《电动汽车传导充电用连接装置 第4部分：大功率直流充电接口》英文版

ICS43.040.99

T35

NationalStandardofthePeople'sRepublicof

China

GB/T20234.4—2022

Connectionsetofconductivechargingfor

electricvehicles-Part4:HighpowerDC

chargingcoupler

(FirstdraftonJanuary20,2022)

Promulgatedon2022-09-30Implementedon2022-09-30

Issueby

StateAdministrationforMarketRegulation

StandardizationAdministrationofChina

GB/T20234.4—XXXX`

Foreword

ThisDocumentisdraftedinaccordancewiththeprovisionsgiveninGB/T1.1—2020

DirectivesforStandardization—Part1:RulesfortheStructureandDraftingofStandardizing

Documents.

ThisDocumentispart4ofGB/T20234Connectionsetofconductivechargingforelectric

vehicles.ThefollowingpartsofGB/T20234havebeenpromulgated:

——Part1:Generalrequirements;

——Part2:ACchargingcoupler;

——Part3:DCchargingcoupler.

ThisdocumentisproposedbyXXX.

ThisDocumentisunderthejurisdictionofXXX.

DraftingunitsofthisDocument:

MaindraftersofthisDocument:

II

GB/T20234.4—XXXX

ConnectionSetofConductiveChargingforElectricVehicles-

Part4:High-powerDCChargingCoupler(ChaoJicable

assembly)

1Scope

ThisDocumentspecifiesthecomposition,couplerfunctionandlayout,structuresize,

technicalrequirements,testmethod,identification,etc.oftheconnectionsetof

conductiveDCchargingforelectricvehicles,aswellasthedefinitions,requirements,

testmethods,andinspectionrulesofadapters.

ThisDocumentappliestotheconnectionsetofconductiveDCchargingforelectric

vehicles,withratedvoltagenomorethan1500V(DC).Theadaptersapplytothe

vehicleInletinterfaceinGB/T20234.3andthevehicleconnectorinterfaceinGB/T

20234.4.

2NormativeReferences

Thefollowingnormativedocumentscontaincontentswhich,throughreferencein

thistext,constituteindispensableprovisionsofthisstandard.Forthedatedreferences,

onlytheversioncorrespondingtothedateisapplicabletothisDocument;forthe

undatedreferences,thelatestversion(includingallamendments)isapplicabletothis

Document.

GB/T2951.11Commontestmethodsforinsulatingandsheathingmaterials

ofelectricandopticalcables-Part11:Methodsforgeneral

application-measurementsofthicknessandoverall

dimensions-Testsfordeterminingthemechanicalproperties

GB/T4208DegreesofProtectionProvidedbyEnclosure(IPcode)

GB/T5013.4Rubberinsulatedcablesofratedvoltagesuptoandincluding

450/750V-Part4:Cordsandflexiblecables

GB/T5023(Allparts)Polyvinylchlorideinsulatedcablesofrated

voltagesuptoandincluding450/750V

GB/T11918.1—2014Plugs,socket-outletsandcouplersforindustrial

purposes―Part1:Generalrequirements

GB/T18487.1—2022Electricvehicleconductivechargingsystem-Part1:General

requirements

GB/T20234.1—2015ConnectionSetofConductiveChargingforElectricVehicles

-Part1:GeneralRequirements

GB/T29317—2021TerminologyofElectricVehicleCharging/BatterySwap

Infrastructure

GB/T3956—2008Conductorsofinsulatedcables

IEC62196-3—2014Plugs,socket-outlets,vehicleconnectorsandvehicleinlets-

Conductivechargingofelectricvehicles-Part3:

