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机械外文翻译--能提供低成本风电的新型风力机.doc

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机械外文翻译--能提供低成本风电的新型风力机.doc

LowcostwindpowercanprovideanewwindturbineAbstractThefirstgenerationofcommercialproliferationofenhancedwindturbineDAWTinNewZealandhasjustbeguntrialoperationtwoyears,ifthedeveloperstoachievetheexpectedresults,thisnewdesignofwindmachinestobesignificantlyreducedcostofwindpower.NewZealandinthedistanceabout100kmAokelannantheWaikaretuontopofahill,arevolutionarynewwindturbineisatwoyeartrialoperation.Thewindmachinesandtheappearanceofconventionalwindturbinecompletelydifferentcomparedtoitsheightof17m,muchlikeaJuwusquattedonthePeak,andtheconventionalwindturbineisaslenderbody,tallandtoweringoverthetopofthehill.ThisisputintooperationthefirstgenerationofcommercialproliferationofenhancedwindturbineDAWTdiffuseraugmentedwindturbine,ifthedeveloperstoachievetheexpectedresults,willleadtosignificantreductioninthecostofwindpower.Duringthetrialthenewwindturbinetechnology,canalsotesttheproliferationofCentralCovernewmaterials,highstrengthfiberstostrengthenthesteelreinforcedconcrete.Suchwindturbineonthegroundreferredtoasconcretewindturbine.Inbusiness,itiscalledVortec7ofwindmachines,becauseithasa7mindiameterrotor.Windmachinesfromnearly100smallinvestors,setupaprivatecompanyVortecEnergyLimitedresponsibleforthedesignandconstruction,thecompanyraised3.5millionU.S.dollarsdevelopmentoftheprototype.VortecEnergyLimitediscurrentlybeingfurtherraiseabout700milliondollarstobuildtwosetsofrotordiameterof20moftheunit.Oneofthenewunitswillbeinareasofhighwindspeedtest,probablyinthevicinityofWellington,NewZealand,theaveragewindspeedinanotherarea.SouthAustraliastategovernmentsaidthatthedesignhasalotofinterestinAdelaideandwillspeeduptheinstallationofanaveragewindspeednearthecrew,becausethestategovernmentthatisararewindofrenewableenergy,theneedtopromotetechnicalbreakthroughsstateadvantageofthemoreLoweraveragewindspeedresourcedevelopment.Twonewtypeofrotordiameterof20moftheunitafterthesuccessfuloperation,VortecEnergyLimitedwillconsiderthepossibilityofNasdaqStockExchange.Vortec7unitperformancedatashowthattherotordiameterof20mbelowthedesignto0.031U.S.dollars/kWhthepriceofInternetaccess,itwillenableNewZealandandwindpowercancompeteexistingpowerplants,andothernewmethodsofpowergenerationcomparedtomoreCompetitive.IfVortecfunctionofwindpowergenerationinthispricelevel,inthedevelopmentofwindpowerwillrapidlybecomeapowerfulnewforce.VortecEnergyLimitedisthebackingofentrepreneursRobinJohannink,hesuccessfullyoperatingaseriesofoperations,butalsoPacificLithiumanextractfromseawaterlithiumcompaniesbacking.Johannink,saidVortectechnologyisaninternationalproduct,butthetechnologyintheNewZealandstockmarketwasontherecognitionandattentionisnottoohigh,inthisdifficultmarket.ThereforeVortecEnergyLimitedisconsideringtheNasdaqinNewYorkStockExchangelistingislikelytoachievein1999.AproliferationoftechnologyU.S.aerospacegiantGrummanSpaceCompanynowNorthropGrummanCorporationspenteightyearsdevelopingtheproliferationoftechnologyandaproliferationofenhancedwindturbinetechnologypatents.Itwasthespreadofadetailedanalysisoffluiddynamicsandtheuseofa5minthewindtunnelmodelconfirmedtheresults.Theproliferationofwindturbinerotorinthelowerreaches,anditsroleasawing,therearrotorinalowvoltageparts.Thissuctioneffecteffectiveinaroundtherotorspeedmultiplied.Conventionalwindturbinerotorcanonlybeeffectiveuseofwindaround60percent.showapatternofproliferation.Theproliferationofeconomyisthekeytothelowestcosttomaximizethesize.Windtunnelstudiesshowthatin45degreeproliferationstructure,thewallofsurfacewindflowmaybetwoslotmaintainedbythejet.Intheprototype,thetotalsizeofthespreadoffurtherreduction,throughtheuseofgeneralandexportsindiameterthan30percentofthearcstructure,enhancethehardnessofCentralenclosures.Sothatthedesignhasbeenchosentoreceivetheminimumamountofmaterialthesizeofthegreatestproliferation.VortecEnergyLimitedwasawardedtheNorthropGrummanCorporationwiththeproliferationoftechnologyforaperiodof20yearsofglobalpatentsand20patentssincetherighttoupdatethepermit.NorthropGrummanCorporationtoretaintheirowninternaluseoftheproliferationoftechnologyratherthanenhancethecommercialmarketforwindrights.KennethForeman,formerGrummanSpaceresearchteamleader,VortecEnergyCorporationfortechnicaladvice,VortecEnergyLimitedaccesstotheGrummanSpaceResearchGroupeightyearsonalltherecords,testreportsandpatents.2materialstechnologyGrummanSpaceResearchGroupinthedevelopmentofproliferationenhancingtechnologiesinthefaceofaproblemisthatcommercialscalewindturbinematerialsmusthavehighstrengthandlonglife,lowcostfeatures.Havealuminum,glassfiber,steelandreinforcedconcreteforthetraditionalassessmentandaccounting,butthewindcannotmeettherequirementsofeconomicdevelopment.Inalltheassessmentmaterials,themostdesirableisreinforcedconcrete,buttheuseoftraditionalreinforcedconcrete,thesizeofthespreadofthewindratedoutputcanonlymeet70kW.Assmallscaleunitscannotenhancethediffusionoftechnologybusinessdevelopment.NewZealandintheuseofreinforcedconcretetowersandtheconstructionofoceangoingboatssuchequipmenthasalonghistory.Onthisbasis,thestructuralengineerAlexanderandAssociatesin20yearshasdevelopedanewproducthighstrengthfiberstostrengthenthesteelreinforcedconcrete.Thisnewmaterialbendingstrengthisthreetimesthelowcarbonsteel,basicallydonotneedmaintenance.Thisnewmaterialcouldbeeconomictobuildtheproliferationoflarger,sothatthereissufficientwindmachinesandconventionalwindturbineoutputofthecompetition.Prototyperotordiameterof7m,heightof17m,thehighestoutputfor1MW.Willbetheconstructionoftwounitsusingtherotordiameterof20m,high52m,andeffortsto3MW.Theproliferationoftheuseoftwotier3m1m30mmofhighstrengthsteelfiberreinforcedconcreteslabofreinforcedcompositeformed.FirstlaminatealongthecomplexframeworkofthenecessarytwowayWanchengsurfaceandfixedinplace.Thesecondlaminateontop,bending,andthenfillinginthefoundationboardsurfacetwowaylock.Quthenthesepanelsbondedtogether,andthehardenededgeofdealingwithaproliferationofsegment.CompleteassemblyoftheproliferationofgoodbeforetheAcademyofEngineering,UniversityofAucklandinthesingleplateassemblyandagoodsegmentofthespreadofthestresstestsamples.3equipmentbalanceInadditiontoenhancingtheproliferationoftechnologyandmaterialstechnology,windmachinesareallconventional.Rotorequippedwithafixedpitchofthefourleaves,leavesfortheweldingofthesteelstructure,thesurfacematerialforglassfiber.DavidBrownthrougharotorspeedgearboxoraconventionaldrivers1200min1,400VoftheABBcompanyssynchronousgenerator,invertergeneratorsrunning.Rotor,gearboxandgeneratorfromtheU.S.NewWorldPowerCompanyNewWorldPowertoprovide.FrequencyACDCrectifierfirst,andthentheinverterforAC50Hz,thestepuptransformerintothelocalelectricitycompany11kVpowergrid.Rectifier/converterequipmentfromAucklandcompanySantonTechnologyCo.,Ltd.designandmanufacture,thecompanybatterychargersandspeeddrivemanufacturershaveyearsofexperience.Takingintoaccounttheproliferationofsize,needsalargeandstablefoundationtopreventthewindloadsandseismic,Lodging.Equipmentwasinstalledtoalargediametercircularorbit,thewindmachinecanalongits360degreerotation,therotatingdeviceontrackwiththewindcontrolsystemforelectricaldevices.Thisarrangementprovidesthefoundationforstability.Becausethistypeofwindturbinecouldavoidtheproliferationofhighwindsandaprotectivecoverfromtherotorimpactontheabilityofstrongwinds,whichdonotneedtocontrolasimpledesignoftherotorbladepitch.Thismakesthistypeofwindturbineisverysuitableforuseinwindyareas,andmaintenanceisverysmall.4designadvantagesTheproliferationofenhancedwindmachinescomparedwithconventionalwindturbinehasmanyadvantages,includingLownoise.Conventionalwindturbinenoisefromthemaximumspeedatthetopoftherotorandbladethroughtothepillars.InVortecunit,therotorwasahighdensitymaterialcoveredbytheproliferationof,whichpreventthenoisefromtherotorendofthefieldradiationandthereforedidnot,aswithconventionalequipment,amajorpillarofthenoise.Lessland.Onthesametermsofenergyoutput,Vortecunitcomparedwithconventionalwindturbinerequireslessspace,reducingthelandpurchaseandrentalcosts.Withoutaffectingthelandscape.Vortecuniteasilypaintedvariouscolors,whenwatchedfromadistancewhenintegratedwithavarietyofbackgrounds,equipmentDunzuotheshapeandundulatingmountainvillageiscoordination.Decaymaygust.Theproliferationofincreaseinoutputatthesametime,butalsoasawaythrottle,thepeakwindgustdecay,thusreducingtherotortowithstandthefluctuationsanddriveawayfromthestress.Birdslessimpact.Despitethewindfunctionpainteddifferentcolorstoreducethevisualimpact,butthebirdflewneartheveryeyecatching,nobirdsimpactoftherapidlyrotatingbladesofthewindmachineaccident.Infrastructurecostsandlowcostpowergeneration.Windmachinesuseaverysimplesetpitchleaves,ordonotneedtopitchcontrolbrakecontrolsystem.Thiswillsignificantlyreducemaintenancecosts,particularlyinNewZealandsstrongwinds,andtheequipmentavailabletoensureahighrate.5prospectsRotordiameterof7mprototypewindturbinewillbeconductedsixmonthsoftrialoperation,thecontrolsystemcarefullydebugandverifythedesignparameters.Initialmeasurementsshowedthatthewindturbinerotorwindspeedincreasedabout1.72times,andthisGrummanSpaceResearchGroupinthecalculationof0.5mandtheirmodelontheresultsofwindtunneltestmatch.VortecEnergycompanieshaveaccesstoNewZealandScienceandTechnologyResearchFundoftheMinistryofbusinessdevelopmentfundingofabout350,000U.S.dollarstopayforsixmonthsthecostofthetrialperiod.SurveillanceandtestingprogrammeoftechnicalsupportfromtheIndustrialResearchLtdIndustrialResearchLtd.AdvisoryGroupandtheUniversityofAucklandAucklandUniservicesprovide,inadditiontotheinvitationoftheBritishwindenergyconsultinginternationalexpertsGarradHassanindependentinspectionandmonitoringunitVortec7thetrialoperationPlan.

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