城市軌道交通專業(yè)英語(yǔ)Part5課件

PPT模板下載：/moban/行業(yè)PPT模板：/hangye/節(jié)日PPT模板：/jieri/PPT素材下載：/sucai/PPT背景圖片：/beijing/PPT圖表下載：/tubiao/優(yōu)秀PPT下載：/xiazai/PPT教程：/powerpoint/Word教程：/word/Excel教程：/excel/資料下載：/ziliao/PPT課件下載：/kejian/范文下載：/fanwen/試卷下載：/shiti/教案下載：/jiaoan/

內(nèi)容九內(nèi)容八內(nèi)容七內(nèi)容六內(nèi)容五內(nèi)容四內(nèi)容三內(nèi)容二內(nèi)容一城市軌道交通專業(yè)英語(yǔ)PPT模板下載：/moban/標(biāo)題八Part5ControlSignalUnit15BASUnit16標(biāo)題八Part5ControlSignalUnit標(biāo)題八Unit15Signal

ObjectivesTounderstandwhatasignalingsystemis.Toknowthedevelopmentofurbanrailsignaling.Tounderstandthefunctionsandimportanceofsignaling.標(biāo)題八Unit15SignalObjectiv標(biāo)題八Unit15Signal

ClassHour2hours標(biāo)題八Unit15SignalClassHo標(biāo)題八Unit15Signal

SentenceSectionA

Question:Whatcanametrosignalingsystemdo?Metrosignalingisacomplicatedandamazingsystem.UKhasalongerhistoryofmetrosignalingthananyothercountry.Metrosignalinghassimilaritieswithrailwaysignaling.Topreventanytraindelays,accidents,evencasualties,itisimportantthatasignalingsystemoperatedbyagroupofwelltrainedpeople.標(biāo)題八Unit15SignalSentence標(biāo)題八Unit15Signal

Themostcriticalrolethatsignalsplayinthemetrosystemistolocatethewhereaboutsoftrainsandtoprotecttrainsfromcollisions.Themostimportantcomponentsinametrosignalsystemareitselectromechanicalrelays.Ifametrosignalfails,thesignalinglightwillgotoredandthetrainwillstopuntilthefailuresareresolved.MostofmetrosignalshaveGreenontop,YellowinthemiddleandRedonthebottom.標(biāo)題八Unit15Signal標(biāo)題八Unit15Signal

DialogueSectionB

Question:Whatdoesametrosignalingsystemconsistof?WhatistherelationshipbetweensignalingsystemandATC?Lin:Doyouknowhowmanysystemsareincludedinametrosignalingsystemandwhattheyare?Peter:Itcontainssixsystems,movingblocksystem,traintestingsystem,automatictrainprotectsystem,automatictrainoperationsystemandautomatictrainsupervisingsystem.Lin:WhatistherelationshipbetweenATCandsignalingsystem?Peter:ATCsystemhasthreesubsystems—ATO,ATP,andATS.Theyarepartofametrosignalingsystem,andATCsupportssignalsystemandsignalingsystemcontrolsATC.標(biāo)題八Unit15SignalDialogue標(biāo)題八Unit15Signal

Lin:ThatmeansmetrosignalingsystemhasthesamefunctionsasATC?Peter:Yes,Itisnotonlysafeformetrooperation,butalsoconvenientforpassengers.Lin:Passengerscanreadtheinformationdisplayontheplatform.Peter:Youcanlearnwhattimenexttrainwillarrive,routeanddirection,etc.Also,somemoreinformationlikeweatherreport,roadconditionsareavailable.Lin:Howpowerfulthesystemis.標(biāo)題八Unit15Signal標(biāo)題八Unit15Signal

PassageSectionc

Question:Doyouknowwhatametrosignalingsystemis?

