Development of an Integrated Electrified Powertrain for a Newly Developed Electric Vehicle

Paper #:
  • 2013-01-1759

Published:
  • 2013-04-08
Citation:
Shimizu, H., Okubo, T., Hirano, I., Ishikawa, S. et al., "Development of an Integrated Electrified Powertrain for a Newly Developed Electric Vehicle," SAE Technical Paper 2013-01-1759, 2013, https://doi.org/10.4271/2013-01-1759.
Pages:
8
Abstract:
This paper describes a newly developed electrified powertrain that incorporates various energy-saving improvements and is intended for use on a 2013 model year EV. Based on a 2011 model year EV that was specifically designed and engineered as a mass-produced EV, this powertrain integrates the traction motor, inverter and charging unit to achieve a smaller, lighter package for expanding application to more vehicles. Integration of the motor and inverter in particular reduced the part count for enhanced assembly ease, in addition to reducing heat transfer, noise and vibration. The specific features described in the paper are the three points below.Improving the layout of the inverter parts in order to downsize and integrate the inverter with the motor.Reducing the transfer of heat from the motor to the inverter.Reducing the excitation forces of the motor and optimizing the inverter for noise and vibration.
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