建环设计-韩外文翻译

Refertotheapplicationoftheairconditionwiththewarmenergyefficiencydesign ]high-risebuildingsaslowutilizationrateofnaturallight,poorindoorventilation,poorinsulationcapacityofexternalstructureofrenewableenergyutilizationofcommonarticleaboveproblemsexistinenergy-savingdesign.TheconsumptioninChineseruralhousingis3~5timesasmuchasthatinthedevelopedcountries.Soit’snecessaryandurgenttotakeeffectivemeasurestosaveenergyinruralhousing."Frequency"adoptedmoreadvancedtechnology,itischangedbythefrequencyconverterpowerfrequency,andtransformtherunningspeedofthecompressorofatechnology.Andonthedevelopmentdirectionoffrequencyconversionairconditioning,dcinverterandtrumpetsistheinevitabletrend.Keywords:High-RiseBuildingcountrysideEnergyConservationAppliedResearch，frequencyconversionairconditioningTheThermalcomfortistheconditionofmindthatexpressessatisfactionwiththethermalenvironmentandisassessedbysubjectiveevaluation(ANSI/ASHRAEStandard.MaintainingthisstandardofthermalcomfortforoccupantsofbuildingsorotherenclosuresisoneoftheimportantgoalsofHVAC(heating,ventilation,andairconditioning)designengineers.Forcreatingcomfortableindoorairconditionenvironment,havetoconsumeagreatdealofenergy.Warmtheairconditioncanconsumeisthebuildingcanconsumemediumofbigdoor,residetostatisticsawarmanairconditionintheflourishingnationandcanconsumetohave65%thatbuildingcanconsume,canningconsumetosharebybuildingalwayscanconsumeof356%calculation,warmtheairconditioncanconsumetoshareandalwayscanconsumeofthecomparisonisupto22.75%unexpectedly,beshowedfromthisthebuildingeconomyenergyworkofpointshouldbewarmtheeconomyenergyoftheaircondition.Theairconditioncanconsumetoconstituteandcanseefromthewarm:Warmtheairconditionsystemconsumemainthedecisioniscoldintheaircondition,hottheburdenreallycertainlyinstallswiththereasonableoftheairconditionsystem,thedecorationoftheairconditionsystemandthechoiceoftheair-conditiontaketheairconditionburdenasbasisof.Sowarmairconditioneconomyenergyofthekeyistheairconditiontheexternalworldtocarrytocarryandinnerpartreallysettle,andwarmairconditioneconomyenergytheworkshouldalsobeginfromthisaspect,reasonabledecorationbuildingofposition,theexactitudechoosestheshapeandmaterialetc.oftheoutsidewall,door,window,roof,reducingairconditionburdenasfaraspossible.TheinfluenceoftheindoorWarmtheoftheairconditionisforpeopletoprovidecomfortablelifeandproduceindoorhotenvironment,mainlyincluding:IndoorairtemperatureAirdegreeofhumidity、Thecurrentofairspeedandhumanbodyandtheradiationofthesurroundingsenvironment(includefourwalls,grounds,crests)itschangeheat(Callenvironmenthotradiation)etc.。Takecanmakethehumanbodyholdthebalancebutsatisfypeople'scomfortablefellingasapurposeinthegeneralcomfortablesexcondition;Intheconstanttemperaturewetlyorhavethecraftairconditionof[with]cleanrequest,everythingtakessatisfyingtoproduceacraftasa.Butthebuildingofthehousethehotworkdesignistheheatthatthefittinglandutilizationusesthehousemaintenancestructuretoleadsex,resistingthevarietyoftheoutdoorsweather,makingcomfortabletinyweatherofcreationinsidetheroom.Roundtoprotectawarmofstructuretheinfluenceof[with]airconditionRoundtoprotectstructuretoincludetheoutercirclestructurewithinsideroundtoprotectstructure.Theoutercircleprotectsstructuretomainlyincludethehousenoodles,outsidewallandwindows;(includetheverandadooretc.)Insideroundtoprotectstructuretomainlyincludeinground,crest