MetroSignalSignalingandoperationonmetrosysteminvolvestraincontrol,trainsignal,signageandtrainlength,etc.Today,metrotraincontrolisdonebyanAutomaticTrainControlsystem(ATC),whichisacombinationofthreesubsystems,ATO,ATPandATS.ATPseparatestrain,ATSroutestrains,andATOgathersinformationfrombothATSandATPtodirectlycontrolthetrains.標(biāo)題八Unit15SignalPassageS標(biāo)題八Unit15Signal

Themetrosignalinglightsworkjustliketrafficlightsforcars.Redmeansstop,andgreenmeansadvance.Thesignalinglightsareautomaticallycontrolledbythelocationofthetrains.Asoneofthetrainsmovesalongthetrack,itrelaysonthetracktosendthesignalofitslocationtothelights.Aredlightstaysonuntilaleadingtrainhasmovedasafedistance.標(biāo)題八Unit15Signal標(biāo)題八Unit15Signal

Before,metrosranfourcarandsixcartrains.However,therearenomorefourcartrainsusedinthesystemafteryear2000.Eveneightcartrainsareinservicenowadays.Thetrainlengthdecidesthesafedistanceprogrammedinthemetrosignalsystem.標(biāo)題八Unit15Signal標(biāo)題八Unit15Signalcomplicated\[kmplketd\]adj.難懂的，復(fù)雜的signaling\[sɡnl\]n.發(fā)信號(hào)；打信號(hào)similarity\[smlrti\]n.類似；相似點(diǎn)casualty\[kulti\]n.意外事故；傷亡人員；急診室critical\[krtkl\]adj.批評(píng)的，愛(ài)挑剔的；決定性的；評(píng)論的whereabouts\[werbats\]n.下落；行蹤；所在之處adv.在何處；靠近什么地方collision\[kln\]n.碰撞；沖突；（意見(jiàn)，看法）的抵觸resolve\[rzlv\]n.堅(jiān)決；決定要做的事v.決定；分解；決心relay\[rile\]n.繼電器；接替v.轉(zhuǎn)播；接替Words&Phrases標(biāo)題八Unit15Signalcompl標(biāo)題八Unit15SignalExtensiveReadingSectionDTextA

HelpPointInnovationProject:HelpPointCommunicationSystemAlsoknownas:HelpPoint標(biāo)題八Unit15SignalExtensive標(biāo)題八Unit15Signal

Whatitis:TheHelpPointCommunicationSystemisanewtechnologypilotprogramthatputsmetrocustomersintouchwithTransitpersonnelviaaninteractivecommunicationsdevice.EachHelpPointdevicehastwobuttons,agreenINFORMATIONbuttontoaskfortravelinformationandaredEMERGENCYbuttontobeusedonlyinanurgentsituation.Benefits:HelpPointdevices:Haveaninstantlyidentifiabledesign.Areclearlylabeledandeasytouse.Offertwotypesofassistanceatonelocation.AllowcustomerstospeakwithaTransitrepresentativeaboutmetroservicebypressingthegreenINFORMATIONcallbutton.標(biāo)題八Unit15SignalW標(biāo)題八Unit15Signal

Whomcustomersspeakwith:NYCTransitStationAgentsanswermetroserviceinquiries;personnelfromNYCTransit'sRailControlCenter(RCC)respondtoemergencycalls.History:HelpPoint,whichbegantestingin2011,isamoresophisticatedversionoftheCustomerAssistanceIntercoms(“callboxes”),currentlyinmanymetrostations.Youmayalsobeinterestedtoknow:AHelpPointisonexhibitattheMuseumofModernArt(MoMA).

Source:/標(biāo)題八Unit15SignalW標(biāo)題八Unit15SignalTextB

RailroadSignaling

BasicDifferences(UK—US):

SignalMeaningsOnrailwaysallovertheworld,signalsareusedtoindicatetothedriverofatrainhowheshouldproceed.ThewaythisisdoneintheUS(andmostofEuropeexceptSpainandNorway)isquitedifferentcomparedwiththeUK.IntheUK(andothercountriesusingUKbasedsystems),signals標(biāo)題八Unit15SignalTextBRa標(biāo)題八Unit15Signal

aredesignedtoshowthedriverthestateoftheroadahead.Forexample,asignalwillshowthatthelineisclearaheadandwillalsosayhowfaraheaditisclear.Thedriver,usinghisknowledgeofthelineandofthetrainheiscontrolling,willmakeajudgmentabouthowfasthecansafelylethistraingoandwillproceedaccordingly.IntheUS,signalsshowdriversthespeedstheyareallowedtogo.Theydonotactuallyneedtoknowhowfaraheadthelineisclear.Thespeedtheyareallowedtodowilldependonthetypeoftrainthedriveriscontrolling.標(biāo)題八Unit15Signalaredesi標(biāo)題八Unit15Signal

