The Cascade Machines System in Electric Vehicles

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    Cascade machines (CM) system is a multi-machine driving system, in which each machine unit works like a battery. Each machine is independent. Several motors work together as a system. When applied in electric vehicles (EV), CM system can match the characteristics demand, which has EV friendly performances of torque-speed and high efficiency area of electric driving system. Different load property could be satisfied, false tolerance property and reliability are enhanced as well as selecting, using and maintaining is simplified. This presentation shows CM system in EV application, including sizing method of the system, design method of machine unit and torque distribution strategy for system efficiency improving.

 

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