paper the utility of energy storage to improve the economics of wind–diesel power plants in canada外语英文电子书

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1、ARTICLEINPRESSRenewableEnergy33(2008)1544–1557www.elsevier.com/locate/reneneTheutilityofenergystoragetoimprovetheeconomicsofwind–dieselpowerplantsinCanadaa,b,aTimothyM.Weis,AdrianIlincaaWindEnergyResearchLaboratory(WERL),Universite´duQue´beca`Rimousk

2、i,300Alle´edesUrsulines,Que.,CanadaG5L3A1bSustainableCommunities,PembinaInstitute,10008-82ndAvenue,Edmonton,Alta.,CanadaT6E4J5Received14March2007;accepted24July2007Availableonline25October2007AbstractWindenergysystemshavebeenconsideredforCanada’sremot

3、ecommunitiesinordertoreducetheircostsanddependenceondieselfueltogenerateelectricity.Giventhehighcapitalcosts,low-penetrationwind–dieselsystemshavebeentypicallyfoundnottobeeconomic.High-penetrationwind–dieselsystemshavethebenefitofincreasedeconomiesofsc

4、ale,anddisplacingsignificantamountsofdieselfuel,buthavethedisadvantageofnotbeingabletocapturealloftheelectricitythatisgeneratedwhenthewindturbinesoperateatratedcapacity.TworepresentativemodelsoftypicalremoteCanadiancommunitieswerecreatedusingHOMER,anNR

5、ELmicro-powersimulatortomodelhowagenericenergystoragesystemcouldhelpimprovetheeconomicsofahigh-penetrationwind–dieselsystem.Keyvariablesthataffecttheoptimumsystemareaverageannualwindspeed,costofdieselfuel,installedcostofstorageandastoragesystemsoveral

6、lefficiency.Atanavoidedcostofdieselfuelof0.30$Cdn/kWhandcurrentinstalledcosts,windgeneratorsaresuitableinremoteCanadiancommunitiesonlywhenanaverageannualwindspeedofatleast6.0m/sispresent.Windenergystoragesystemsbecomeviabletoconsiderwhenaverageannualwi

7、ndspeedsapproach7.0m/s,iftheinstalledcostofthestoragesystemislessthan1000$Cdn/kWanditiscapableofachievingatleasta75%overallenergyconversionefficiency.Insuchcases,energystoragesystemcanenableanadditional50%ofelectricityfromwindturbinestobedelivered.r200

8、7ElsevierLtd.Allrightsreserved.Keywords:Wind–diesel;Remotecommunity;High-penetration;HOMERmicro-power;Electricitystorage1.IntroductionCorporationbeganinvestigatingcommercialwindpowersystems,notforenvironmentalbenefits,butasacost-1.1.Windenergyi