Dimensionalcompatibilityandinterchangeability

1

GB/T20234.4—XXXX`

requirementsford.c.anda.c./d.c.pinandcontact-tube

vehiclecouplers

IECTS62196-3-1Plugs,socket-outlets,vehicleconnectorsandvehicleinlets–

Conductivechargingofelectricvehicles–Part3-1:Vehicle

connector,vehicleinletandcableassemblyforDCcharging

intendedtobeusedwithathermalmanagementsystem

IEC62893-1Chargingcablesforelectricvehiclesforratedvoltagesupto

andincluding0,6/1kV–Part1:Generalrequirements

IEC62893-2Chargingcablesforelectricvehiclesforratedvoltagesupto

andincluding0,6/1kV–Part2:Testmethods

IEC62893-4-1Chargingcablesforelectricvehiclesforratedvoltagesupto

andincluding0,6/1kV–Part4-1:CablesforDCcharging

accordingtomode4ofIEC61851-1-DCchargingwithout

useofathermalmanagementsystem

IEC62893-4-2Chargingcablesforelectricvehiclesforratedvoltagesupto

andincluding0,6/1kV-Part4-2:CablesforDCcharging

accordingtomode4ofIEC61851-1-Cablesintendedtobe

usedwithathermalmanagementsystem

IEC60445-2017Basicandsafetyprinciplesforman-machineinterface,

markingandidentification-Identificationofequipment

terminals,conductorterminationsandconductors

3TermsandDefinitions

InadditiontothoseestablishedinGB/T11918.1—2014,GB/T18487.1—2015,

GB/T20234.1—2015andGB/T29317,thefollowingtermsanddefinitionsapplyto

thisDocument.

3.1Cableassemblyforcharging

Theassembliesforconnectingelectricvehiclesandchargingequipmentforelectric

vehiclesduringelectricvehiclecharging,includingpowersupplyinterface,vehicle

coupler,capsandothercomponentsinadditiontocableassembly.

3.2Connectionsetforhigh-powercharging

Theassembliesforconnectingelectricvehiclesandchargingequipmentduring

electricvehiclehigh-powercharging,includingcableassembly,coolingdevice,

vehiclecouplerassembly,thermalmanagementsystemandothercomponents.

3.3Vehicleadapter

Theassemblyunit,usedforinterfaceconversionbetweenvehicleconnectorand

vehicleinletthatcomplywithdifferentstandards,mayincludecontrolguidance

circuit,detectioncircuit,additionalfunctions,etc.Forthepurposeofthisstandard,it

isreferredtoasadapter.

[Source:GB/T18487.1—2022,xx.xx]

3.3.1Inletinterface

2

GB/T20234.4—XXXX

Theinterfaceofadapterthatmatcheswithvehicleinlet,whichisreferredtoasinlet

interface.

3.3.2Adapterconnector

Thepartofadapterthatmatcheswithvehicleinlet.

3.3.3Connectorinterface

Theinterfaceofadapterthatmatcheswithvehicleconnector,whichisreferredtoas

connectorinterface.

3.3.4Adapterinlet

Thepartofadapterthatmatcheswithvehicleconnector.

3.3.5Protointerface

Theoppositeinterfacethatmatcheswithoneendinterfaceoftheadapter.

3.3.6Adaptercable

Thecableintheadaptertoconnectinletinterfaceandconnectorinterface.

3.3.7TypeA

Anadapterthatphysicallyconsistsofadapterconnectorandadapterinletonly.

Type

3.3.8TypeB

Anadapterthatphysicallyconsistsofadapterconnector,adapterinletandadapter

cable.

Type

Adaptercable

Key

CVehicleconnector

DVehicleconnectorinterface

EVehicleinletinterface

FVehicleinlet

Figure1Schematicdiagramofassemblies

3.4Ratedcurrent

3

GB/T20234.4—XXXX`

Themaximumsustainablecurrentdeclaredbythemanufactureroftheconnectionset

forcharging,atwhichunderspecifiedconditions,thetemperatureriseofeach

componentoftheconnectionsetshallnotexceedspecifiedlimits.

3.5Ratedcurrentunderactivecooling

Themaximumcurrentthattheconnectionsetforchargingcanoperatecontinuously

intheeventthatthethermalmanagementsystemisunavailableorthethermal

exchangedevicedoesnotwork.

3.6Peakcurrent

Atolerantshort-timeoperatingcurrentdefinedbycurrentandtime,asdeclaredby

themanufacturerofconnectionsetforchargingunderspecifiedcondition(s).

