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含压缩空气储能的冷热电联供微网优化设计与运行控制研究.docx

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含压缩空气储能的冷热电联供微网优化设计与运行控制研究 Abstract: Withtherapiddevelopmentofrenewableenergy,theintegrationofmultipleenergysourcesintoamicrogridhasbecomeanefficientwaytoenhanceenergyefficiencyandreduceenvironmentalimpact.However,theintermittentnatureofrenewableenergysourcesposeschallengesforthestabilityandreliabilityofmicrogrids.Inthispaper,weproposearesearchtopicontheoptimizationdesignandoperationcontrolofamicrogridwithcompressedairenergystorage(CAES)forcombinedcooling,heating,andpower(CCHP)applications. Introduction: Microgridsaresmall-scalepowersystemsthatcanoperateinbothgrid-connectedandislandedmodes.Theyconsistofvariousdistributedenergyresources(DERs),includingrenewableenergysourcessuchaswindandsolar,energystoragesystems,andcontrollableloads.Theintegrationofmultipleenergysourcesandstoragetechnologiesinamicrogridcanimproveitsresiliencetopoweroutages,reduceenergycosts,andminimizecarbonemissions. However,theintermittencyandvariabilityofrenewableenergysources,suchassolarandwind,posechallengesforthestableoperationofmicrogrids.Toaddressthischallenge,acombinationofdifferentenergystoragetechnologiescanbeused.Compressedairenergystorage(CAES)isanattractiveoptionduetoitshighenergydensity,longdurationofstorage,andrelativelylowcostcomparedtootherstoragetechnologies. CAESworksbystoringexcesselectricalenergyascompressedairinanundergroundcavernorexistinggasstorageinfrastructure.Thecompressedaircanbereleasedtopoweraturbineandgenerateelectricitywhendemandexceedssupply.Inadditiontoelectricitygeneration,thewasteheatfromthecompressionandexpansionprocessescanberecoveredandusedforheatingandcoolingpurposes,makingCAESsuitableforcombinedcooling,heating,andpower(CCHP)applications. ResearchObjectives: TheobjectiveofthisresearchistooptimizethedesignandoperationcontrolofamicrogridwithCAESforCCHPapplications.Thespecificresearchobjectivesareasfollows: 1.OptimalsizingoftheCAESsystem:TheCAESsystem'scapacity,includingthestoragevolumeandpowerrating,needstobeoptimizedtomeetthemicrogrid'sdemandforelectricity,heat