ABSandInterlockingsIntheUS,liketheUK,signalsareclassifiedintotwogeneraltypes.IntheUKtheyarereferredtoasautomaticandcontrolled,intheUStheyareknownasAutomaticBlockSignals(ABS)andInterlockingsignalsrespectively.Thetwoclassificationsaresimilarinthatautomaticsignalsworkwithoutmanualcontrolswhilecontrolledorinterlockingsignalsusuallycoverjunctionareasandrequiresomeformofadditionalcontrolsoperatedbyasignaltower(signalboxinUK)orcontrolroom.標(biāo)題八Unit15SignalA標(biāo)題八Unit15Signal

OverlaporSafetyBlockAnotherfeatureofUSrailroadsignalsisthattheydonothavethe200yardoverlapsthatarenormalintheUK.TheusualmethodofprovidingasafetymarginbeyondastopsignalintheUSistoallocatethewholeofthenextblockastheoverlap.ThisissimilartotheprincipleadoptedonmetroswhichuseATP.

BiDirectionalSignalingManyUSlinesareequippedwithfullbidirectionalsignaling.Youwilloftenseeablockboundarywithtwosignals,onefacingineachdirection.Thesignalingoperatesexactlythesame,regardlessofthedirectionofrunning.標(biāo)題八Unit15Signal標(biāo)題八Unit15Signal

USSignalLayoutsAtrainpassingalongasignaledroutewillseeanarrangementofsignalswhichwillappearsomewhatasdescribedinthefollowingparagraphs.Every2milesorsothetrainwillpassanAutomaticBlockSignal(ABS).AllABSsignalsforalltracksandbothdirectionsarelocatedrightnexttotheblockentranceattheinsulatedrailjoint(IRJ).So,astheengineer(driver)passesfromblocktoblockitsalmostlikepassingthroughapaneofglass.Thisisenhancedbythefactthatforthemostpartthereisntmuchalongthewaysidebutatablocklimithewillseesignals,relayboxesandrailjoints.標(biāo)題八Unit15SignalU標(biāo)題八Unit15SignalOK,theengineerispassingblockafterblockandallthesignalshaveoneheadbutthenhegetstoablocklimitwherethesignalinhisdirectionhastwoheads.Thesearethedistantsignalsforaninterlocking.TheyarestillautomaticandstillretainanumberplatethatID'sthemasautomatic.Afterproceedingalittlefartherdownthelinetheengineerreachestheinterlockingentrance.Acrossalltracks,inhisdirectiononly,isalineofsignals.Thesesignalshavetwoorthreeheadsandnonumberplate,whichID'sthemasabsolute(stop)signals.Ifthereisaproceedindication,thetraincrossestheboundarydefinedbytheIRJandsignalsandenterstheinterlocking.Thetrainthenrumblesoverthepoints,itpassesthesignaltowerorrelayshed,rumblesoversomemorepointsand標(biāo)題八Unit15SignalO標(biāo)題八Unit15Signalreachesthe“exit”signals.Theexitsignalsactuallyhavenobearingonthistrainwhatsoeverbecausetheyareallfacingtheoppositedirectionforincomingtrains.Theentrancesignalsnotonlygoverntheinterlocking,butalsothenextblock.However,theexitsignalsandassociatedIRJdefineanotherboundaryand,afterthetraincompletelypassesthisboundary,isitoutoftheinterlocking,freeofdispatchercontrolandunderautomaticsignalrules.Notethat,whileanypartofthetrainisbetweentheHome(entranceandexit)signals,itisworkingunderinterlockingrules.OnceitcrossestheboundarydefinedbytheHomesignalsitisunderrule251or261operation.標(biāo)題八Unit15Signalreachest標(biāo)題八Unit15Signal

Thetraincontinuesontocompletethesamestepsthrougheachinterlocking.Everysooftenatrainwillpassfromoneinterlockingrightintoanother(someinterlockingsalsohavesubinterlockingsthatarecompletelyindependent).ThefirstABSlimitthetrainreacheswillbethedistantforoperationintheotherdirection.

