Abstract
Re-utilizing the same elements of the propulsion unit for the battery fast charging operation, an On-board integrated charger control for an electric bus application has been designed and validated in simulation using a nine-phase Fractional Slot Concentrated Winding (FSCW) Permanent Magnet Synchronous Machine (PMSM). Due to the spatial harmonics generated by the FSCW machine, the control strategies proposed in the literature for other on-board integrated chargers cannot achieve torque free operation by cancelling the rotatory magnetic field in the machine. In this paper, a novel torque minimization control (TMC) has been proposed, as an extension of the current controllers established on the literature, to face the spatial harmonics generated by the FSCW machine. The aim of this work is to validate the proposed control algorithm by simulation. In the future, the experimental validation is expected with a prototype that is under construction.
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