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1、Multiple energy complementary system and the application prospect in smart cityGuangwei Ying2015/06/151.Introduction of smart city and the energy system features2.Introduction of multiple energy complementary system and the case study3.Application prospect of multiple energy complementary system in 2、smart city2Introduction of smart city and the energy system features3The definition of smart cityIBMIn 2008,IBM has proposed the concept of“smart planet”.Then,in 2010,IBM has proposed the concept of“smart city”,which is composed by water system,energy system,traffic system,communication system,and a3、lso people affairs.Source：IBM4Spatial and geographical information integration systemCloud computingThe intelligence of urban planning,construction,management and serviceBig DataElse new generation of information technologyInternet of thingsIntroduction of smart city and the energy system featuresTh4、e definition of smart cityCHINAIn (20141770),it has proposed that the smart city is composed by the new generation of information technologies,which include internet of things,cloud computing,big data and spatial and geographical information integration system.They will help us to improve the intell5、igence of urban planning,construction,management and service.Introduction of smart city and the energy system features5CharacteristicFactorsSmart CityBuildingSafetyCommerceGovernmentEducationMedicalEnvironmentIndustryEnergyHomeLogisticsTransportationTourismCommunityThorough PerceptionFull Utilizatio6、n of ResourceInformation IntegrationAccurate ControlExtensive InterlinkingEfficient CoordinationThe definition of smart cityCHINAIntroduction of smart city and the energy system features6Smart energy systemCEMS（community Energy Management System）Renewable EnergyEnergy StorageChanging Station/EVV2G（V7、ehicle to Grid）HomeCommerceIndustryDSMCHPElectricityEV InfrastructuresEV CentreHEMSBEMSFEMSHEMS：Home Energy ManagementBEMS：Building Energy ManagementFEMS：Factory Energy ManagementSub-EMS/Demand sideCEMSIntroduction of smart city and the energy system features7Comparison of average daily energy consu8、mption and CO2 emission in Beijing and ShanghaiIn 2014 Beijing,the average daily energy consumption was 21 ten thousand tons of standard coal,and calculated the CO2 emission was about 39 ten thousand tons;In 2013 Shanghai,the average daily energy consumption was 32 ten thousand tons of standard coal9、,and calculated the CO2 emission was about 61 ten thousand tons.Source：Calculate through the data from Beijing statistics office and Shanghai statistics officeTypical city energy consumptionUnit：ten thousand tons of standard coalIntroduction of smart city and the energy system features8Typical city 10、energy consumptionCurrently,in the energy supply system of Beijing and Shanghai,the energy consumption of coal and fuel have occupied 60%and their CO2 emission have occupied 80%.Therefore,the low-carbon energy resource shall be the important part of smart city.Introduction of smart city and the ener11、gy system features9The energy system features of smart citySafe and reliableEfficient andenvironment-friendlyEconomic andconvenientTraditional city energy system featuresSmart city energy system featuresSafe and reliableEconomic andconvenientLow-carbon andenvironment-friendlyMulti-efficientSupply-de12、mand interactionInformation&InternetMultiple energy complementary system and the case study10Multiple energy complementary systemIn multiple energy complementary system,it includes multiple energy resources,multiple power generation and supply methods.It is an energy system which composed by distrib13、uted generation,energy storage,heat pump and interactive electric energy management.The features are listed as follows:The distributed generation is mainly generated by clean energy.The objection is the comprehensive utilization of energy.According to the demand response,it will regional supply the 14、power,cooling and heating demands.The rate of comprehensive energy utilization can be normally above 70%.The supply-demand interaction can be realized,so it can both sell and purchase power from the bulk grid.11Heat energy storage systemSolar energyCogeneration unitsEnergy stationHeat consumerGeothe15、rmal resourcesCase studyMultiple energy complementary system in Copenhagen,Denmark In Copenhagen,Denmark,the area of central heat-supply service is 50 million m2,and the total supplied heating value is 34,500TJ.By using multiple energy complementary system,both economic dispatch and secure operation16、 of heat-supply service are achieved.Heat sourceHeating capacity（MW）Proportion of total heating（%）Heating supplied（TJ）4 garbage power plants4002793154 cogeneration power plants180070241501 geothermal resource142690Load shift water heater-1345Multiple energy complementary system and the case studyMul17、tiple energy complementary system and the case study12Case studyLow-carbon experience center,Tianjin Eco-cityStructure area is 12878 m2The renewable energy system can supply 60%of cooling,heating and water demands for the entire building.The power generation can supply 12%of load demand for entire y18、ear.Source：Tianjin Eco-city Website Multiple energy complementary system and the case study13Case studyMicro-grid demo project,GOLDWINDSource：GOLDWINDThe total power generation is 5 million kWh,it includes 1.6 million kWh of renewable energy and the proportion is 32%14There are two 50 megawatt LM60019、0PF gas turbine generator units and two 10 megawatt extraction condensing steam turbine generator units.It can supply power,industrial steam,heating and cooling demands,the water demand.The total energy conversion efficiency can reach 75%.Multiple energy complementary system and the case studyCase s20、tudyCombined cooling,heating and gas power system,Shanghai Xinzhuang industrial park 15There are three 4.4MW gas engine system units and one 1.25 MW small gas turbine unit.It utilizes exhaust heat for cooling and heating demands.It also keeps the high efficient power supply operation mode and can su21、pply all cooling and heating demands in Shanghai Tech University.Multiple energy complementary system and the case studyCase studyEnergy center,Shanghai Tech University 16The area of distributed generation station is 1.47 million m2,it includes 1.27 million m2 ground area and 0.2 million