development and evaluation of electric vehicle (ev) quick

A_AP_M0040-E01 © 2018 HIOKI E.E. CORPORATION. Automo&ve, Transport Vehicles | R&D, Tes&ng/Services, Maintenance Development and Evalua&on of Electric Vehicle (EV) Quick Chargers Record the output voltage, current, and control signal of an EV quick charger simultaneously and conduct opera&onal evalua&on tests. With increasing focus on electric vehicles from the perspec&ve of environmental protec&on and the op&miza&on of energy sources, the energy consump&on efficiency of quick chargers is an important measurement and evalua&on criteria that is indispensable for the advancement of electric vehicles in society. In an electric vehicle (EV), the electronic control unit (ECU) specifies the op&mal charging current depending on the baPery condi&ons and provides commands to the quick charger to deliver the correct amount of DC power. Because various signals come into play when determining the right amount of supply, the ability to measure all signals at the same &me to determine proper opera&on and signal integrity is cri&cal for the development and evalua&on of quick chargers. Highlights • Simultaneously record the output voltage, current, and various signals of a charger and monitor their &ming during the development of EV quick chargers. • Directly input up to 1000 V DC (700 V AC) to the MR8905 Analog Unit. All channels are isolated from one another, ensuring safe tes&ng. • The MR8904 CAN Unit lets you freely select the signals that flows to the CAN Bus and convert them to analog and logic signals. • Record waveforms over a long period of &me. When recording to the MR8875’s internal memory using all 16 channels, 1 second of signals can be sampled at the 2μs sampling rate. When saving in real-Dme to the Z4003 8GB SD Card using all 16 channels, 11 minutes and 11 seconds of signals can be sampled at a 10μs sampling rate. • MEMORY HiCORDER MR8875 *Measurement requires input unit and other dedicated opDons. Select the input units appropriate for the number of data channels and signal type. • ANALOG UNIT MR8901 (4-channel, voltage input) • CAN UNIT MR8904 (2 ports) • ANALOG UNIT MR8905 (2-channel, high voltage input) • AC/DC Current Sensor CT6843-05 (200 A AC/DC) • SENSOR UNIT CT9555 • LOGIC PROBE 9320-01 Products used ・ Informa&on valid as of May 2017. ・ Specifica&ons are subject to change and revision without no&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

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Page 1: Development and Evaluation of Electric Vehicle (EV) Quick

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

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