Abstract
In this paper, a standalone photovoltaics-thermal solar panel is modelled using the TRNSYS simulation engine. Based on this, it was explored how such a system can be comprised of thermal and electrical storage components to provide electricity and hot water for a dwelling in a warm location in Europe. Furthermore, it was investigated how, by cooling the temperature of the solar cells, the electrical power output and efficiency of the panel was improved. The performance of the system was also studied, and the amount that the solar panel was able to convert the solar energy into electricity was investigated. Through this, we discovered that when the temperature of the panel was reduced, on average, by 20%, the electrical power output increased by nearly 12%. Moreover, it was demonstrated that the modelled system can provide hot water under different solar radiation conditions and during all seasons of the year.
Highlights
With the ever-rising concerns regarding the environmental impacts related to greenhouse gas emissions of energy production, as well as the growing trend of increase in energy prices, the engineering industry is eager to find more sustainable and cheaper sources of energy
phase change material (PCM) was used as a type of heat storage material which was attached to the back of the PV panels
The thermal energy transferred from the PV cell to the heat transfer fluid (HTF) is determined from the heat balance across the PV cell and HTF in terms of the heat transfer mechanisms: conduction, convection, and radiation, as follows
Summary
With the ever-rising concerns regarding the environmental impacts related to greenhouse gas emissions of energy production, as well as the growing trend of increase in energy prices, the engineering industry is eager to find more sustainable and cheaper sources of energy In this aspect, the focus on developing technologies that can harness and store renewable energy sources has been set as one of the most important areas of investment and research. The systems can be combined together to generate both heat and electricity [1] These technologies, which are mainly passive and require no power input from any source, can produce energy pollution and noise free. Moreoorevoevr,eirt, witiwll iblle beexpelxoprelodreifdthifetdheemdaenmdaonfdaohfoausheohuosledhionlda hinota ehnovtireonnvmiroenntm, ethnrt,outhgrhoudgahysdaaynsdanndighntigs hotsveorvear yaeyaer,arc,acnanbebessuupppplileiedduussiinngg aa ssttaannddaalloonnee pphhoottoovvoollttaaiiccss--tthheerrmmaall ppaanneell tthhaatt iinnccoorrppoorraatteess eexxtteerrnnaall eelleeccttrriiccaall aanndd tthheerrmmaall ssttoorraaggee ssyysstteemmss
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