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Further progress in the research of fin based passive cooling technique for the free-standing silicon photovoltaic panels (CROSBI ID 260303)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Grubišić Čabo, Filip ; Nižetić, Sandro ; Marinić Kragić, Ivo ; Čoko, Duje Further progress in the research of fin based passive cooling technique for the free-standing silicon photovoltaic panels // International journal of energy research, 43 (2019), 8; 3475-3495

Podaci o odgovornosti

Grubišić Čabo, Filip ; Nižetić, Sandro ; Marinić Kragić, Ivo ; Čoko, Duje

engleski

Further progress in the research of fin based passive cooling technique for the free-standing silicon photovoltaic panels

The paper deals with a passive air based cooling technique of photovoltaic (PV) panels in operating conditions. Cooling technique is done by specific type of using aluminium fins, and its main purpose is to increase the electrical efficiency of the PV panel. An increase in electrical efficiency can be achieved because of temperature degradation effect, where the PV panel yields less power at higher operating temperatures (the PV panel’s efficiency can drop by up to 0.5%/°C). To confirm a cooling technique, a medium-sized PV system was used in a two-month experiment. The experiment was done in realistic operating conditions, and all working parameters were thoroughly measured. After the analysis of the data, no significant raise in electrical efficiency was recorded throughout the experiment. A numerical approach was conducted, based on gained experimental data. Developed numerical model gave explanations of experimental results, and provided an insight in heat flow through the PV cell. Later on, developed numerical model was used to propose new cooling variations of the fin based technique , and to further examine the overall potential of air based passive cooling techniques. It was shown that cooling effect by up to 5°C is a realistic expectation for this technique in described operating conditions.

photovoltaics ; experimental investigation ; passive cooling ; energy efficiency ; solar energy

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Podaci o izdanju

43 (8)

2019.

3475-3495

objavljeno

0363-907X

1099-114X

Povezanost rada

Temeljne tehničke znanosti, Interdisciplinarne tehničke znanosti

Indeksiranost