電力專業(yè)英語5變電站綜合自動(dòng)化

電窮奪裴英醫(yī)電氣工程學(xué)院?變電站綜合自動(dòng)化：?IntegratedSubstationAutomation45-2SubstationAutomationpriorto90’s?Substationautomation:thecreationofahighlyreliable,selfhealingpowersystemthatrapidlyrespondstorealtimeeventswithappropriateactions,ensurestomaintainuninterruptedpowerservicestotheendusers，?變電站（綜合）自動(dòng)化：以創(chuàng)建高可靠性，自愈的電力系統(tǒng)。能夠通過必要的控制措施，快速響應(yīng)實(shí)時(shí)事件，保證對(duì)用戶的不間斷供電。變電站設(shè)備?主變壓器：maintransformer?母線：busbar?斷路器：circuitbreaker?電壓/電流互感器：voltage/currenttransformer?無功補(bǔ)償裝置：reactivecompensation電容器組：capacitorbanks電力電子器件：靜止無功補(bǔ)償設(shè)備STATCOM,SVC,TCSC?測(cè)量表計(jì)?保護(hù)，自動(dòng)裝置，SCADA…45-4?Functions:■Protectionrelaysfortransformers,busbars,out-feeds,...■Stationcontrol,meteringanddisplay■SCADA?能*■變壓器保護(hù)，母線保護(hù)，線路（出線）保護(hù)■站控設(shè)備，表計(jì)，顯示■SCADA45-5去顯示r經(jīng)測(cè)量裝置測(cè)量rtnnriit.45-645-7PowerWorldVisualizationin40,000MWTVAControlRoom45-8DefinitionofSubstationAutomation?Obtainsupervisorycontrolanddataacquisition(SCADA)atthesubstation.Thesubstation’sfunctionandoperationcanbemonitoredandcontrolledfromaremotelocation.Communicationcanbemadeviamodem,high-speedcommunicationlines,andfiberopticcables.實(shí)現(xiàn)SCADA功能(數(shù)據(jù)采集和監(jiān)視控制)可以遠(yuǎn)方實(shí)現(xiàn)站內(nèi)功能和操作的監(jiān)視和控制?？赏ㄟ^高速通信信道或光纖實(shí)現(xiàn)站間及與調(diào)度的通信?Usemicroprocessor-basedrelaystoperformonlinemonitoringandcontroloperations.?使用數(shù)字式保護(hù)（或稱為微機(jī)保護(hù)）實(shí)現(xiàn)監(jiān)視和控制?Digitalprotection45-10?Convertthetraditionalswitchboardlooktoagraphicaluserinterface(GUI)accessiblethroughthestationPC.Ilf將傳統(tǒng)的操作盤轉(zhuǎn)換為可以通過站控計(jì)算機(jī)操作的圖形交互接口?GUIusesvarioussensorstocollectperformanceandconditioninformationonessentialstationequipmentandstorestheinformationforfuturereference，?GUI通過各種傳感器采集站內(nèi)設(shè)備的實(shí)時(shí)運(yùn)行信并可實(shí)現(xiàn)信息存儲(chǔ)。45-12PracticalApplicationsinChina—threeprojectsLegacysubstationautomationCircuitbreakerElectromagneticvoltage/currenttransformerSubstationautomationsystemLegacy俺統(tǒng)35kVsubstation45-14DigitalsubstationautomationIntelligentelectronicdevicesIED智能測(cè)控裝置35kVsubstation45-15IEDCollectinformationofcircuitbreakerandswitches’positionandsendthemtotherelays.采集變電站和開關(guān)的位置信息，送至保護(hù)裝置Receivetrip/closecommandsfromrelaystocontrolthecircuitbreaker從保護(hù)接收跳閘/合閘命令，控制斷路器>Installation:outsidethecontrolroomandclosetothecircuitbreaker安裝在_室外斷路器附近（節(jié)省電纜投資）35kVsubstation45-16TheIEDalsoenabledredundantequipmenttobeeliminated,asmultiplefunctionswereintegratedintoasinglepieceofequipment.Forexample,wheninterfacedtothepotentialtransformersandcurrenttransformersofanindividualcircuit,theIEDcouldsimultaneouslyhandleprotection,meteringandremotecontrol.采用IED,可以消除功能重復(fù)的設(shè)備，因?yàn)槎喾N功能集成在同一個(gè)設(shè)備里。例如：當(dāng)與某線路的電壓變換器和電流變換器接口時(shí)，IED可以同時(shí)實(shí)現(xiàn)保護(hù)，計(jì)量和遠(yuǎn)程控制所需的實(shí)時(shí)測(cè)量。45-17ConfigurationSubstationlevel變電站層ControlcenterwithinthesubstationBaylevel?:MBU;;?卜：■雪■ibi：???■雪：HIMI:；

??STS?-~間隔層ODS-385differentialODS-37backup???5ODS-3I6transmissionlineprotectionODS-326protectionforcapacitybanksOpticfiberOpticfiberOpticfiberOpticfiberProcesslevel35kVsubstationControlcenter(communicationmanagement)控制中心(通信管理器)>Communicationwithd