Source:http://www.railway/USsig.shtml標(biāo)題八Unit15SignalT標(biāo)題八Unit16BASObjectivesToknowthedefinitionandfunctionsofBAS.TointroducethesystemofmetroBAS.TounderstandtheadvantagesofBAS.標(biāo)題八Unit16BASObjectives標(biāo)題八Unit16BASClassHour2hours標(biāo)題八Unit16BASClassHour2ho標(biāo)題八Unit16BAS

SentenceSectionA

Question:WhatisBAS?WhatismetroBAS?BAS(BuildingAutomationSystem)ismainlyusedincommercialHVACcontrolsystemsandenergymanagementsystem.BASisnotlimitedtojustHVACapplications.Italsohastheabilitytometerelectricity,gas,water,steam,hotwater,chilledwaterandfuel.BASengineersselecttheproperHVACcontrolsystemandprogramstocontrolthevarioustypesofHVACsystemsindifferentmetrostations.標(biāo)題八Unit16BASSentenceSecti標(biāo)題八Unit16BAS

Tobemoreeffective,theBASsystemshouldbeinstalledandtunedproperlyAbuildingcontrolledbyaBASisoftenreferredtoasanintelligentbuilding,ametrostationcontrolledbyaBAScanbereferredtoasasmartstation.ManyBAScanbeaccessedfromanylocationwithaninternetconnection.標(biāo)題八Unit16BASTob標(biāo)題八Unit16BAS

DialogueSectionB

Question:WhatdoesametroBASconsistof?(TrainerLinischeckingwhetherstudentsstillremembertheknowledgelearnedinthelastlesson.)Lin:Peter,whatdidwetalkaboutlastclass?Peter:It'sBAS.Lin:WhatisthefullnameofBAS?Peter:It'sBuildingAutomationSystem.Lin:Canyoutellmeitsbasiccomponents?Peter:Ithasfourbasicparts,bigsystem,smallsystem,watersystemandtunnelventilationsystem.標(biāo)題八Unit16BASDialogueSecti標(biāo)題八Unit16BAS

Lin:Whatisthedifferencebetweenbigsystemandsmallsystem?Peter:Aventilationandairconditioningsysteminapublicstationareaiscalledbigsystem,thesysteminastationequipmenthouseiscalledsmallsystem.Lin:HowdoesBASwork?Peter:Therearemanysensorsconnectedtoeachsystem.Thesensorsmeasuretheirsurroundingenvironmentfromdifferentlocations,thencollectphysicaldataandsendthemtotheBAScomputer.BAScomputerwillcalculateandanalyzethedatatocontrolthewholesystem.Lin:Thatiscorrect.Goodjob,Peter.NexttimewearegoingtotalkaboutFAS.標(biāo)題八Unit16BASLin:標(biāo)題八Unit16BAS

PassageSectionC

Question:DoyouknowthefunctionsandadvantageshavingBASinametrosystem?

BASBAS(BuildingAutomationSystem)itselfisanenergyandcomfortmanagementsystem.ItintegratesthedifferentsystemsinabuildinglikeHVAC,lighting,verticaltransportation,firesafetyandsecurityinordertoprovidecoordinatedcontrolofthebuilding'sfunctions.BASinametrostationcancontrolthestationtemperaturetomaximizeenergysavings,providingoptimumcomfortandsafetyforpassengers.標(biāo)題八Unit16BASPassageSectio標(biāo)題八Unit16BAS

BASjoinsmechanicalandelectricalsystemsandequipmentwithmicroprocessors,communicatingwitheachother.Inafireemergency,aBAScanrespondquicklytocontroltheventilationsystemtominimizethespreadofsmoke.Italsocoordinatesallofthefunctionsinametro,suchasshutingdownelevatorsintheaffectedarea,activatingfiresuppressionsysteminthefirelocation,andopeningsecurityandemergencydoorsforpassengersandemergencypersonnel.BASshouldoffertheabilitytosendalarmsviaemailandtelephonetoalertstationmastersorengineersofsystemproblemsandfailures.標(biāo)題八Unit16BASBASj標(biāo)題八Unit16BAS

