green electricity 绿色能源ppt课件.ppt

Greenelectricity Sustainableenergy EnergyStar Smart grid Contents Abriefintroduction Energyefficiency Sustainableenergyresearch 1 2 3 4 Introduction Sustainableenergy orgreenelectricity isthesustainableprovisionofenergythatmeetstheneedsofthepresentwithoutcompromisingtheabilityoffuturegenerationstomeettheirneeds 可持续能源是可持续的能源供应 以满足目前的需求 又不损害未来后代满足他们的需求的能力 促进可持续能源的技术 包括可再生能源 如水电 太阳能 风能 波浪能 地热能 潮汐能 同时也包括设计为提高能源利用效率的技术 Effectively theprovisionofenergysuchthatitmeetstheneedsofthepresentwithoutcompromisingtheabilityoffuturegenerationstomeettheirownneeds SustainableEnergyhastwokeycomponents renewableenergyandenergyefficiency RenewableEnergyandEfficiencyPartnership British 实际上 提供能源满足现在的需求 而又不损害未来后代满足他们自己的需要的能力 可持续能源有两个主要组成部分 可再生能源和能源效率 可再生能源效率伙伴关系计划 英国 Energywhichisreplenishable 可补充的 withinahumanlifetimeandcausesnolong termdamagetotheenvironment JamaicaSustainableDevelopmentNetwork 能源是在一个人的一生期间是可补充的 并不会造成长期的对环境的破坏 牙买加可持续发展网络 Energyefficiencyandrenewableenergy Renewableenergyandenergyefficiencyaresometimessaidtobethe twinpillars ofsustainableenergypolicy Bothresourcesmustbedevelopedinordertostabilizeandreducecarbondioxideemissions Efficiencyslowsdownenergydemandgrowthsothatrisingcleanenergysuppliescanmakedeepcutsinfossilfueluse Ifenergyusegrowstoofast renewableenergydevelopmentwillchasearecedingtarget Likewise unlesscleanenergysuppliescomeonline 投入运行 rapidly slowingdemandgrowthwillonlybegintoreducetotalemissions reducingthecarboncontentofenergysourcesisalsoneeded Anyseriousvisionofasustainableenergyeconomythusrequirescommitmentstobothrenewablesandefficiency EnergyStar EnergyStarisacompanyprovidesenergyefficiencyproductsforindividualsorbusinesses ItisoriginatedintheUSA butnowitbecomesaninternationalstandardenergyefficiencyprovider IfyouseetheEnergyStarlabelonalaptoporprinter thatmeanstheproductisintheEnergyStarprogramwhichisaimingathelpingcustomerstosavemoneyandreducegreenhousegas Smart gridtechnology Smartgridreferstoaclassoftechnologypeopleareusingtobringutility 实用 electricitydeliverysystemsintothe21stcentury usingcomputer basedremotecontrolandautomation Thesesystemsaremadepossiblebytwo waycommunicationtechnologyandcomputerprocessingthathasbeenusedfordecadesinotherindustries GreenEnergy Greenpowerisasubset 子集 ofrenewableenergyandrepresentsthoserenewableenergyresourcesandtechnologiesthatprovidethehighestenvironmentalbenefit TheU S EnvironmentalProtectionAgencydefinesgreenpoweraselectricityproducedfrom solar biogas 沼气 geothermal hydroelectricity wind Solar Theprimaryobstaclethatispreventingthelargescaleimplementationofsolarpoweredenergygenerationistheinefficiencyofcurrentsolartechnology Atthisrate manyexpertsbelievethatsolarenergyisnotefficientenoughtobeeconomicallysustainablegiventhecosttoproducethepanels 镶嵌板 themselves MIT sSolarHouse 1builtin1939usedseasonalthermalenergystorage STES foryearroundheating Asolartrougharrayisanexampleofgreenenergy Wind Windenergyresearchdatesbackseveraldecadestothe1970swhenNASAdevelopedananalyticalmodeltopredictwindturbine 涡轮 powergenerationduringhighwinds Today bothSandiaNationalLaboratoriesandNationalRenewableEnergyLaboratoryhaveprogramsdedicatedtowindresearch Awindfarmisagroupofwindturbinesinthesamelocationusedtoproduceelectricpower Alargewindfarmmayconsistofseveralhundredindividualwindturbines andcoveranextendedareaofhundredsofsquaremiles butthelandbetweentheturbinesmaybeusedforagriculturalorotherpurposes Awindfarmmayalsobelocatedoffshore A01KiloWattMicroWindmillforDomesticUsage 5KilowattVerticalaxiswindturbinebyGreenEcoSys ElectronSolarEnergy Ethanolbiofuels 乙醇生物燃料 Thelargestsingleuseofethanolisasamotorfuelandfueladditive Morethananyothermajorcountry Brazilreliesonethanolasamotorfuel GasolinesoldinBrazilcontainsatleast25 anhydrous 无水的 ethanol Hydrousethanol about95 ethanoland5 water canbeusedasfuelinmorethan90 ofnewcarssoldinthecountry Brazilianethanolisproducedfromsugarcaneandnotedforhighcarbonsequestration 隔离 TheUSusesGasohol max10 ethanol andE85 85 ethanol ethanol gasolinemixtures Geothermal Geothermal Geothermalenergyisproducedbytappingintothethermalenergycreatedandstoredwithintheearth Itisconsideredsustainablebecausethatthermalenergyisconstantlyreplenished However thescienceofgeothermalenergygenerationisstillyounganddevelopingeconomicviability Severalentities suchastheNationalRenewableEnergyLaboratoryandSandiaNationalLaboratoriesareconductingresearchtowardthegoalofestablishingaprovensciencearoundgeothermalenergy Hydroelectricity Hydroelectricityisthetermreferringtoelectricitygeneratedbyh