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An electrical variable transmission (EVT) can be used as a power splitting device in hybrid electrical vehicles. The EVT analyzed in this paper is a rotating field electrical machine having two concentric rotors. On the outer rotor, permanent magnets (PMs) are combined with a dc-field winding, being the first implementation of its kind. The magnetic field in the machine as well as the electromagnetic...
An electrical variable transmission (EVT) is an electromagnetic device with multiple rotors and multiple shafts. In hybrid electric vehicles it is used to split the power to the wheels in a part coming from the combustion engine and a par exchanged with the battery. This paper summarizes how an induction machine based EVT can be modeled and controlled using field oriented control.
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