聚光光伏系統(tǒng)聚光器的初步研究.pdf

1、天津大學(xué)碩士學(xué)位論文聚光光伏系統(tǒng)聚光器的初步研究姓名：程穎申請學(xué)位級別：碩士專業(yè)：精密儀器及機(jī)械指導(dǎo)教師：房豐洲20090901ABSTRACTEnergyisoneofthefoundationsneededbythesurvivalanddevelopmentofhumansocietyandsolarenergyisinexhaustibleandrenewablesourcesForeffectiveutilizationofs

2、olarenergysolarphotovoltaicinrecentyearshasbecomethefastestgrowingandmostactiveresearchfieldConcentratorphotovoltaic(CPV)isoneoftheeffectivewaystoreducethecostofsolarpowergeneration，asitcanimprovetheconversionefficiencyo

3、fsolarenergysystems；moreovercondenserisanindispensablepartoftheCPVThispaperexploredtheprincipleofcondensers，andcompletedthedesignoftheparaboliccondensersandFresnelcondensersrespectivelyMainphasesofworkareasfollows：1Analy

4、zedthereasonswhytheimagingconcentratorscannotachievetheidealconvergenceratioBysubsectioncalculationofasingleparabolicsurface，uniformlightdistributionontheopticalreceivercanbeobtainedinafixedangleandfixedreceivercase2Phot

5、ovoltaiccellscanbeplacedonthevertexofparabolicbytheuseofsecondnonimagingconcentratorsThisnotonlyimprovestheconvergenceratioandachievesuniformityoflightintensityonthecellsurface，butalsosolvesthefixingproblemofthebatteryTh

6、edesigncanbedividedintotwoforms，conetypeandcurvedsurfacetypeThelatteroneisdesignedtoincreasethereceivingangle，andreceivebetteruniformitythanthecone—type3StudiedtheprincipleoftheFresnellens，anddesignedtwotypesoftransmissi

7、onFresnelcondensersandareflectiveoneBycomparingthetwotypesoftransmissionFresnelcondensers，therelationshipoftheirmaterialrefractiveindex，transmittance，apertureangle，andtheidealopticalefficiencywasanalyzed，andthedifference

8、oftheopticalefficiencybetweenthepointfocusingtypeandthelinefocusingty’pewasalsoanalyzed4WithopticalsimulationtherationalityofthedesignwasverifiedAndtheparaboliccondenserandFresnelcondenserwerebothmachinedbyultraprecision