ELECTRIC DRIVE SYSTEM FOR A VEHICLE, AND METHOD FOR OPERATING AN ELECTRIC DRIVE SYSTEM

An electric drive system for a vehicle includes first and second three-phase electric machines driving a vehicle axle and an electrical energy store electrically supplying the first and second three-phase electric machines during a driving operation of the vehicle. A first and second inverter of the...

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Bibliographische Detailangaben
Hauptverfasser:	BOEHME, Urs, ORNER, Markus, TRÖSTER, Nathan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER 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 TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	An electric drive system for a vehicle includes first and second three-phase electric machines driving a vehicle axle and an electrical energy store electrically supplying the first and second three-phase electric machines during a driving operation of the vehicle. A first and second inverter of the first and second three-phase electric machines, respectively, are each coupled to the electrical energy store. The system also includes an onboard charging terminal for electrically coupling the electrical energy store to a charging unit external to the vehicle. According to the first and/or second inverter, a charging voltage of the onboard charging terminal is converted into a supply voltage for charging the electrical energy store.