THERMAL SCIENCE

International Scientific Journal

EXPERIMENTAL STUDY ON A HIGH CONCENTRATION PHOTOVOLTAIC/THERMAL SYSTEM WITH PLANE MIRRORS ARRAY

ABSTRACT
A high concentration photovoltaic/thermal system based on plane mirrors array has been developed and analyzed. It is found that the system with plane mirrors array not only can reduce the cost but also achieve a uniform illumination and adjustable concentration ratios. The system produces both electrical and thermal energy, with the electrical efficiency above 22% and the thermal efficiency above 47%. The experimental results show that the temperature coefficient of open circuit voltage in this photovoltaic module is around –0.12 V/°C. Moreover, when the concentration ratio varies between 200 and 450, the decrease of electrical efficiency with the temperature is 0.08% per°C.
KEYWORDS
PAPER SUBMITTED: 2017-11-09
PAPER REVISED: 2017-11-27
PAPER ACCEPTED: 2017-11-27
PUBLISHED ONLINE: 2017-12-23
DOI REFERENCE: https://doi.org/10.2298/TSCI171109264C
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE Supplement 2, PAGES [S517 - S525]
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© 2018 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence