METHOD FOR OPERATING AN ONBOARD POWER SUPPLY SYSTEM OF A MOTOR VEHICLE, AND MOTOR VEHICLE

Method for operating an onboard power supply system (1) of a motor vehicle (21), which onboard power supply system (1) has at least one electrical power source and at least one load (6, 7, 8, 9), wherein some of the loads (6, 7, 8, 9) belong to a safety group of safety-relevant loads (8, 9), the ope...

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Bibliographische Detailangaben
Hauptverfasser:	HACKNER, Thomas, PFALLER, Stefan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	Method for operating an onboard power supply system (1) of a motor vehicle (21), which onboard power supply system (1) has at least one electrical power source and at least one load (6, 7, 8, 9), wherein some of the loads (6, 7, 8, 9) belong to a safety group of safety-relevant loads (8, 9), the operation of which needs to be assured even when the onboard power supply system (1) is heavily loaded, wherein for at least some of the loads (6, 7, 8, 9), particularly all the loads (6, 7, 8, 9), at least one voltage threshold value (16) is prescribed in each case, wherein each load (6, 7, 8, 9) itself monitors whether the onboard power supply voltage is below the voltage threshold value (16), and, if the onboard power supply voltage is below the voltage threshold value (16), the power draw of the respective load (6, 7, 8, 9) is reduced by the load (6, 7, 8, 9) itself.