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基于供需热电比耦合的酒店分布式能源系统优化.docx

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基于供需热电比耦合的酒店分布式能源系统优化 Abstract Withtheincreasingdemandforsustainabledevelopment,distributedenergysystemshavebecomeanattractivesolutionformeetingtheenergydemandsofhotels.Inthispaper,weproposeanoptimizationmodelforahoteldistributedenergysystembasedonsupply-demandcoupling.Themodeltakesintoconsiderationtheheat-electricitycouplingrelationshipinthesystemaswellasdemand-sidemanagementmeasuressuchasdemandresponseandenergystorage.Theresultsshowthattheproposedoptimizationmodelcaneffectivelyreducethehotel'senergycostsandimproveitsenergyutilizationefficiency. Introduction Hotelsarelargeenergyconsumersthatrequireastableandreliablesupplyofelectricityandheattomeettheirdailyneeds.Thetraditionalenergysupplymodelforhotelsusuallyreliesoncentralizedpowerplantsandheatingsystems,whichoftenresultsinhighenergycostsandlowenergyefficiency.Distributedenergysystems,whichcangenerateandstoreenergylocally,havethepotentialtoprovideamoresustainableandefficientsolutionforhotelenergysupply. Inrecentyears,manyresearchershaveproposedoptimizationmodelsforhoteldistributedenergysystemswiththeaimofreducingenergyconsumptionandcostswhileimprovingenergyefficiency.However,mostofthesemodelsfocusontheoptimizationofelectricitygenerationandoverlookthecouplingrelationshipbetweenelectricityandheat.Inthispaper,weproposeanewoptimizationmodelthattakesintoconsiderationthesupply-demandcouplingrelationshipbetweenelectricityandheatinahoteldistributedenergysystem. Modeldescription Theproposedoptimizationmodelisbasedonamixed-integerlinearprogramming(MILP)approach.Themodelconsidersthefollowingcomponents:electricitygeneration,thermalenergygeneration,energystorage,anddemand-sidemanagement.Theobjectiveofthemodelistominimizethehotel'senergycostswhilesatisfyingitsenergydemandandenvironmentalconstraints. Electricitygeneration Themodelconsidersseveraloptionsforelectricitygeneration,suchassolarphotovoltaics(PV),combinedheatandpower(CHP)systems,andelectricitypurchasedfromthegrid.Themodelselectsthemostcost-effectiveelectricitygeneration