3.7Thermalsensing

Amethodusedtoobtainthetemperaturedataofconnectionsetforchargingorits

component(s).

3.8Thermalsensingdevice

Adeviceusedtoprovidethetemperaturedataofconnectionsetforchargingorits

component(s).

3.9Thermaltransport

Amethodusedtodissipatetheheatfromtheconnectionsetforcharginginaddition

tothemethodofchangingcurrentsize.

3.10Thermaltransportdevice

Adeviceusedtodissipatetheheatfromtheconnectionsetforcharginginaddition

tothemethodofreducingchargingcurrent.

3.11Thermalexchange

Amethodforcoolinganddissipatingheatfromthermaltransport.

3.12Thermalexchangedevice

Adeviceforcoolinganddissipatingheatfromthermaltransport.

3.13Thermalmanagementsystem

Asystemforadjustingtemperatureincombinationofthermalsensing,thermal

transportandthermalexchange.

3.14Coolant

Alowtemperaturefluid,whichisusedtocoolanotherhightemperatureobject,is

referredtoasthecoolant.

3.15Ratedpressure

Themaximumpressuregivenbythemanufacturerforthecableassemblytooperate

continuouslyatratedconditions.

3.16Maximumallowedpressure

4

GB/T20234.4—XXXX

Themaximumpressuregivenbythemanufacturerthatthecableassemblycan

sustainatratedconditions.

3.17Maximumallowablepressure

Themaximumpressurespecifiedbythemanufacturerthatisallowedtobeapplied

tothecoolantsuppliedtothecableassembly.

3.18Ratedpressure

Themaximumpressurespecifiedbythemanufacturerthatisallowedtobeapplied

tothecoolantsuppliedtothecableassemblyundernormalandcontinuousoperating

conditions.

4Composition

ThediagramofconnectionsetforchargingisshowninFigure2.

ChargingsideVehicleside

DCchargingequipment

Connectionsetforcharging

Cableassemblyfor

charging

Socket

VehicleVehicleInlet

ChargingcableConnectorcable

Thermal

managementsystemThermal

TemperatureThermalsensing

sensingdevice

controlunitdevice

ThermalThermaltransportThermaltransport(optional)

exchangedevice

Thermaltransfer

Powertransfer

Communicationprotocol

Systemboundary

Temperatureinformation

Figure2ConnectionSetforHigh-powerCharging

ChargingsideVehicleside

Cableassemblyforcharging

DCcharging

Inletcable

equipmentChargingVehicle

VehicleInlet

ConnectionsetCharaccableConnector

forchargingteristicTheTher

Therm

TempePowTherrmalTherPowmalPowTherPowTher

al

ratureermalsensmalersensiermalermal

excha

controtranstransingtranstransngtranstranstranstrans

nge

lunitportportdeviportportdeviportportportport

device

cece

With

Connectionset√√

thermal

forhigh-power√√√√√√√√√(Opti√(Opti

transpo

chargingwithonal)onal)

rtand

5

GB/T20234.4—XXXX`

coolingthermal

functionsensing

functio

ns

ConnectionsetWith

forchargingthermal

withoutsensing√√√√√√√

coolingfunctio

functionn

5CouplerFunctionsandLayout

5.1Ratedparameters

TheratedvaluesofcableassemblyforDCchargingisshowninTable1.

Table1TheratedvaluesofcableassemblyforDCcharging

RatedvoltageRatedcurrent

VDCA

10

16

32

63

80

125

160

1500

200

250

300

400

500

600

800

5.2Definitionsoffunction

ThevehicleConnectorandVehicleInletcomprise7pairsofterminals,andtheir

electricalparametersanddefinitionsoffunctionareshowninTable2.

