Automotive electrical system operation management during coasting and/or with engine off

An automotive electrical system (ES) for a motor vehicle (MV) comprising an internal combustion engine (ICE), the automotive electrical system (ES) comprising a main electrical power source (MB), an auxiliary electrical power source (AB), safety critical electrical loads (Ll) and non-safety critical...

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Bibliographische Detailangaben
Hauptverfasser:	POLIMENO, ALESSANDRO, DELVINO, GIUSEPPE
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 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES 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
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Beschreibung
Zusammenfassung:	An automotive electrical system (ES) for a motor vehicle (MV) comprising an internal combustion engine (ICE), the automotive electrical system (ES) comprising a main electrical power source (MB), an auxiliary electrical power source (AB), safety critical electrical loads (Ll) and non-safety critical electrical loads (L2), and an electrical switching device (DBM) arranged between the main and auxiliary electrical power sources (MB, AB) and at least the safety critical electrical loads (Ll) and configured to selectively connect at least the safety critical electrical loads (Ll) to at least one of the main and secondary electrical power sources (MB, AB). The electrical switching device (DBM) is configured to connect at least the safety critical electrical loads (Ll) to the auxiliary electrical power source (AB) during the cranking of the internal combustion engine (ICE) and/or when the motor vehicle (MV) is coasting with the internal combustion engine (ICE) off and the main electrical power source (MB) is faulty.