,insideseparatewalletc.Inadoptthewarmbuilding,thecomparisonthatroundstoprotectstructuretotransmitheathotlosstosharetotalheattoloseisbigger,with4units6thebrickwall,theconcretebuildingknotholetypicalmodelofthelayersmanylayerbuildingsforexample,theregioninPeking,passtoroundtoprotectstructuretotransmitheathotlose77%ofhavetheallhotloss;(amongthemoutsidethewallis25%,thewindowis24%,thestairspartitionwallis11%,thehousenoodlesis9%,theverandadoorthelowerpartis1%,theoutsidedooris1%,ground4%)Theairthatpassesthedoorsandwindowsblindsidepermeatehotlosetohave29%about.Beshowedfromthisanimprovementtoroundhotworkfunctionofprotectthestructureairconditioneconomyenergytohaveimportantmeaningforthewarm.InfluenceconstructedtheprogrammingdesignairconditioneconomyenergytothewarmProgramadesignconstructtheimportantaspectof[with]theeconomyenergydesign,programingeconomyenergyadesignshouldchooseanaddressfromtheconstruction,centered,thebuildingandroadsetupignment,buildingdirectionstoward,buildingtypeoffigure,buildingbeapartfrom,wintermonsoonpredominancedirection,thesunradiation,buildingtheexteriorspaceenvironmentconstituteetc.carryonaresearch.Withexcellentturnthetinyweatherofthebuilding;Beadvantageoustoeconomyenergy,fullvalueandmakeuseofthesolarenergy,winterpredominancedirectionofwind,geographyandgeography,makeuseofnaturalfactor.Thedesignofeconomizeonenergytheprogrammingisthebeneficialanddisadvantageousinfluenceofdecisionfactor,theradiationfactor,theatmospheric-circulationfactorandthegeographyfactorthatyzestomakegood,passingabuildingoftheprogramminglayoutcarriesontotheabove-factorfullmakeuseof,reformation, etoliveaconditionandbeadvantageoustothetinyweatherenvironmentof[with]economyenergygoodly.Theflankofthebuildingofgreenturntohavealreadydefendedbreezeandseparateavoice,dustpalliativeandbeautifyenvironmentnotonlyoffunctionandforbuildingtheeconomyenergyalsohasanimportantfunction.Becausethetreecanabsorbhumidityfromtheroot,leadingleaf'snoodlestoevaporatetogether,loweringtheairtemperaturethus,secondlythetreeisgoodhidethesunfunction,makethusthebuildingbesubjectedtodirectlyofthesunradiationandgetfromthegroundoftheradiationheatreduce,twoisthefunctionthatthetreehasleadingbreezeandblocksbreeze.Inaddition,thegroundwillreflecttheradiationnotonly,anditsradiation eagainaftergoesupnewofhotradiationsource.Sogrowgrassandplanttreesasfaraspossible,avoidthegroundsoilbare,andreducetheotioseandbigareaconcretegroundforreducetheairconditionburden,thepurposethatattainseconomyenergyisacountformuchmeans.Andoutdoorsenvironmentsweepforcleanairconditionsystemofvalidcirculateandtheairconditionboxthelifespanofthefilterisalsobeneficial.Theproblemofpoorbuildingenvelopeinsulationoftenoccurinthehigh-risebuildingdesign,theexternalstructureofthebuilding,includingtheroof,exteriorwalls,windows,aswellasgroundandotherpartsforhigh-risebuildings,duetoitsverticalsurfaceareaismuchlargerthanthelateralroofarea,buildingroofs,exteriorwallsandbuildingsoutsidethewindowinsulationabilityto ethedecisivefactortomeasurethebuildingenvelopeinsulationability.themainfactorstoaffecttheenergyefficiencyofbuildingexteriorwallmaterials,aswellastheimpactenergy-savingeffectofthewallmaterialexternalwallfinishes,East,Westexteriorwallshade,wallstructureform.