PVT 시스템의 PV 모듈 및 태양열 집열기 대비 성능 및 효율 비교분석
The Performance and Efficiency Analysis of a PVT System Compared with a PV module and a Solar collector
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A photovoltaic/thermal(PVT)solarsystem isthesolartechnologythatallowsforsimultaneousconversionofsolar energyintobothelectricityandheat.ThispapercomparedtheperformanceofPVT system withaconventionalPV moduleandsolarcollectorandanalyzedelectricalandthermalefficiencyofPVT system intermsofsolarirradiance andinlettemperatureoftheworkingfluid.Basedontheexperimentaldata,thermalandelectricalefficienciesofthe glazedPVT system were57.9% and14.27% underzeroreducedtemperatureconditionwhichwerelowerby13.6% than thesolarthermalabsorberplateandby0.08% thanthePV modulerespectively.FortheunglazedPVT system,ithad lowerthermalefficiencythanthesolarthermalabsorberplatebuthigherelectricalperformancethanthePV module duetothecoolingeffectbytheworkingfluid.However,totalefficiencyoftheglazedPVT system was72.2% which washigherthancombinedefficienciesofthesolarcollectorandPV module.Besides,totalefficiencyofthePVT system wouldbemuchhigherifcalculatedbasedonunitarea
Abstract
A photovoltaic/thermal(PVT)solarsystem isthesolartechnologythatallowsforsimultaneousconversionofsolar energyintobothelectricityandheat.ThispapercomparedtheperformanceofPVT system withaconventionalPV moduleandsolarcollectorandanalyzedelectricalandthermalefficiencyofPVT system intermsofsolarirradiance andinlettemperatureoftheworkingfluid.Basedontheexperimentaldata,thermalandelectricalefficienciesofthe glazedPVT system were57.9% and14.27% underzeroreducedtemperatureconditionwhichwerelowerby13.6% than thesolarthermalabsorberplateandby0.08% thanthePV modulerespectively.FortheunglazedPVT system,ithad lowerthermalefficiencythanthesolarthermalabsorberplatebuthigherelectricalperformancethanthePV module duetothecoolingeffectbytheworkingfluid.However,totalefficiencyoftheglazedPVT system was72.2% which washigherthancombinedefficienciesofthesolarcollectorandPV module.Besides,totalefficiencyofthePVT system wouldbemuchhigherifcalculatedbasedonunitarea
참고문헌 (8)
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