Evaluation on Cooling Effect on Solar PV Power Output Using Laminar H2O Surface Method

Kartini Sukarno, Abd Hamid Ag Sufiyan, Halim Razali, Jedol Dayou


This paper discusses the comparison of output power and efficiency between continuous cooling system, cooling system every one hour and non-cooling system of solar photovoltaic panel. The output power calculated for the continuous cooling system was 68.8 Watt, cooling system every one hour was 65.11 Watt and 59.06 Watt for non-cooling system respectively for the latitude of University Malaysia Sabah (6°01’53.73’’N, 116°07’14.98’’E). Meanwhile, the efficiency percentage of this system was 29.82%, 15.11% and 13.1% respectively. The maximum temperature for continuous cooling system panel was 38.9˚C at 2 pm, cooling system every one hour was 48.2˚C at 11 am and non-cooling system was found 53.3˚C at 1 pm. Power output measurement was conducted for 10 days from 13th to 22nd March 2016. The corresponding maximum global solar radiation was 1052.9 W/m² on 17th March 2016 at 2 pm whereas the highest hourly average was 970.17 W/m2at 1 pm.  Therefore, it can be concluded that generally output power for cooling system is higher compared to non-cooling system.

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Solar; Photovoltaic; Laminar surface cooling, Water Cooling; Continuous Cooling; Power Output; Temperature Effect; Kota Kinabalu Malaysia; Tropical

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