Electric drive system and method

• Main Authors: ROMMELMEIER CHRISTOPH, ROSEN ALEXANDER, HABERSBRUNNER, MAXIMILIAN
• Format: Patent
• Language: Chinese; English
• Published: 26.03.2024
• Subjects: 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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROL OR REGULATION THEREOF; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The invention relates to an electric drive system for a motor vehicle or in a motor vehicle, having at least one polyphase electric machine having a dual rotor, the dual rotor being produced from a flux-conducting or carrying material made of a solid material; the invention relates to an electric drive system having a three-stage or multi-stage inverter circuit for driving an electric machine, having a controllable three-stage or multi-stage inverter coupled on the output side to the electric machine, the inverter being designed to supply the electric machine with an alternating voltage, and an operating mode setting device, the operating mode setting device is designed to selectively operate the inverter as a function of at least one parameter affecting the overall efficiency of the electric drive system in a three-stage operation or a multi-stage operation or in a two-stage operation. 本发明涉及一种用于机动车辆或在机动车辆中的电力驱动系统，该电力驱动系统具有至少一个多相电机，该电机具有双转子，其中双转子由固体材料制作的磁通引导或承载材料制造；该电力驱动系统具有用于驱动电机的三级或多级逆变器电路，其具有在输出侧耦接到电机的可控三级