Design and Experimental Research on Induction Machine based Electrical Variable Transmission

The Electrical Variable Transmission (EVT) is a brand new type of electromechanical converter with double-rotor structure, which can replace the gearbox, clutch, starter and generator in a vehicle. This paper deals with the design principles of EVT. Based on the proposed design principles, an induction EVT prototype was designed, built and tested; this EVT is aimed for light-duty car application. In order to achieve higher power density, the outer rotor's yoke is decreased. Both simulation and experiment have been carried out to analyze the Magnetic Flux Coupling (MFC) for this EVT.

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