Nine-phase induction motor for hybridization of a compact vehicle by parallel through-the-road (TTR) architecture
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Universidade Federal de Minas Gerais
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This study investigates the usage of a nine-phase induction motor (IM) in internal combustion engine vehicle hybridisation. Aiming to minimise structural changes, the parallel-through-the-road (TTR) hybrid architecture was chosen. First, a real vehicle was experimented on the mobility technology centre Federal University of Minas Gerais (CTM-Universidade Federal de Minas Gerais (UFMG) laboratory) to get its characteristics. After that, this technical information was used to model and simulate on the software advanced vehicle simulator (ADVISOR). The simulated model results were compared with the experimental tests results realised with the vehicle on the tests track and CTM-UFMG. Posteriorly, through a validated vehicle model, a drivetrain powered by a prototype of a nine-phase IM was integrated into the rear axle to do the hybridisation process simulation. To do that some structures modifications were necessary on ADVISOR since this tool does not include the parallel-TTR architecture. Vehicles modelled were simulated using the urban driving dynamometer schedules. Finally, the comparative analyses of simulation results show the improvements in fuel consumption, vehicle efficiency, emission gas, and the nine-phase motor operation in a hybrid TTR.
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hybrid electric vehicle (HEV) appear as an intermediated technology between internal combustion engine vehicles (ICEVs) and EV, in which it has potential to reduce the fuel consumption and gas emission, and even better vehicle efficiency, The results of the HEV-TTR illustrate the potential of reducing fuel consumption and emission levels of pollutant gases, as well as improving efficiency in relation to ICEV, The torque demands were practically restricted to the 4 poles–9 phases mode. However, when the initial battery SOC was changed to 95% and the range extended to the minimum set at 20%, the electric motor was able to operate in the 12 poles–3 phases mode
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https://ietresearch.onlinelibrary.wiley.com/doi/full/10.1049/iet-epa.2017.0783