A device is provided for activating a synchronous machine arranged in a vehicle. The vehicle has a gearbox and driven wheels in operative connection therewith. The synchronous machine is designed to drive the driven wheels via the gearbox. In the vehicle there is a lubricating unit, which is designed to lubricate the gearbox by way of a lubricant, for this purpose the lubricant flowing through the gearbox and at least part of the synchronous machine. The device is configured to operate the synchronous machine in a heating operating mode, which is different from a customary driving operating mode, when there are defined conditions that require heating when starting. At least one operating variable of the synchronous machine is set in the heating operating mode specifically such that, in the synchronous machine, there is a greater current heat loss in comparison with the customary driving operating mode, in order in this way to heat up the lubricant in the heating operating mode.
Device and Method for Activating a Synchronous Machine Arranged in a Vehicle
2019-02-14
Patent
Elektronische Ressource
Englisch
Device and method for activating a synchronous machine arranged in a vehicle
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