METHOD FOR MONITORING A DRIVE UNIT OF A VEHICLE

The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) with a test current in a non-torque-forming direction, ascertain...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	REIMANN, Alexander, BENZEL, Timo
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 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a method (20) for monitoring a drive unit (1) of a vehicle (10), the drive unit (1) comprising an electric motor (2) and a control unit, the method comprising the steps of: actuating (21) the electric motor (2) with a test current in a non-torque-forming direction, ascertaining (26) at least one estimated temperature value of a motor temperature of the electric motor (2) by means of a temperature monitoring unit during the actuation of the electric motor (2) with the test current, the method (20) being carried out during a system start of the drive unit (1).