一、theproblemofhigh-riseFoundinthestudy,high-risebuildingfacadesshouldsettheinsulationlayer,doubleglazing.Xi'anHigh-techZoneChhnangInternationalBuilding,exteriorwallsofaeratedconcreteblock,didnotsettheinsulationlayer,makingtheofficebuildingheatingandairconditioningenergyconsumptiontheproportionoftotalenergyconsumptionupto60.27%.,whenthebuilding'sexteriorglasscurtainwallwiththeplug-aluminumcompositepanelstructurepractice,butitsheatingandairconditioningenergyconsumptionisgenerallyhighersetpolystyreneboardinsulation,suchasMongBlockNewTown,BlockBandBlockD,heatingandairconditioningenergyconsumptionbyupto54.62%to56.08%.choiceofwindowtypes,ysisshowsthathaveadoptedthesingle-layersingle-glasswindows,heating,airenergyconsumption,energyconsumptionupto56.8%to60.27%.addition,alsofoundthatalmostnohigh-risebuildingstotakethetheshadingmeanstoreducetheenergyconsumptionofheatingandairconditioning,especiallyinthewesttoshadeoftheproblemdeservestheattentionofdesign1theventilationIntroductionofnaturalventilation,ontheonehand,organizedintheformofbuildingspace,asfaraspossibletheformationofdrafts,easiertoachievethispointinthebarrisebuildingsasfaraspossibletoorganizehigh-levelpoint,betweentwoverticalwallswindowsventilationnaturalventilationorganizationsneedabiggerwindowtowallarearatioandtheformationofthepathofthewindcanalsobecombinedwithdoubleglazingtoachievecooling.abroad,thebuildinghas eatrendintheuseofventilation,alotofbuildingsinthedesignThestagesareconsideredstructuralsystemofventilation,suchastheEastgatebuildinginZimbabwe,theoutskirtsofNorthampton,centralEnglandBarclaycardheadquartersbuilding,adoptedthisformofventilationstructure.2、theexternalstructure(1externalstructurematerialforthecurrentstatusquoofthehigh-risebuildingenvelopematerial-basedentityretainingstructureandtransparentbuildingenvelope,andnotaload-bearingstructure,moreflexiblematerialselectedbasedonhigh-risebuildingsexternalstructureForphysicalenvelope,shouldtrytousethethermalconductivityofporous/hollowblocksoraeratedconcreteblock,withtheexteriorinsulationandreasonablearearatioofwindowtowallcontrolbyexternalstructureinsulationinsulationwithtotheenergylossincoldregionswithhotsummerandcoldwinterzonebordercity,shouldminimizetheuseofglasscurtainwall.Whenthephysicalbuildingenvelopeinsulationrequirements,transparentenvelopestructureshouldfollowthefollowingmeasures:tominimizetheuseofglasscurtainwall,controlreasonablearearatioofwindowtowallcontrolareacanbeopenedtotheorganizationventilation,useenergy-savingglassandwindowframesmaterials,attentiontocontrollingthesealingperformance.(2wallfinishesoutsidetheexteriorfinisheslineofdefenseagainstexternalclimateimpactisthebuildingenvelope,thethermalperformanceofthematerialwilldirectlyaffectthethermalperformanceofthebuildingenvelope.Finishesoutsidethebuildingwallenergyefficiencydesignthefaceofthesunradiantheatabsorptioncoefficientmanifestedmainlybytheappearanceofthebuildingenvelope:theroomcoolingstate,theenergyconsumptionoftheroom,thesecondisthedirectimpactofthewallheattransfercoefficient,Third,isthehighesttemperatureoftheinnersurfaceofthewalloftheroominthestateofnaturalventilation.