m2 undergro22、und area.The building height is 43m.It is combined cooling,heating and power system.There are six 4.4MW gas combustion units,six exhaust heat lithium bromide units,ten 2000RT electric centrifugal chiller units,two 12000 m3 water tanks and two 7MW gas boilers.Multiple energy complementary system and 23、the case studyCase studyDistributed generation station,China Expo17The floor area of Shanghai Tower is 30,368 m2,and the structure area is 574,058 m2.There are up and down energy centers.The down energy center is utilizing multi-cooling source system,which includes combined cooling,heating,power sys24、tem,conventional electric cooling system,ground source heat pump and ice-storage system.Case studyCentral air conditioning system,Shanghai TowerMultiple energy complementary system and the case study18In first-state project,the structure area is 135988m2 There are ice-storage system,base load centri25、fugal centrifugal units,ground source heat pump air condition cooling load,and thermal storage of hot water for winter heating load.Multiple energy complementary system and the case studyCase studyEnergy storage and ground source heat pump central air-conditioning room first-state project,State Grid26、 customer service center Multiple energy complementary system and the case study19Case studyNational Energy Distributed Energy Technology R&D CenterMultiple and micro energy complementary system Energy source：1.Bulk grid 2.Solar 350kW 3.Gas turbine 65kW4.Internal combustion engine 2*315kW5.Fuel cell27、100kWEnergy output：Power,steam,hot water,cooling20Multiple energy complementary system and the case studyCase studyNational Energy Distributed Energy Technology R&D Center21Multiple energy complementary system and the case studyEnergy supply systemInternal combustion engineRoof PV system Case studyN28、ational Energy Distributed Energy Technology R&D Center22Multiple energy complementary system and the case studyEnergy storage systemIce-storage/electric thermal storageRegenerative using gas heatMobile regenerativeChemical storage Case studyNational Energy Distributed Energy Technology R&D Center2329、Multiple energy complementary system and the case studyEnergy consumption systemCase studyNational Energy Distributed Energy Technology R&D CenterOffice buildingElectro-mobileGymnasiumDorm24Multiple energy complementary system and the case studyMicro-grid and energy management systemMEMSTopologyList30、CircuitFailure alarmHistorical alarmComm-StatusReportEquipment monitoringReal-time alarmControl strategy Micro-grid and energy management system(MEMS)can obtain the optimal energy regulation of cooling,heating and power.It can dispatch energy output with reasonable management，which can achieve the e31、conomic,green and secure operation as well as supply-demand interaction.Therefore,it can sell and purchase power from bulk grid.Case studyNational Energy Distributed Energy Technology R&D Center25Multiple energy complementary system and the case studyTest working condition 12315KW Internal combustio32、n engineGas40Inter cooling waterHeating supply 259.73kW170 smoke ejectExhaust heat hot water lithium bromideCooling528.03kW400 Flue gasHeat exchangeHeating supply81.94kWUtilization efficiency of the original fuel：89.30%Fractional energy saving：36.15%Plate exchangerPower Generation 2315KW91 Jacket wa33、ter7 cooling water60domestic hot waterCase studyNational Energy Distributed Energy Technology R&D Center26Multiple energy complementary system and the case studyTest working condition 2Heating464.66kWHeat supply66.58kWHeatingCase studyNational Energy Distributed Energy Technology R&D Center40Inter c34、ooling waterUtilization efficiency of the original fuel：84.13%Fractional energy saving：40.84%Plate exchangerHeating supply 259.73kW2315KW Internal combustion engine91 Jacket waterPower Generation 2315KW155 smoke eject for exhaust heatExhaust heat hot water lithium bromide60domestic hot water400 Flue35、 gasHeat exchange27Multiple energy complementary system and the case studyefficiencyTime tPassive controlActive control“Active”energy storage:it concerns both power supply and consumers Energy storageConsumer sideConsumer sideRegular Gen.Distributed Gen.Dynamic load performance Cooing and heating lo36、ad performanceExhaust hearing refrigeration/heat pump variable working condition PV dynamic performanceEnergy storageActive control technology of the system working conditionCase studyNational Energy Distributed Energy Technology R&D Center28Application prospect of multiple energy complementary syst37、em in smart cityThe advantages of multiple energy complementary systemApplication prospect of multiple energy complementary system in smart city29Multiple energy complementary system can efficient combine gas,wind,solar and other energy,which can lead to a low carbon urban pattern.Source：Central res38、earch of electric power industryThe CO2 emission of different energy resources Application prospect of multiple energy complementary system in smart city30Multiple energy complementary system has different energy supply forms,which include combined cycle,combined heat and power generation,distribute39、d generation.It can highly improve the energy efficiency.Generator typeGenerating efficiency(%)Overall efficiency(%)Gas turbine24-4270-85Internal combustion engine33-5375-85Combined cycle gas turbine 34-5569-83Fuel cell40-7075-85Application prospect of multiple energy complementary system in smart c40、ity31Multiple energy complementary system has changed the unidirectional energy flow in traditional power generation,it can achieve the supply-demand interaction by interacting and managing energy and information.Source：“The Energy Cloud is Transforming the Power Sector”by Jan VrinsApplication prosp41、ect of multiple energy complementary system in smart city32Multiple energy complementary system can provide multiple kinds of energy,which can ensure the secure and reliable energy supply for our cities.Application prospect of multiple energy complementary system in smart city33Develop the multiple 42、energy complementary system in smart city 34Thanks!Thanks!The information is from publications and research of National Energy Distributed Energy research Center(NEDEC)and China HuaDian Electric power Research institute(CHDER).For more information,please contact:Mr.YING Guangwei Tel:+86-571-85246777E-mail:guangwei-