轨道交通智能控制技术专业英语（中英双语）课件 Unit 4 Critical Control Technologies for Rail Transit.pptx

《轨道交通智能控制技术专业英语》（中英双语）

Unit4CriticalControlTechnologiesforRailTransit

Part1Part2ContentsElectricalTractionDriveTechnologyTCMSTechnologyScreenDoorTechnologyATPTechnologyPart3Part4

Part1ElectricalTractionDriveTechnology

Part1PassageTheelectricaltractionTherailtransittrainsaremainlypoweredbytheoverheadlinesorbytheenergystoragesystemsthatarechargedoncethetrainsarriveatthestation.alow-floortramatractionmotorasuper-capacitorenergystoragesystem

Part1 PassageTherailtransittrainsaremainlypoweredbytheoverheadlinesorbytheenergystoragesystemsthatarechargedoncethetrainsarriveatthestation.Theuseofaxlecontroltechnologyenableseachmotortobecontrolledindependently,sothatintheeventofunevenloaddistributionduetowheeldiameterdifferences,axleweighttransferandidling,itcanbecompensatedbyindependentcontrol,whichisbeneficialtothemaximizationoftraintraction.LRVtractionsystemblockdiagramforbogiecontrol

Part1 PassageAccordingtothedemandoftraintraction,theconverteroutputsthevariable-frequencyandvariable-voltagepower,andcontrolstheoutputspeedandtorqueofthemotor.Thespeedandtorquefinallyactsonthewheelsetsafterconvertedbythegearbox,therebyovercomingthebasicrunningresistance,rampresistance,bendresistanceandairresistanceofthetrain,andrealizingthetraction-basedtrainrunning.Themaintrainrunningstrategiesincludetime-savingstrategy,energy-savingstrategyandintegratedoptimizationstrategy.LRVrunningconditionsdiagram

Part1Vocabulary1intermediate [?nt?mi?di?t]2transient [tr?nzi?nt]3pulsation [p?lse??n]4torque [t??k]5asynchronous [e?s??kr?n?s]adj.中间的；中级的；中等的adj.转瞬即逝的；短暂的；过往的；临时的n.脉动；脉冲；搏动；间断n.扭矩；（使机器等旋转的）转矩adj.不同时存在（或发生）的；非共时的

Part1Notes超级电容储能系统牵引变流器电压支撑电容牵引逆变器super-capacitorenergystoragesystemtractionconvertervoltagesupportcapacitortractioninverter

Part1Refere