commercial\[kml\]n.商業(yè)廣告adj.商業(yè)的；營(yíng)利的；靠廣告收入的tune\[tjun\]n.曲調(diào)；和諧；心情v調(diào)整；使一致；調(diào)音intelligent\[nteldnt\]adj.智能的；聰明的；理解力強(qiáng)的access\[kses\]n.進(jìn)入；使用權(quán)；通路v.使用；存取；接近physical\[fzkl\]n.體格檢查adj.物理的；身體的；物質(zhì)的spread\[spred\]n.傳播；伸展v.傳播，散布；展開(kāi)Words&Phrases標(biāo)題八Unit16BAScommercia標(biāo)題八Unit16BAS

maximize\[mksmaz\]v.最大化；對(duì)……極為重視；達(dá)到最大值minimize\[mnmaz\]vi.最小化；減到最少；極度輕視electromechanical\[lektrmknkl\]adj.電動(dòng)機(jī)械的，機(jī)電的vertical\[vtkl\]n.垂直線，垂直面adj.垂直的；頭頂?shù)膐ptimum\[ptmm\]n.最佳效果；最適宜條件adj.最適宜的microprocessor\[makroproses\]n.微處理器activate\[ktvet\]v.刺激；使活潑；產(chǎn)生放射性suppression\[spren\]n.抑制；壓抑via\[va\]prep.渠道，通過(guò)；經(jīng)由Words&Phrases標(biāo)題八Unit16BASmaximize標(biāo)題八Unit16BAS

ExtensiveReadingSectionDTextA

ABriefHistoryofAirConditioningontheNewYorkMetroOneofthenicethingsaboutNewYorkCityinthesummertime,asidefromallthepeoplefleeingelsewhere,isthereliablecomfortofairconditionedmetrocars.“Itwasn'talwayslikethis,”BenjaminKabakofthetransitblog2ndAve.Sagasrecentlyremindedus.Inagreatretrospectivethatdeservesitsannualbumptothefrontpage,Kabakguidesusthroughthe“turbulent”historyofhowNewYorkfinallycontrolledthetemperatureonitsmetrotrains.標(biāo)題八Unit16BASExtensiveRea標(biāo)題八Unit16BAS

Kabakbringsthestorybackto1955andatrialrunthatfaredprettywell.Thecity'stransitauthorityoutfittedametrocarwithanairconditioningsystemandmeasuredthetemperatureinsideat68to73degrees.Theauthoritiesdidn'tpickthebestdayforsuchatest—outsideitwasjust62degrees—buttheydeclaredtheireffortasuccessanyway.Theairconditionedcarwashotterthanthecitystreets,butitwasstillabout15degreescoolerthantheothercars.標(biāo)題八Unit16BASKabak標(biāo)題八Unit16BAS

Stillitwasn'tuntil1967thatthecityfoundalongtermsolutiontoitsairconditioningproblem,withTheNewYorkTimescallingthenewcoolingsystemsontheFtrain“ahit”.Itwouldbemanymoreyearsbeforetheentirefleetcaughtupwiththenewstandard.Inthemeantimeridersemployedvarioustrickstodeterminewhichcarsoneachtraincarriedtheluxury.Somelookedforasmallgrillontheroofofthecar;otherslookedforclosedwindows.標(biāo)題八Unit16BASStill標(biāo)題八Unit16BAS

Kabakleavesoffin1983,whenonlyhalfofthecity'smetrocarswereairconditioned,butthenextdecadesawenormousprogress.By1993roughly99percentofNewYork's6,000metrocarswereairconditioned—with7trainriderstheunlucky1percent.Todayeverycaristemperaturecontrolledandifitscoolingsystemdoesn'tworkthentransitofficialsaren'tsupposedtoaddittoatrain.Ofcoursesometimestheydo,likewhenMayorBloombergfoundhimselfinaswelteringcarbackinAugustof2002.標(biāo)題八Unit16BASKabak標(biāo)題八Unit16BAS

InfactmanyattemptstocooldownNewYork'smetrocars—ifnottechnically“aircondition”them—camewellbefore1955.Oneearlyeffort,frombackinAugustof1910,equippedanI.R.T.trainwithfourelectricceilingfans.Thefanswereprettymodestdevices,operatingatonetwelfthofonehorsepower,andeventhesuperintendentinchargeofthenewsystemadmittedtotheTimesthattheeffectwasmostlypsychological:“Itisn'treallyanycooler.We'rejuststirringuptheair.Butyounoticehowmuchmorecomfortableitis.Now,thereisn'tanyChristianScienceaboutthis.Ifyoudon'tbelieveit,gointothenextcar,wheretherearenofansandfeelthedifference.”標(biāo)題八Unit16BASInf標(biāo)題八Unit16BAS

