Feasibility-study-report

1ThefeasibilityreportProjectname:AssessmentofthebenefitsofconjunctiveoperationoflargescalegridconnectedsolarPV&hydroplantswithstorageMScproject:ElectricalPowerSystemEngineering2•Abstract:ThisreportpresentthefeasibilityassessmentofaprojectrelatingtoAssessmentofthebenefitsofconjunctiveoperationoflargescalegridconnectedsolarPV&hydroplantswithstorage.Moreover,itintroducestheconceptofhybridsolarhydroelectricpowerplant,andexplainstheoperationprincipleofthehybridsystem.Ononehand,thisreportpresentstheliteraturereviewtoanalysetherelatedworkthathavebeendone.Ontheotherhand,themethodologyshowstheapproachtodotheproject,andhowtheprojectwillbedone.Also,thisreportincludestheriskassessment,whichhelpstoreducetheriskofdoingtheproject.3Contents•Abstract:...............................................................................................................................................21.Introduction........................................................................................................................................41.1Background.............................................................................................................................41.2Motivation.....................................................................................................................................41.33AimsandObjectives:........................................................................................................................5LiteratureReview....................................................................................................................................61.Theinvestigationonsolarhydroelectricpowerplant......................................................................61.1theeconomicbenefitofusingPV...............................................................................................6TheadvantagesofPVinpumpingstorage......................................................................................6ConjunctiveoperationofPVandsolar................................................................................................7solarhydroelectricpowerplant......................................................................................................7OptimalsizingofPV.........................................................................................................................8•Methodology......................................................................................................................................101.Buildthehybridsolarhydroelectricsystem...................................................................................102.Operationalbenefitsoftheconjunctiveoperationofsolarandhydro..........................................10•Projectplanning&milestonechart:...................................................................................................12Ganttchart........................................................................................................................................14•AreviewofProjectRisks....................................................................................................................15Bibliography..........................................................................................................................................1641.Introduction:1.1BackgroundWiththedevelopmentoursociety,theneedforelectricityisstillincreasing,inthemeantime,mostelectricalpowersystemsneedtoconsiderthepeakelectricitydemand.Specifically,hydroelectrictechnologyhasanwidespreadapplication,andformanyhydroelectricsystem,thedamsarebuiltmanyyearsago,fortheincreaseloadgrowth,itisnotpossibletoincreasethecapacitorofthereservoir.Oneimportantreasonisthatenlargingthesizeofdamiscostlyandittakesalongperiodoftime.Moreover,increasingthesizeofreservoirmeansimprovethewaterlevelinthedamandrelatedwatercausewhichmayleadtoenvironmentaldamage.Incomparison,tosupplytheloadgrowthanddealwiththeaddedpeakeffectonthesystem,itiscosteffectivetoinstallthePVtopumpthewaterduringthedaytime,andreusingthepumpedwatertosupplythecriticalloaddemand.Reusingthepumpedwaterwhichmeansincreasingtheelectricityproducedbythehydropowerwithoutincreasethepracticalcapacityofthereservoir.1.2Motivation:Inbothcases,theconjunctiveoperationofPVandhydrocannotonlyimprovethecapacityofthesystem,butalsoenhancethereliabilityandmakemoreprofits.Forexisthydropowerplant,thecapacitythereservoirisfixed,byinstallingthePVarray,itcanusetheexcessiveenergyproducedbyPVarraytopumpthewaterintothedam.Inthemeantime,addmoregeneratorstoreusethepumpedstorage.Thepumpedwaterwhichreusedtoproduce5powerisancosteffectivewayto“increasethecapacityofthereservoir”withoutenlargethesizethedam.Moreover,forthesolarelectricsystem,duetotheintermittentnatureofthesolarenergy,itcannotsupplythecustomersduringthenight.Tosigncontractwiththehydropowerplanttopumpthewaterinthedaytime,andbuycapacityduringnightinsteadofequipexpensivebatteriesisalsomoreeconomic.1.3AimsandObjectives:Accordingtotheloa