Files: |  Sredensek_2025_Dynamic_Modeling_and_Experimental_Validation.pdf (7,15 MB)
MD5: E4C9E21E0FCCE9CCFF055AC042A31043
 https://doi.org/10.3390/app151910505
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FE - Faculty of Energy Technology
FERI - Faculty of Electrical Engineering and Computer Science
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| Abstract: | The aim of this paper is to present a novel and comprehensive methodology for the dynamic modeling and experimental validation of a photovoltaic/thermal system. The dynamic model is divided into thermal and electrical subsystems, encompassing the photovoltaic/ thermal module and the thermal energy storage. The thermal subsystem of both the photovoltaic/thermal module and the thermal energy storage is described by a one-dimensional dynamic model of heat transfer mechanisms and optical losses, while the electrical subsystem is presented as an electrical equivalent circuit of double diode solar cell. Model validation was conducted on a modern experimental photovoltaic/thermal system over an extended operational period at a five-minute resolution, with validation days classified as sunny, cloudy, or overcast based on weather conditions, thereby demonstrating an applied approach. The results demonstrate the lowest deviation values reported to date, confirmed using six quantitative indicators. The added value of the proposed methodology, not previously addressed in the literature, lies in the following contributions: (i) comprehensive modeling of the entire photovoltaic/thermal system, (ii) accurate consideration of optical losses in the photovoltaic/thermal module, and (iii) long-term experimental validation. Overall, the proposed methodology provides a reliable and efficient framework for PV/T system design, optimization, and long-term performance assessment. |
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| Keywords: | photovoltaic/thermal system, thermal energy storage, dynamic modeling, experimental validation, heat transfer mechanism, temperature, electrical power |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 29.08.2025 |
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| Article acceptance date: | 25.09.2025 |
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| Publication date: | 28.09.2025 |
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| Publisher: | MDPI |
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| Year of publishing: | 2025 |
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| Number of pages: | Str. 1-32 |
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| Numbering: | Letn. 15, št. 19, št. članka 10505 |
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| PID: | 20.500.12556/DKUM-95593  |
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| UDC: | 620.91 |
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| ISSN on article: | 2076-3417 |
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| COBISS.SI-ID: | 250780675 |
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| DOI: | 10.3390/app151910505 |
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| Publication date in DKUM: | 10.11.2025 |
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| Views: | 186 |
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| Downloads: | 16 |
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| Metadata: |    |
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| Categories: | Misc.
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