<<residentialbuildingenergyefficiencydesignstandards>>provides:Thebuilding'sexteriorisa"light-coloredouterfacings(solarradiationabsorptioncoefficientof<0.6"energy-savingmeasurescanattach"theequivalentofanadditionalthermalofthemeasures0.2"inthecalculationofthetotalthermaloftheexteriorwhentheexteriorwallheattransfercoefficientduetoitscompositionandbuildingenergyefficiencydesignstandardscannotbeachieved<<>>requirements,"Shallowthecolorfinishesoutsidetheenergy-savingmeasureseaaterial,including200mmthickreinforcedconcreteheattransfercoefficientcanmeet"Energyconservationdesignstandard"provisionsoftheheattransferperformancecanbeexternalfinishesofthebuildingtiles,paint,stoneandmetalcurtainwallmaterialsandsoon,thetypicalexternalfinishes,tileandpaint.energy-savingdesignwithlight-coloredfinishesoutsideorlight-coloredouterfinishisclearlybeneficial.3、wallexteriorExceptenvelopethechoiceofstructuralmaterials,butalsoincreaseconstructionshade,inordertoreducetheenergyconsumptionofheatingandairconditioning.Thebuildingshadinghorizontalshade,verticalshade,shade,canbecombinedwiththefacadedesignintentdesign,inparticular,shouldpayattentiontotheWest,totheshadeofthebuildingenergyconsumptionsavings.<<residentialbuildingenergydesignstandards>>provisions:theconstructionofthe"East,Westfacadesplaidmember,orlianasshade(transmittance<0.5"energy-savingmeasures,thecalculationofthetotalthermaloftheexteriorwalltoattachtheequivalentthermaloftheinsulationmeasures0.3,theeastandwestexteriorshade"shouldbeconsideredintheenergy-savingdesign,veryseriousXiaTi,westernexposureareasEastandWestwallshademeasuresneedtobestrengthenedinthisregardcanlearnfromthetropicalregionsofthecity,suchasMalaysiaandKong'sexperienceinthedesign,theshademeasurestheuseofhigh-risebuildingsinbringingbettershadeinthesecities,butalsorichbuildingfacade,anincreaseoftheurbanlandscape.二、theuseofrenewableEnergyuseinthesystem,weshouldtrytodeveloptheuseofrenewableenergy,suchassolarenergy,geothermalenergy,windenergy,hydropower,biomassandotheruseofwindpower,solarphotovoltaicpowergeneration,wastepowergeneration,solarthermal,geothermalandbiogaspowergeneration,toreducethedependenceofthenon-renewableenergyandelectricity,,hotwater,andsecondaryenergy,suchascoalandnaturalgas.example,splitairbuildingproposedadditionalgroundsourceheatpump,whichcangreatlyreducetheenergyconsumptionofairconditioningsystemsscrewchillersbuildingtheproposedincreaseinthethermalstorageunit,thewasteheatofthecoolingtowershouldberecycling,heatpumpasnewtypeofenergy-savingtechnologies,shouldalsobeconsideredintheofficebuildingusingabouttheuseofsolarenergy,theuseofsolarheatinginthewintersummersolarcoolingsystem,solarphotovoltaicsystemandhotwatersystemcanbeusedthroughouttheyear.Theenergyconservationmaysayisthebuildingcharacterautomaticcontrolsystemstartingpointandthehometoreturnto.Itiswellknown,intheinligentconstruction,HVAC(heating,ventilatesandairconditioning)thesystemconsumestohavetooccupythebuildingconsumptiontotalenergyenormouspartialproportions,approximayabout50%~60%.Speciallycold:Easttheunit,thecoolingtower,thecirculatingwaterpumpandtheairconditioningunit,thenewatmosphereunit,allareconsumesenergythebighousehold.Thereforereallyhasessentialdevelopsoneeffectiveair-conditioningsystemenergyconservationmethod,especiallyusesisinimprovesintheexistingbuildingair-conditioningsystemautomationtheaspect.DDC(Directdigitalcontr01)thedirectofnumericalcontrol,isastructuresimpleoperationeasycontroldevice,itmayborrowbytheconnectionswitchesovertheequipmenttomakethesystemscontrolalongwiththeloadchange,liketheairconditioningcoldwatercirculatorysystem,theairconditioningboxfrequencyconversionautomaticamountofwindadjustmentandthecoolingtowerradiationventilatorfrequencyconversionholdscontrolsandsoon,mayletanair-conditioningsystemmoreeffectiverevolution,likethis,notonlybringstheverybigeconomicefficiencyfortheestatemanagement,moreoveralsomaycausethesystemtomoveunderabetteroperatingmode,thuslengthenstheequipmenttheservicelifeaswellasachievedprovidesgoalofthecomfortableairconditioningenvironmentandtheenergyTeralbuildingcommonlyusedair-conditioningsystemhasCAV,VAV,VWVandsoon,respectivelyhasdifferentlyholdscontrolstheway,allmayuseDDCtocontrol.1decidestheamountofwindsystem(ConstantAirVolume,iscalledDecidescertainlytheamountofwindsystemtheamountofwindwhichblowsoutfortheairconditionercertainly,providescoldly(iswarm)thegaswhichtheairconditioningregionneeds.Whenairconditioningregionloadvariation,thenchangestheblasttemperaturetodealwithintheroomtoshoulder,andachievesthemaintenanceindoortemperaturetothecomfortablearearequest.Thecommonlyusedcentralair-conditioningsystemisAHU(airconditioner)andthecoolingwaterpipesystem(theFCUsystem).Thesetwogenerallydecidestheamountofwind(CAV)tosupplytheairconditioningarea,inordertodealwithintheroomthepartialloadschange,decidestheamountofwindsysteminAHUtochangewarmbytheairconditionerblowsofprocesses,controlsinteralFCUsystembycoldwatervalveON/OFFadjuststheblasttemperature.2、changestheamountofwindsystemChangestheamountofwindsystem(VarlableAirVolume,iscalledVAV)istheairconditioner(AHUorFCU)maymovechangestheamountofwind.Thecommonlyusedcentralair-conditioningsystemisAHU(airconditioner)andthecoolingwaterpipesystemFCUsystem.Thesetwogenerallydecidestheamountofwind(CAV)tosupplytheairconditioningarea,inordertodealwithintheroomthepartialloadschange,decidestheamountofwindsysteminAHUtochangewarmbytheairconditionerblowsofprocesses,controlsinteralFCUsystembycoldwatervalveON/OFFadjuststheblasttemperature.Howeverthesetwohaswastedthemassiveenergysontheblastsystem.Becauseinlong-termlowloadtimetheairfeederalsocarriesouttheentireamountofwindrevolutiontoconsumetheelectricity,thisnotonlyisnoteasytomaintaininthestableroomhumiditythecondition,alsowastesthemassiveblastsrevolutionenergy.Changestheamountofwindsystemisaimsattheblastsystemtoconsumetheelectricity ingtheenergyconservationcountermeasure.Changestheamountofwindsystemtobepossibletodivideintotwokinds:OnekindisintheAHUwindtubesystemairconditioningadaptableamountofwindsystem(AHU□theVAVsystem);OnekindisintheFCUsystemroomwinptableamountofwindsystem(theFCU-VAVsystem).TheAHU-VAVsystemwillbeblowsofintheentirewindtubesystemthetemperaturebefixed,butadjuststheairfeedertodelivertheamountofwindthewaytodealwithintheroomtheairconditioningloadchange.TheFCU-VAVsystemisfixedcoldwatersupplyment,butFCUinstallsintheroomdoesnothavethesectiontochangethepowercontrollertochangedeliverstheamountofwind,thatischangesFCUtheheatchangeratetoadjustintheroomtheloadvariation.Thesetwowayspenetrationamountofwindadjustmentreducestheairfeederthepowerconsumption,simultaneouslyalsomayincreasetheheatsourcemachinetheoperatingefficiencytosavetheheatsourcetoconsumetheelectricity,thereforemaysimultaneouslyobtainstheenergyconservationeffectintheblastandtheheatsourcetwoaspects.3、changesthecurrentcapacitysystemSo-calledchangesthecurrentcapacitysystem(VariableWaterVolume,iscalledVWV),isenhancestheheatsourcemachinebythecertainwatertemperaturesupplyairconditionertheefficiency,butchangesbythespecialwaterpumpdeliversthewatervolume,whileconvenientachievessavestheeffectwhichthewaterpumpuseselectricity.ChangesthewatervolumesystemtodependonthewaterpumptothewaterpumpsystemenergyconservationefficiencythecontrolmodeandtheVWVuseproportionbutdifferent,whetherthereist