The(eventual)successofNewYork'sairconditionedcarscameatapricemetroridersarestillpayingtoday.Theenergyneededtorunthecoolingsystemsemitsagreatdealofheatthatgetstrappedinthemetrostationsastrainsidleforpassengers.Inotherwords,asmetrocarshavecooleddown,metroplatformshaveheatedup.“Noquestionit'satradeoffhavingmetrocarsthatareairconditioned,”onetransitauthorityspokesmantoldtheTimesbackin1989.標(biāo)題八Unit16BASThe(標(biāo)題八Unit16BAS

Schemestocooldownthestationsthemselvesdatebackasfarasschemestocooldownthecars.InJuneof1905,forinstance,thecityinstalledadozenbasicofficefanstoventilatetheBrooklynBridgestation.Riderswelcomedtheattempt,accordingtotheTimes,buttheonlythingitseemedtoaccomplishwastomakethestationdarker,becauselightshadtoberemovedtoprovidethefanssufficientelectricity.(Inthesamearticleascientistcallsthedampstationairhealthybecauseit's“pregnantwithozone”,whichwasconsideredgoodforfightingmalaria.)標(biāo)題八Unit16BASSche標(biāo)題八Unit16BAS

Acenturyandchangelaterthesituationisn'tmuchdifferent.InAugustof2009WNYCtookdigitalthermometersontovariousplatformsaroundthecityandreportedtemperaturesrangingfromtheupper90sallthewayto106whenatrainpassed.(Itdidn'ttakelongforreporterBethFertig'shairtostart“l(fā)ookingreallyfrizzy”.)EvendirectlyunderafanneartheStraininTimesSquarethetemperaturewasstillaripe91degrees.ThecoolestplatformswereatGrandCentralStation—chilledairispipedinfromthemainterminalabove—whichmeasuredinat87degrees.標(biāo)題八Unit16BASAce標(biāo)題八Unit16BAS

Othercitiescontrolthetemperatureoftheirstationsaswellastheircars.TheplatformsinWashington,D.C.,arecooledby“chillerunits”thatkeepstationsareported6degreescoolerthanoutsidefromMaytoOctobereachyear.ThequestionofwhyNewYorkcan'tdothesamehasbeenaskedandansweredmanytimes,butNewYorkmagazineofferedaconcisereasonafewAugustsback:標(biāo)題八Unit16BASOther標(biāo)題八Unit16BAS

There'slittleformalventilationinthemajorityofNewYorkCitystations.Instead,airispassivelyreleasedthroughceilinggratesandcirculatedwhentrainsblastthroughthetunnels.(It'simpossibletoprovideairconditioninginstations,becausethesystemwasn'tbuiltwithspaceforthemachinery,andtherearetoomanyopeningstothestreet.)In1999,theMTAdidbegininstallingasystemcalledregenerativebraking,whichcapturessomeofthereleasedheatfromthetrains'brakesandfeedsenergybackintothethirdrail,butthatchangedlittle.標(biāo)題八Unit16BASThere標(biāo)題八Unit16BAS

Butwhilethecitymayhavetroubleretrofittingolderstationsforairconditioning,itintendstocontroltheclimateonfutureplatforms,suchastheSecondAvenuelineandthewestwardextensionofthe7train.Onwardanddownwardwiththeheat.

Source:/commute/2012/08/briefhistoryairconditioningnewyorkmetro/2952/標(biāo)題八Unit16BASButw標(biāo)題八Unit16BAS

TextB

EnergySavingofMetroHVACSystemTheBeijingMetroisabackbonetransportationnetworkthatservestheurbanandsuburbandistrictsofBeijingmunicipality.Ithas17lines,227stationsand456kmoftrackinoperation,runningbytwocompanies,BeijingMTR(operates14lines)andHongKongMTR(operates3lines).ItranksthethirdinlengthintheworldafterSeoulandShanghai,andservesmorethan7.5millionspassengersaday,whichisthebusiestinChina.Itservedtotallymorethan2.46billionpassengersin2012.標(biāo)題八Unit16BASTextBEnergy標(biāo)題八Unit16BAS

