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1、Wavespectra,waveconversiondeviceperformance,andintegrationintoelectricitymarketsGordonRoeslerInformationSciencesInstituteUniversityofSouthernCaliforniaMarinadelRey,CAgmr@isi.eduAbstract—Electricityproductionfromoceanwaveshasthestandards[4].Thehigh-growthrenewablesour
2、ces,solarandtheoreticaladvantagesofhighercapacityfactor,lowershort-wind,manifestconsiderablevariationintheiroutputlevelstermvariability,andlongerforecastinghorizons,whencompared[5]—solarduetointermittentcloudcover,andwindduetotowindandphotovoltaicsources.Potentialapp
3、licationsofwave-turbulenceandweatherfactors.Yetinstallationofthesegeneratedenergy,inlightoftheseadvantages,include:energysourcesisaccelerating,andtheirvariabilitypresentsservices;regulatingreserves;andcontingencyreserves.Toincreasingchallengestoutilitiesandtransmissi
4、onoperators.providetheseservicesreliablyandeconomically,thetimevariabilityofthewaveenergyresourcemustbeclearlyMeanwhilewaveenergyconversionisstillinthedevelopmentunderstood.Also,theseservicesareprovidedinthecontextofanddemonstrationphase.Thisrepresentsanopportunityto
5、real-timeorday-aheadenergymarkets.TheobjectiveofthisdesignWECs,theiroperationalschemesandtheirinterfacesworkistoassesswhetherthetypicalpropertiesofwaveenergywithutilitygridsformaximumreturn.Amongtheimportantconverters,possiblyenhancedwithsmallamountsofenergyconsidera
6、tionsarethepowerqualityrequirementsonWECs,storage,canresultinenergyproductsthathavehighvalueinasnon-utilitygenerators,andthecharacteristicsofthemarketsthesemarkets,providinghighlyreliable,constantpoweroverinwhichelectricityfromWECswouldbesold.predictableperiods.Weexa
7、minewavespectrafromNationalShort-termvariabilityinWECoutputarisesprimarilyfromDataBuoyCenterbuoysandconvertthemtorepresentativetimethemulti-periodicnatureofmanyseas,aswellasfromseries.Thewavetimeseriesareinputtoagenericwaveconvertermodeltogenerateoutputpowercharacter
8、istics.Somepowernonlinearwave-waveandwave-WECinteractions.Withouttakeoffdevicesinherentlycontainenergystorageofsmallsmoothing,thein