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An Experimental and Comparative Performance Evaluation of a Hybrid Photovoltaic-Thermoelectric System
Univ Lahore, Dept Technol, Lahore, Pakistan..
Univ Lahore, Lahore Sch Aviat, Lahore, Pakistan..
Univ Engn & Technol Lahore, Dept Mech Engn, Lahore, Pakistan..
Lahore Coll Women Univ, Dept Elect Engn, Lahore, Pakistan..
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2021 (English)In: Frontiers in Energy Research, E-ISSN 2296-598X, Vol. 9, article id 722514Article in journal (Refereed) Published
Abstract [en]

The majority of incident solar irradiance causes thermalization in photovoltaic (PV) cells, attenuating their efficiency. In order to use solar energy on a large scale and reduce carbon emissions, their efficiency must be enhanced. Effective thermal management can be utilized to generate additional electrical power while simultaneously improving photovoltaic efficiency. In this work, an experimental model of a hybrid photovoltaic-thermoelectric generation (PV-TEG) system is developed. Ten bismuth telluride-based thermoelectric modules are attached to the rear side of a 10 W polycrystalline silicon-based photovoltaic module in order to recover and transform waste thermal energy to usable electrical energy, ultimately cooling the PV cells. The experiment was then carried out for 10 days in Lahore, Pakistan, on both a simple PV module and a hybrid PV-TEG system. The findings revealed that a hybrid system has boosted PV module output power and conversion efficiency. The operating temperature of the PV module in the hybrid system is reduced by 5.5%, from 55 degrees C to 52 degrees C. Due to a drop in temperature and the addition of some recovered energy by thermoelectric modules, the total output power and conversion efficiency of the system increased. The hybrid system's cumulative output power increased by 19% from 8.78 to 10.84 W, compared to the simple PV system. Also, the efficiency of the hybrid PV-TEG system increased from 11.6 to 14%, which is an increase of 17% overall. The results of this research could provide consideration for designing commercial hybrid PV-TEG systems.

Place, publisher, year, edition, pages
FRONTIERS MEDIA SA , 2021. Vol. 9, article id 722514
Keywords [en]
photovoltaic, thermoelectric, hybrid, photovoltaic-thermoelectric, experimentation, performance evaluation
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-56311DOI: 10.3389/fenrg.2021.722514ISI: 000708391600001Scopus ID: 2-s2.0-85117098495OAI: oai:DiVA.org:mdh-56311DiVA, id: diva2:1606756
Available from: 2021-10-28 Created: 2021-10-28 Last updated: 2021-10-28Bibliographically approved

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Salman, Chaudhary Awais

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