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VW-80149-EN原版完整文件VIP免费

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GroupstandardVW80149Issue2021-08Class.No.:8MADescriptors:12volts,alternator,converter,energysupply,highcurrent,high-currentloads,loadHigh-CurrentLoadsAdditionalRequirementsandTestsPrefaceThelimitedcapacity(staticanddynamic)ofthevehicleelectricalsystemisconfrontedwiththein-creasingdemandforelectricalenergy.Anelectricalsystemoverloadcanresultinvoltagefluctua-tionsthatarenoticeableinthecomfortarea(e.g.,fluctuatinginteriorblowerspeed,lightflickering)aswellasinvoltagefluctuationsthatleadtofunctionallimitations/failuresinthevehicle(e.g.,lossofelectricalsteeringassistance).Thispartofthestandarddescribesthetestreportthatthecontractormustprepareincollaborationwiththepurchaser.Thepurposeofthetestreportistogivethepurchaseranoverviewofthedy-namicbehavioroftherespectiveload.PreviousissuesVW80149:2009-11,2013-09,2018-02ChangesThefollowingchangeshavebeenmadetoVW80149:2018-02:a)Nomenclatureeditedb)Section4restructuredc)Section4.3.1expandedd)Section4.3.2expandede)Section5restructuredf)Section5.2.1addedg)Section5.4expandedandrestructuredh)Section6restructuredi)Section7.8restructuredj)Section7.8.3expandedk)AppendixAupdatedAlwaysusethelatestversionofthisstandard.Thiselectronicallygeneratedstandardisauthenticandvalidwithoutsignature.Acommaisusedasthedecimalsign.TheEnglishtranslationisbelievedtobeaccurate.Incaseofdiscrepancies,theGermanversioncontrols.Page1of21Allrightsreserved.NopartofthisdocumentmaybeprovidedtothirdpartiesorreproducedwithoutthepriorconsentofoneoftheVolkswagenGroup’sStandardsdepartments.|internal©VolkswagenAktiengesellschaftVWNORM-2019-10Page2VW80149:2021-08Contents12344.14.24.34.3.14.3.24.3.355.15.25.2.15.2.25.2.35.2.45.35.3.15.3.25.466.16.26.36.477.17.27.37.47.57.67.77.87.8.17.8.27.8.37.8.47.988.18.29AppendixAA.1PageScope........................................................................................................................................3Definitions.................................................................................................................................3Abbreviations............................................................................................................................3General......................................................................................................................................3Generalsupplyrequirements................................................................................................3Identificationofhigh-currentloads........................................................................................3Energysupply..........................................................................................................................412Venergysupplythroughaclassicalalternator(conventionalvehicle).....................412-VenergysupplybyDC-DCconverter(MHEV,HEV,PHEV,BEV)...........................4Systemuseinthetwoarchitectures.....................................................................................4Limitsandtestspecifications.................................................................................................4General......................................................................................................................................4Generallimitsandtestspecifications................................................................

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