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AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsDaniel FINDEISEN, Joerg REUSS, Matthias GORKA, Michael STEINBERGER
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An on-board power system has a three-phase motor having a first and at least a second at least three-phase winding, a first and a second electric component energy on-board power system, as well as a first and a second actuator element, which are each electrically connected to one of the windings and one of the electric component energy on-board power systems. In order to transfer energy between the first and second electric component energy on-board power systems, the first actuator is actuated to generate a voltage in the first at least three-phase winding, such that a voltage is induced in the second at least three-phase winding, a result of which is to transfer energy between the first and the second partial-energy on-board power system, and wherein the generated voltage in the first at least three-phase winding is an AC voltage with voltage vectors oriented to contribute to the fact that substantially no torque is generated in the rotor by the voltage generated for the energy transfer in the first winding.
A method for operating an on-board power system comprising a three-phase motor, having a stator and a rotor, wherein the stator has a first at least three-phase winding and a second at least three-phase winding, which are inductively coupled to one another, the device further having a first and a second electrical partial-energy on-board power system, a first actuator, which is electrically connected to the first at least three-phase winding and the first electrical partial-energy on-board power system, and a second actuator, which is electrically connected to the second at least three-phase winding and the second electrical partial-energy on-board power system, wherein the method comprises:
A device for operating an on-board power system comprising:
Dependencies are inferred from the claim text.