development and evaluation of electric vehicle (ev) quick

A_AP_M0040-E01© 2018 HIOKI E.E. CORPORATION.

Automo&ve,TransportVehicles|R&D,Tes&ng/Services,Maintenance

DevelopmentandEvalua&onofElectricVehicle(EV)QuickChargersRecordtheoutputvoltage,current,andcontrolsignalofanEVquickchargersimultaneouslyandconductopera&onalevalua&ontests.

Withincreasingfocusonelectricvehiclesfromtheperspec&veofenvironmentalprotec&onandtheop&miza&onofenergysources,theenergyconsump&onefficiencyofquickchargersisanimportantmeasurementandevalua&oncriteriathatisindispensablefortheadvancementofelectricvehiclesinsociety.Inanelectricvehicle(EV),theelectroniccontrolunit(ECU)specifiestheop&malchargingcurrentdependingonthebaPerycondi&onsandprovidescommandstothequickchargertodeliverthecorrectamountofDCpower.Becausevarioussignalscomeintoplaywhendeterminingtherightamountofsupply,theabilitytomeasureallsignalsatthesame&metodetermineproperopera&onandsignalintegrityiscri&calforthedevelopmentandevalua&onofquickchargers.

Highlights•  Simultaneouslyrecordtheoutputvoltage,current,andvarioussignalsofachargerandmonitortheir&mingduringthe

developmentofEVquickchargers.•  Directlyinputupto1000VDC(700VAC)totheMR8905AnalogUnit.Allchannelsareisolatedfromoneanother,

ensuringsafetes&ng.•  TheMR8904CANUnitletsyoufreelyselectthesignalsthatflowstotheCANBusandconvertthemtoanalogandlogic

signals.•  Recordwaveformsoveralongperiodof&me.WhenrecordingtotheMR8875’sinternalmemoryusingall16channels,1secondofsignalscanbesampledatthe2μssamplingrate.Whensavinginreal-DmetotheZ40038GBSDCardusingall16channels,11minutesand11secondsofsignalscanbesampledata10μssamplingrate.�

•  MEMORYHiCORDER  MR8875*MeasurementrequiresinputunitandotherdedicatedopDons.Selecttheinputunitsappropriateforthenumberofdatachannelsandsignaltype.•  ANALOGUNIT MR8901(4-channel,voltageinput)•  CANUNIT MR8904(2ports)•  ANALOGUNIT MR8905(2-channel,highvoltageinput)•  AC/DCCurrentSensor CT6843-05(200AAC/DC)•  SENSORUNIT CT9555•  LOGICPROBE  9320-01

Productsused

・ Informa&onvalidasofMay2017.・ Specifica&onsaresubjecttochangeandrevisionwithoutno&ce.

MR8875 Memory HiCorder

Supply voltage and current to EV CAN signals Controller signals

CT6843 AC/DC Current Probe, etc.

CT9555 Sensor Unit, etc.

9320-01 Logic Probe

MR8904 CAN Unit

MR8901 Analog Unit

MR8905 Analog Unit