eralVWVcontrolmodesectionspeedchange(SP)andthebidirectionalvalvecontrolmode.Abovethreekindair-conditioningsystemisthepresentbuildingairconditioningmostoftenthesystemwhichdesigns.Thecentralairconditioningcontrolalsoisthepipeline,thefitting,thevalvebodyorthevalvecentralismhypothesiscontrolfluidprovidestheairconditioning.Thereforeeffectivelycombinesthecentralairconditioningcontrolnamelytobeabletheactivecontroltoconsumeenergy,thedesignconformswiththeenergyconservationtheair-conditioningsystem.Inrecentyears,theourcountrymajorityofareas,inparticularsoutheastthecoastalareasummertheairconditioningenergyconsumptionsuddenlywasrising,theairconditioninguseselectricitythetendencywhichincreasessharplytocausetheelectricalnetworkpowersupplytobeintense.Statisticshaveindicated,ourcountryeveryyeartheburninghotseasonairconditioningconsumedtheelectricitytooccupy1/3inrecentyearswhichtheentiresocietyuseselectricity,themassiveelectricalenergiesswallowbytheindustryandthecivilconstructionairconditioning,inparticularlarge-scaleconstructioncentralair-conditioningsystem,likeeachkindcommercialconstruction(office,market,hospital,hoandsoon)centralairconditioningbecauseitsspacebig,currentcapacitymany,operationtimelong,managementcomplexcharacteristic,causesthemovementenergyconsumptiontobequitehigh,thecommercialconstructionairconditioningenergyconsumptionnearlyoccupiesitstotalenergyconsumption50%.Thecentralairconditioningdesigncapacityisaccordingtothebiggestloadcomputation,butinamajorpartbuildingyearonlyhasseveraldozensdaystimecentralairconditioningtobeatthebiggestloadcondition.Thecentralairconditioningcoldloadthroughoutisinduringthedynamicchange,likeeverydaysoonerorlater,eachseasoninturn,everyyearsamsara,theenvironmentandthehumanitiescondition,real-timewillbeaffectingthecentralairconditioningcoldload.General,thecoldloadundulatesin5~60%themajoritybuildingeveryyearatleast70%isinthiskindofsituation.Butthemajoritycentralairconditioningactuallyopeningmachinecapacityfarissmallerthantheinstalledcapacity,iftakethemostgreatlycoldloadastheumworkrateactuation,createsbetweentheactualneedcoldloadand umworkoutputcontradiction,actuallycreatesthehugeenergywaste,thenationaleconomyandthesocietydevelopsforbringstheverytremendousinfluence.Thishasbroughtthesterntopicforthecentralairconditioningenergyconservationcontrol,alsogivesteralenergyconservationcontroltheworkerbroughtenormouslyhasdisplayedthetalentthespace.Thepowerloadgapincreases,theelectricpowersupplytenseaspectwithdifficultyobtainsinrecentyearsrelaxes.Therefore,energyconservationinparticularelectricitysaving,notonlyhasthesignificantsocialsignificancemoreovertohavetheurgentpracticalsignificance.Positivelystudiesthedevelopmentpromotiongreenenvironmentalprotectionnewairconditioningtechnologyandtheequipment,thesuppressionairconditioningenergyconsumptionincreases,has