Table2Table2ElectricalParametersandDefinitionsofFunctionofTerminals

TerminalRatedVoltageandRated

DefinitionsofFunction

No./IDCurrent

PositiveDCpowersupply,toconnect

1——(DC＋)SeeTable1

PositiveDCpowersupplyandcathode

NegativeDCpowersupply,toconnect

2——(DC-)SeeTable1

negativeDCpowersupplyandanode

Protectiveearthing(PE),toconnectthe

3——()—groundwireofpowersupplyequipment

andvehicleelectricplatform

6

GB/T20234.4—XXXX

4——(CC2)60V,2AChargingconnectionconfirmation

5——(CC1)60V,2AChargingconnectionconfirmation

ChargingcommunicationCAN_H,the

6——(S+)60V,2Acommunicationlineconnectingoff-

boardchargerandelectricvehicle

ChargingcommunicationCAN_L,the

7——(S-)60V,2Acommunicationlineconnectingoff-

boardchargerandelectricvehicle

5.3Terminallayoutmethod

ThelayoutmethodofterminalsforvehicleConnectorandVehicleInletisshownin

Figure3and4.

Figure3LayoutDiagramofTerminalsforVehicleconnector

Figure4LayoutDiagramofTerminalsforVehicleInlet

5.4Chargingconnectioninterface

DuringtheconnectionofvehicleConnectorandInlet,theterminalsarecoupledin

thefollowingorder:PE,chargingconnectionconfirmation(CC2),positiveDCpower

supplyandnegativeDCpowersupply(DC+andDC-),chargingcommunication(S+

andS-),chargingconnectionconfirmation(CC1);thedisconnectionisinthereverse

order.Theconnectioninterfaceofhigh-powerchargingcouplerisshowninFigure

5.Thecontrolcircuitandcontrolprincipleofdirectchargingarespecifiedin

separatelyformulatedstandards.

7

GB/T20234.4—XXXX`

Off-boardVehicleVehicleInletElectric

chargerConnectorVehicle

1-PositiveDCpowersupply(DC+)1-PositiveDCpowersupply(DC+)

2-PositiveDCpowersupply(DC-)2-PositiveDCpowersupply(DC-)

3-EquipmentGND3-EquipmentGND

4-Chargingconnectionconfirmation(CC2)4-Chargingconnectionconfirmation(CC2)

5-Chargingconnectionconfirmation(CC1)5-Chargingconnectionconfirmation(CC1)

6-ChargingcommunicationCAN_H(S+)6-ChargingcommunicationCAN_H(S+)

7-ChargingcommunicationCAN_L(S-)7-ChargingcommunicationCAN_L(S-)

Electronic

lockingdevice

Figure5DiagramofChargingConnectionInterface

5.5Structuresize

ThestructuresizeofvehiclecouplershallmeetAnnexD;refertoAnnexEforthe

mountingsizeofcombinedVehicleInlet;thespatialsizeofplugshallmeetAnnex

F.

6CableRequirements

6.1Cablewithcoolingfunction

6.1.1Conductormaterial

a)Theconductorshallbemadeofannealedcopper,butthecablemaybecommon

ortin-plated.

b)Theconductorstructureshallmeettherequirementsforthe5thconductorinGB/T

3956—2008.

c)Theconductorisverifiedthroughinspectionandmeasurementwhetheritmeets

therequirementsofaandb,includingtherequirementsinGB/T3956—2008.

d)Theresistanceofeachconductorat20°Cshallmeettherequirementsforgiven

ratesofconductorsinGB/T3956—2008.

6.1.2Cablesize

Thecablesizeshallmeet:

a)Powercords(2coreormultiple-core):16mm2-150mm2;

b)Signalorcontrollines:0.5mm2asaminimum,differentfromthepowercords;

c)PEearthingconductorline(single-core):6mm2;

d)Temperaturesensorlines(optional):0.5mm2asaminimum,differentfromthe

powercords;

Ifthecooperconductorisindirectcontactwithcoolant,itshallbesubjectto

compatibilitytestaccordingto9.4.2.

6.1.3Insulation

8

GB/T20234.4—XXXX

Thecableinsulationshallmeet:

a)TheinsulationlayercompoundofthecableshallbeTypeEVI-2;

b)Iftheinsulationlayerisusedasthepipelineofthepowercord,thengapsare

allowedbetweentheconductorandtheinsulationlayer;

c)Theinsulationlayercompoundofthesignalorcontrollinesandtemperature

sensorlinesshallbeTypeEVI-1orEVI-2.

