A review of heat batteries based PV module cooling—case studies on performance enhancement of large-scale solar PV system

Velmurugan, K. et al. (2022) A review of heat batteries based PV module cooling—case studies on performance enhancement of large-scale solar PV system. Sustainability, 14(4), 1963. (doi: 10.3390/su14041963)

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Abstract

Several studies have concentrated on cooling the PV module temperature (TPV) to enhance the system’s electrical output power and efficiency in recent years. In this review study, PCM-based cooling techniques are reviewed majorly classified into three techniques: (i) incorporating raw/pure PCM behind the PV module is one of the most straightforward techniques; (ii) thermal additives such as inter-fin, nano-compound, expanded graphite (EG), and others are infused in PCM to enhance the heat transfer rate between PV module and PCM; and (iii) thermal collectors that are placed behind the PV module or inside the PCM container to minimize the PCM usage. Advantageously, these techniques favor reusing the waste heat from the PV module. Further, in this study, PCM thermophysical properties are straightforwardly discussed. It is found that the PCM melting temperature (Tmelt) and thermal conductivity (KPCM) become the major concerns in cooling the PV module. Based on the literature review, experimentally proven PV-PCM temperatures are analyzed over a year for UAE and Islamabad locations using typical meteorological year (TMY) data from the National Renewable Energy Laboratory (NREL) data source in 1 h frequency.

Item Type:Articles
Keywords:PV module cooling, heat battery, thermal conduction barrier, composite PCM (heat battery), thermal collector, power enhancement, PR improvement.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Karthikeyan, Dr Vaithinathan
Creator Roles:
Karthikeyan, V.Writing – original draft, Investigation, Writing – review and editing
Authors: Velmurugan, K., Elavarasan, R. M., De, P. V., Karthikeyan, V., Korukonda, T. B., Dhanraj, J. A., Emsaeng, K., Chowdhury, M. S., Techato, K., El Khier, B. S. A., and Attia, E.-A.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Sustainability
Publisher:MDPI
ISSN:2071-1050
ISSN (Online):2071-1050
Published Online:09 February 2022
Copyright Holders:Copyright © 2022 The Authors
First Published:First published in Sustainability 14(4): 1963
Publisher Policy:Reproduced under a Creative Commons License

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