Thesis - PSCAD-EMTDC-Based Modeling and Analysis of a Microg

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1、PSCAD/EMTDC-BASEDMODELINGANDANALYSISOFAMICROGRIDWITHRENEWABLEENERGYSOURCESAThesisbyZHENGGUOCHUSubmittedtotheOfficeofGraduateStudiesofTexasA&MUniversityinpartialfulfillmentoftherequirementsforthedegreeofMASTEROFSCIENCEMay2010MajorSubject:ElectricalEngineeringPSCAD/EMTDC-BASEDM

2、ODELINGANDANALYSISOFAMICROGRIDWITHRENEWABLEENERGYSOURCESAThesisbyZHENGGUOCHUSubmittedtotheOfficeofGraduateStudiesofTexasA&MUniversityinpartialfulfillmentoftherequirementsforthedegreeofMASTEROFSCIENCEApprovedby:ChairofCommittee,KarenL.Butler-PurryCommitteeMembers,MehrdadEhsani

3、TakisZourntosJohnHurtadoHeadofDepartment,CostasGeorghiadesMay2010MajorSubject:ElectricalEngineeringiiiABSTRACTPSCAD/EMTDC-BasedModelingandAnalysisofaMicrogridwithRenewableEnergySources.(May2010)ZhengguoChu,B.E.,TsinghuaUniversityChairofAdvisoryCommittee:Dr.KarenL.Butler-Purry

4、Microgridisarelativelynewconceptwhichhasgainedsignificantattentionrecentlyduetotheincreasingpenetrationofdistributedenergysources.Itbringsmanybenefitstothetraditionaldistributionsystem.Couplesofmicrogridtestbedsintheformsofeitherhardwarefacilitiesorsoftwaresimulationsystemsha

5、vebeendevelopedtostudymicrogridissuesinmanyinstitutesthroughouttheworld.Intheworkpresentedinthisthesis,amicrogridsystemmodelinPSCAD/EMTDCwasdeveloped.Theproposedmicrogridsystemincludesfundamentalpowersystemcomponentmodels,tworenewableenergysourcemodels(wind&solar)andoneenergy

6、storagesourcemodel.Differentcasestudieswereconducted.TheresultsfromthesimulationcasestudiesshowedthattheproposedmicrogridsysteminPSCADhadsatisfactoryperformanceunderdifferentscenarioswithrenewableenergysources.Theproposedmicrogridsystemmodelcanbeusedforfurtherresearchonmicrog

7、ridissues.ivDEDICATIONTomyfamilyandfriends,Thankyouforyourcontinuedsupportandlove.vACKNOWLEDGEMENTSIwouldliketothankmycommitteechair,Dr.KarenL.Butler-Purry,forhersupportandguidancethroughoutmyresearchwork.Ihavelearnedmanyinvaluablelessonsfromher.Iwouldalsoliketothankmycommitt

8、eemembers,Dr.MehrdadEhsani,Dr.TakisZourntosandDr.JohnHurtado,fortaki