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1、????????????????????????THEDEVELOPMENTOFANEWSOLARTRACKER(Academic)????ξ????2012?7????к????TG513.4?????10213???к????621??????????????????????????????????お?????????????????????????????????????????????ㄨ????2012?7???????????????ClassifiedIndex:TG513.4U.D.C
2、.:621DissertationfortheMasterDegreeinEngineering(Academic)THEDEVELOPMENTOFANEWSOLARTRACKERCandidate?HuYeguangSupervisor?Prof.YaoYingxueAcademicDegreeAppliedfor?MasterofEngineeringSpeciality?MechanicalManufacturingandAutomationAffiliation?SchoolofMechat
3、ronicsEngineeringDateofDefence?July,2012Degree-Conferring-Institution?HarbinInstituteofTechnology????????????????????????????⑤??????????????????????催ㄝ????????????????Ё????????????????????催????????????????????????????????????Ё?????????????????????????有?
4、??????????????????????????????????П??????????????????????????????????-??????????????????????????????????????????????????????????????????????????????????????????????????????????????????-?????????????????????????????????????????????????????????????????-?
5、????????????????偠??????????????????????????????????????∴?П?????????????????????????????????????????????????偠?お?偠????????Ё???????偠????????有???????偠??????????∴????????????∴???????????????????????∴??????????催????????????????????????????催??????????????????
6、????-I-???????????????AbstractSolarenergy,akindofcleanandrenewableenergysource,canbeappliedtoelectricitygeneration.However,suchfactorsastheutilizationinefficiencyofthesolarenergygiverisetothelowpercentageofthesolarenergy-producedelectricityasopposedtot
7、hetotalelectricityoutput.Thus,somekindofsolartrackerisinneedtopromotetheutilizationefficiencyofthesolarenergy.Currently,solartrackershavebeenwidelyusedinphotovoltaic/thermalpowersystems.However,althoughthecurrentsolartrackersmeetthebasicrequirementoftr
8、ackingthesun,theyhaveshowedsomedeficienciesinrespectoftrackingprecisionaswellasprocessingcost.Onthebasisofthemovementrulesofthesun,thisdissertationproposessecondtrackingmodelsbyanalysisingthedeficienciesofthecurrentsolartrackers:grouptr