ethebuildingwarmlytopassairconditioningurgentandthepopularresearchtopic.dependencetechnologyinnovation,thesysteminnovation,theenergyfallsconsumes,enhancestheenergyuseefficiency,guaranteedareleastinthe"energyconsumption,intheenvironmentalpollutionsmallest"foundation,realizesthe"energyconservation,structuremanyYuan,environmentfriendly"energydevelopmentalstrategy.Thesecondhalfofthe1990s,householdelectricalappliancesbasedfrequencyconversiontechnology,mainlyaimathighfunctionalityandsaveelectricity.Forexample,askgoodcontrolperformanceandsmallsizelightweight,largecapacity,highcomfort,longlife,safeandreliable,mute,saveelectricity,etc.Inairconditioner,thefrequencyconversiontechnologyisanemergingtechnology,itischangedbythefrequencyconverterpowerfrequency,andtransformtherunningspeedofthecompressorofatechnology.Frequencyconversionairconditioning,canchooseaccordingtoenvironmenttemperatureautomaticheating,coolinganddehumidificationoperationmode,makethebedroomquicklyinashorttimetoreachtherequiredtemperatureandintheconditionoflowspeed,lowenergyconsumptionwithlesstemperaturefluctuation,hasrealizedtherapid,energy-savingandcomfortabletemperaturecontroleffect,duetotheimplementationofthecompressorsteplessvariablespeed,itcsoadapttomorewidespreadrefrigerationandheatingdemand.Nowadays,frequencyconversionairconditioninghas ethedevelopmentdirectionofhighefficiencyandenergysavingairconditioningmarketandtrends.ThedevelopmentofthefrequencyconversionairconditioningFrequencyconversiontechnologyistheneedofacmotorsteplessspeedregulationshouldbeborn.Thesecondhalfofthe1960s,thepowerelectronicdevicesfromSCR(thyristor),decision(gateturnoffthyristor),BJT)(bipolarpowertransistor,MOSFET(metaloxidefield-effecttube),SIT(staticinductiontransistor),by(staticinductionthyristor),MGT(MOStransistorcontrol)andMCT(MOScontrolproductthyratron)developmenttotoday's(insulatedgatebipolartransistor),HVhigh-pressure(insulatedgatebipolarthyristor),therenewalofthedevicetothecontinuousdevelopmentofpowerconversiontechnology.Inthe1970s,variablevoltagevariablefrequencypulsewidthmodulation(VVVF)controlresearchhasattractedhighlyattention.Inthe1980s,asthecoreoffrequencyconversiontechnologyofmodeoptimizationproblemattractedtheinterestofpeople,anddrawalotofoptimizationmodel,theeffectofsaddlewavemodetobest.Thesecondhalfofthe1980s,theUnitedStates,Japan,Germany,EnglandandotherdevelopedcountriesofVVVFinverterhasbeenonthemarketandwidelyused.VVVFinvertercontrolisrelativelysimple,bettermechanicalpropertiesandhardness,cansatisfyteraltransmissionsmoothspeedregulationrequirements,hasbeenwidelyusedinvariousareasofindustry.But,thiskindofcontrolmodeinlowfrequency,duetotheoutputvoltageissmall,theinfluenceofstatorvoltagedropismoresignificant,hencetheoutputumtorquedecreases.Inaddition,itsmechanicalproperties,afterall,nothard,dcmotorandthestaticanddynamictorquecapacityspeedcontrolperformanceisnotsatisfactory,andsopeopledevelopedvectorcontrolvariablefrequencyspeedregulation.Vectorcontrolvariablefrequencyspeedregulationis:willthestatoralternatingcurrentasynchronousmotorinthethree-phasesystemIa,Ib,Ic,bythreephase-twophasetransformation,equivalenttotwophasestaticcoordinatessystem,accurrentIa1Ib1againbypressingtherotorfield-orientedrotationtransformation,equivalenttodccurrentIm1,It1undersynchronousrotatingcoordinatesystem(Im1isequivalenttotheexcitationcurrentofdcmotor;It1andtorqueisproportionaltothearmaturecurrent),andthenimitatethedcmotorcontrolmethod,controlofdcmotorisobtained,throughthecorrespondingcoordinatetransformation,thecontrolsystemfortheasynchronousmotor.VVVFvariablefrequency,vectorcontrolfrequencyconversionispay-direct-oneofthealternatingfrequencyconversion.Theircommondrawbackisthelowinputpowerfactor,harmoniccurrent,directcurrentcircuitsneedlarge