TSC7042G最新Word档.docx

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1、TOYOTAENGINEERINGSTANDARDNO.:TSC7042GTIT1E:Benchtestmethodfor1ow-frequencye1ectromagneticnoisefromautomotivee1ectricande1ectronicequipmentC1ASS:C1(Aug.2019)EstabIishediZRevised:Rev.2Thisstandardhasbeenrevisedmain1yasaresu1tofthefo11owingchanges:(1) frequencybandveredbythisstandardhasbeenchangedto100

2、kHzto30MHz;(2) descriptionsforradiatedemissionhavebeenaddedSection2(6),Tab1e1,Section72;(3) settingofmeasuringequipmenthasbeenchangedSection5.2.3(2);and(4) descriptionsforConyersionimpedanehavebeende1etedSection5.2.4(1).PreparedandWrittenbyE1ectronicPerformanceDeve1opment&EngineeringDept.E1ectronics

3、Contro1SystemDeve1opmentDiv.DesignQua1ityInnovationDept.TOYOTAMOTORCORPORATIONBenchtestmethodfor1ow-frequencye1ectromagneticnoisefromautomotivee1ectricande1ectronicequipment1. ScopeThisstandardcoversthemethodformeasuringane1ectromagneticnoiseconductedandradiatedfromautomotivee1ectricande1ectronicequ

4、ipmentinsta11edonvehic1esequippedwiththeREESS.Thisstandardcoversafrequencybandfrom100kHzto30MHz2. DefinitionsThetermsusedinthisstandardaredefinedasfo11ows,(1) 1ow-frequencye1ectromagneticnoiseThistermreferstoanoisefrom100kHzto30MHzgeneratedfromautomotivee1ectricande1ectronicequipment.(2) REESS(Recha

5、rgeab1eEnergyStorageSystem)Thistermreferstoarechargeab1eenergystoragesystemthatprovidese1ectricenergyfore1ectricpropu1sion.Forexamp1e,theREESSisinsta11edonEVs,HVs1PHVs,andFCvehic1es.(3) Automotivee1ectricande1ectronicequipmentThistermreferstosystemcontro1unitsthataremain1yconstitutedbysemiconductors

6、,andvariousdetectingunits(sensors)andoutputunits(motorsandactuators)thatareusedinconjunctionwiththecontro1units,ordevicesinc1uding1ormoresuchunits.(4) EUT(Equipmentundertest)Thistermreferstothedevicestobetested.Theyconsistofautomotivee1ectricande1ectronicequipment(5) ConductedemissionThistermreferst

7、othee1ectromagneticenergyconductedfromnoisegeneratingsourcestoharnessesofavehic1e.(6) RadiatedemissionThistermreferstothee1ectromagneticenergyradiatedintothespacefromnoisegeneratingsources.(7) ConversionimpedanceThistermreferstotheimpedanceofthecurrentprobeor1oopantenna.Theunitofmeasurementsha11be(d

8、B).Ane1ectriccurrent(dBA)canbeobtainedfromane1ectricvo1tage(dBV)measuredbyaspectrumana1yzerandreceiverwithacurrentprobe,usingequation(1).Inthecaseofradiatedemissionmeasurementwitha1oopantenna,theantennafactorfa11sunderthis.Theunitofmeasurementsha11be(dBm).Themagneticfie1dstrength(dBAm)canbeobtainedu

9、singequation(2).E1ectriccurrent(dBA)=Measurede1ectricvo1tage(dBV)-Conversionimpedance(dB)+Cab1e1oss(dB)-RF(RadioFrequency)amp1ifiedbypreamp1ifier(dB)(1)Magneticfie1dstrength(dBAm)=Measurede1ectricvo1tage(dBV)+Antennafactor(dBm)+Cab1e1oss(dB)-RFamp1ifiedbypreamp1ifier(dB)(2)(8) PeakdetectionThistermr

10、eferstoadetectionmethodtorecordthemaximumva1ue(RMS)withinameasurementbandwidthwithinthemeasurementtime.(9) AveragedetectionThistermreferstoadetectionmethodtooutputanaverageoftheenve1opeofmeasuredsigna1s.1nthecasewherethemeasuringequipmenttobeusedisunab1etooutputtheaverageoftheenve1ope,adetectionmeth

11、odtooutputtheaverageoftheeffectiveva1uesmaybeused.(10) Maxho1dThistermreferstoameasurementmodeofthespectrumana1yzerinwhichmu1tip1esweepsareperformedandthemaximumofthemu1tip1esweepsisse1ected.(11) TraceaverageThistermreferstoameasurementmodeofthespectrumana1yzerinwhichmu1tip1esweepsareperformedandthe

12、mu1tip1esweepsareaveraged.(12) Groundp1aneThistermreferstoconductivemeta1p1ateswhichareinsta11edunderEUTs,1oads,simu1ators,andbatteries.Thep1ateisusedasthereferencepotentia1tosimu1ateavehic1ebody.Itismadeofcopper,brassora1uminum,andhasathickhessof0.5mmandmoreandanareaof1000X2000mmandmore.Itise1ectri

13、ca11yconductedtothee1ectromagneticshie1dwa11oftheanechoicchamber.(13) BackgroundnoiseThistermreferstonoisesgeneratedandconductedfromsourcesotherthantheEUTs,suchasnoisesgeneratedfrommeasurementequipment,broadcastingwaves,andsimu1ators.(14) StandardconditionThistermreferstothenorma1conditionofthetests

14、ite,whichshai1bethenorma1temperature(5to35)andnorma1airpressure(86to106kPa)un1essotherwiseprovided.(15) Standardvo1tage(1V)Thistermreferstothepowersupp1yvo1tageforEUTsinthegenera1tests,whichsha11beavo1tageof121Vprovidedthattheautomotivebatteriesareused.(16)+BThistermreferstothepowersupp1yorpowersupp

15、1y1inewhichisrequiredtooperateautomotivee1ectricande1ectronicequipment.(17)GNDtermina1Thistermreferstogroundtermina1sorreferencetermina1softhepowersupp1yorre1atedsystemwhichisrequiredtooperateautomotivee1ectricande1ectronicequipment.(18) Testp1ansheetThistermreferstothedocumentsdescribingthedetai1so

16、ftestitemsagreedamongdepartmentsinvo1vedpriortothetest.Mattersdiscussedanddecidedamongre1ateddepartmentsthatarenotstatedinthistestp1ansheetsha11beinva1id.(19) TestreportThistermreferstothedocumentsdescribingthetestresu1tsandamendmentstothetestp1ansheet,inadditiontothecontentsofthetestp1ansheet.Mattersdiscussedanddecidedamongre1ateddepartmentsthata