6.1.4Shielding(optional)

Theshieldinglayerofasingle-coreorcombinedwire(e.g.,twisted-pairorquad-core

wire)shallconsistofcopperbraidedlayerwithatleast80%opticalcoverage.

6.1.5Pipeline

Thefluidpipelineshallbemadeofcoolantresistantmaterialwhichshallbetested

forcompatibilitywiththecablematerial.

Thepipelinematerialshallbeabletowithstandagingat120°Cindryairfor168

hours.Afterthetest,themechanicalpropertiesshallnotchangemorethan±30%of

theunagedsample.

Iftheinsulationlayerisusedasthepipelineofthepowercords,itsmaterialshall

meettherelevantrequirementsofEVI-2aswellastherequirementsofthe

compatibilitytestofcoolant.

6.1.6Coreidentification

Eachpowercordofcablemusthaveonlyonecolor.However,thecoreidentifiedby

thecombinationofgreenandyellowshallmeetthefollowingrequirements:foreach

15mmlongcore,onecolorshallatleastcover30%butnomorethan70%ofthe

surfaceofthecore,andtheothercolorshallcovertherestofthecore.

ThecolorofsignalorcontrolledCCline,CPline,temperaturesensorlineorother

coresshallbeclearlyidentifiedanddifferentfromthecolorofpowercordcores.

Exceptforpowercordsandprotectiveconductors,ifthecoreidentificationusing

numberscomplieswiththerequirementin7.3ofIEC62893-1-2017,thenthecores

maybeidentifiedbynumbers.

6.1.7Components

a)Coresshallbetwistedtogether;

b)Fillersmaybeused,butcenterlinesarenotallowed;

c)Beforethesheathisused,aseparator(suchastape)orfillermaybeaddedaround

thecoreassembly;

d)Themetalshieldinglayermaybeusedonthecoreassembly.However,themetal

shieldinglayershallbebraidedfromplainortinnedcopperwireandasuitable

fillerortapeshallbeusedbetweenthecoreassemblyandthemetalshielding

layer.Therequirementsforthemetalshieldinglayershallbeagreedbetweenthe

manufacturerandthecustomer.

6.1.8Sheath

9

GB/T20234.4—XXXX`

ThesheathcompoundsshallbeTypesEVM-1,EVM-2,EVM-3,andEVM-1is

suitableforthecablewiththecodenameof62893IEC129,EVM-2forthecable

withthecodeof62893IEC130,andEVM-3forthecablewiththecodeof62893

IEC131.

Thesheathshallnotbepastedonthecore,andtheuseofsheathshallmakethe

finishedcablebasicallyround.

6.1.9Marking

Eachcableshallhaveacompletecodenamewhichshallbeconsecutivelymarkedon

thesheathinaccordancewithArticle6ofIEC62893-1-2017,inaddition,the

followingshallbemarked:

Numberandnominalcross-sectionalareaofpowercordandPEconductorline;

Markingsforratedvoltageand"forspecialactivecoolingsystems";

Additionalmarkings,suchasyearofmanufacture,areallowed;ifadditional

markingsareused,theyshallnotconflictwithorinterferewithrequiredmarkings.

Thecontinuity,durabilityandlegibilityofmarkingsshallcomplywith6.2,6.3and

6.4ofIEC62893-1-2017.

6.1.10Requirements

EachcableshallcomplywiththecorrespondingrequirementsspecifiedinIEC

62893-1andthespecialrequirementsspecifiedinthischapter.Thetestsshallbe

carriedoutinaccordancewithAnnexAofIEC62893-4-2,andrelevanttestsare

showninTableA.1ofIEC62893-4-2.

a)ThethicknessofinsulationlayerandsheathshallcomplywithTableB.1(for

Type129)andTableB.2(forTypes130and131)ofIEC62893-4-2;

b)Thesignalorcontrollinesandcoresotherthanpowercordsshallcomplywith

therequirementsof