Pages_480-488
Temperature increases in photovoltaic (PV) cause reduction of PV efficiency. Some cooling technologies were proposed by researchers, both active and passive method. However, until recently, there is no implementation of PV passive cooling technology intended toward Floating PV (FPV) application. The objective of this study is to determine the performance of the thermosiphon passive cooling system for FPV array. Experiment results shows that floating PV array fitted with thermosiphon passive cooling system has lower module temperature of 41.11°C compared to floating PV array without thermosiphon cooling system, i.e. 49.57°C, and PV on ground temperature of 51.61°C. The lower PV temperature improves electric efficiency of floating PV array with thermosiphon by 27% compared to floating PV array without thermosiphon by 8.18%, both relative to ground PV array efficiency.
Keywords: Photovoltaic; Floating PV; Efficiency; Passive cooling; Thermosiphon
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