METHOD FOR OPERATING A DRIVE DEVICE FOR A MOTOR VEHICLE, AND CORRESPONDING DRIVE DEVICE FOR A MOTOR VEHICLE

The invention relates to a method for operating a drive device (1) for a motor vehicle. The drive device (1) has a separately excited electric synchronous machine (2) for providing a drive torque, and an electric voltage is applied to an excitation winding of the synchronous machine (2) in order to...

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Bibliographische Detailangaben
1. Verfasser:	STRASSER, Roman
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The invention relates to a method for operating a drive device (1) for a motor vehicle. The drive device (1) has a separately excited electric synchronous machine (2) for providing a drive torque, and an electric voltage is applied to an excitation winding of the synchronous machine (2) in order to generate an excitation field. In order to generate the excitation field, the voltage applied to the excitation winding is selected so as to be temporarily greater than a target voltage and is lowered in the direction of the target voltage after the excitation field has been generated and/or the poles of the excitation winding are temporarily reversed in order to remove the excitation field. The invention additionally relates to a drive device (1) for a motor vehicle.