Influence of module temperature on the operating parameters of photovoltaic modules
author:
ANNA ĆWIKŁOWSKA, MARCIN MICHALSKI, MICHAŁ POMORSKI
ORCID ID:
0000-0002-5996-1549, 0000-0003-4939-1017
No:
06/2022 Instal p. 16-20
DOI:
DOI 10.36119/15.2022.6.2
This paper shows the results of investigation of the effect of operating temperature on the performance of a photovoltaic module. Two modules made in different technologies were experimentally studied, i.e., o o monocrystalline and polycrystalline The experiments were performed in the temperature range of–20 C–60 C and for each measurement point, the electrical parameters of the module were measured and from this data the generated power and solar energy conversion efficiency were calculated. As a result of the tests, a decrease of power and efficiency of the module was observed with increasing operating temperature. In the tested temperature range, the observed decrease in efficiency was about 20%. Higher efficiency values were obtained for the monocrystalline module. However, this module was also characterized by a higher dynamics of efficiency decrease with operating temperature increase. The obtained value of the temperature coefficient of power loss for an irradiance of about 500 W/m2 for the polycrystalline module was equal to 0.26 %/K and for the monocrystalline module it was equal to 0.28 %/K.
Keywords:
About Authors:
inż. Anna Ćwikłowska – Wydział Mechaniczno-Energetyczny, Politechnika Wrocławska
dr inż. Marcin Michalski (https: //orcid.org/0000-0002-5996-1549), dr inż. Michał Pomorski (https://orcid.org/0000-0003-4939-1017) – Katedra Termodynamiki i Odnawialnych Źródeł Energii, Wydział Mechaniczno-Energetyczny, Politechnika Wrocławska. Corresponding author: michal.pomorski@pwr.edu.pl