Becauseofitslargescaleandheavyload,Beijingmetroconsumesagreatamountofenergyeveryday.AsurveyontheenergyconsumptionofBeijingmetrowasconductedin2008.Atthattime,BeijingmetrohadonlyfivelineswhosedailyenergyconsumptioninApril2008andinJuly2008aresummarizedandcompared.Itshowedthatthedailyenergyconsumptionofthemetrolinesrangedfrom0.6milliontonear5millionkW/hperday.Therewasasteepmorethan30%incrementofenergyconsumptionfromApriltoJulyineachline,indicatingthepotentialenergyconsumedbyairconditioningsubsystemsforcoolingandventilationinthesummerseason.標(biāo)題八Unit16BASBeca標(biāo)題八Unit16BAS

Inthelastyear(2012),wetookamoredetailedstudytotheenergyconsumptionofBeijingMetrotoexaminetheelectricityconsumptioninafinergranularity.Wedisaggregatetheoverallconsumptionintoconsumptionoftraindraggingsubsystem,lightingsubsystem,airconditioningsubsystemandothersubsystems.TheinvestigationwasconductedinlineAoperatedbyHongKongMTR.Forthesakeofinformationprivacy,thenamesofthelineandthenamesofthestationswillbesetanonymousinthispaper.Ourinvestigationresultsshowedthattheconsumptionofairconditioningsubsystemsrangedfrom31%to40%intheinvestigatedmetrostations.Inparticular,theairconditioningsubsystemofthelineconsumed標(biāo)題八Unit16BASInt標(biāo)題八Unit16BAS

morethan18,190,000kWhelectricitypermonthinthesummerseason.Forenergysavingpurpose,ifitwerepossibletoreducetheenergyconsumptionoftheairconditioningsubsystemsafewpercents,impressivequantityofelectricitywouldbesaved.Particularlyinthreestations(S1,S2,S3)inlineA,weconductedfurtherresearchbydeployingenvironmentmonitoringsensors,smartmetersandtemperatureandstatesensorsintotheHVAC.Thepassengerflowisrecordedbytheticketcheckingsystems.Basedonthesedata,weinvestigatetheruntimefeatures,loadandsupplysignaturesoftheHVACsubsystems.Thestudyshowedthat:thereweremanyoperatingproblemsincurrentairconditioningsystemsinthemetrostations,including:標(biāo)題八Unit16BASmorethan18,標(biāo)題八Unit16BAS

1)themismatchingofloadsandsupplies.2)Controlisnotadaptivetothevariationofenvironmentsandpassengerflows.3)controlproblemsregardingthepumpsandvalvesetc.Toaddresstheseproblem,wedevelopedanautonomouscontrolsystemtosaveenergyforHVACsystems.

FromApril2013toJuly2013,wespentfourmonthstodesign,constructanddeploytheautonomousHVACcontrolsystemsforthethreemetrostationsbasedontheinsightlearnedfromthefieldstudies.ThedesignemphasizedadaptionoftheHVACsystemtomatchitscoolingsupplytothevariationoftheheatingloads.Forpracticalconsiderationsofsystemreliability標(biāo)題八Unit16BAS1)th標(biāo)題八Unit16BAS

andtheinformationlimitation,wedesignedrulebasedadaptivecontrolstrategiesandimplementedthesestrategiesbydeployingcontrolunits,frequencyadapters,andautomaticvalvesetc.Thesystemshaveworkedwellthroughthesummerseasonof2013.Uptonow,bytheenergylogscollectedinthelastsummer,theresultsshowedthattheautonomouscontrolsystemnotonlyprovidedsatisfactoryindoortemperatureandhumidity,butalsoreducedtheenergyconsumptionofthethreestationsintherangefrom20%to38%.Somefurtherresearchdirectionsandinsightslearnedfromcurrentdeploymentsarediscussed.

Source:Sustainableenergymanagementforundergroundstations,2011Beijingmetro,Oct.2013.PageVersionID:576457338.標(biāo)題八Unit16BASandtheinfoTHANKS!THANKS!PPT模板下載：/moban/行業(yè)PPT模板：/hangye/節(jié)日PPT模板：/jieri/PPT素材下載：/sucai/PPT背景圖片：/beijing/