Novel Architecture of the Electric Car Drivetrain

A. Madbouly, H. Elmaghraby, A. Ashraf, Y. Fattoh, I. Ahmed, A. Hassaneen
Helwan University Egypt,

Keywords: green mobility, decarbonization, electric car, 4WD, low voltage technology


Greening transportation mobility is gaining more ground everyday due to the climate change issue and its consequences. Decarbonization is among the greening mobility technologies due to the fact that Carbon dioxide is the main global GHG. Mobility Electrification is considered among the Net Zero Carbon emission valid solutions now and in the future. The electrification technology of recent cars are focusing more on the high voltage technology due to its better energy storage and drivability characteristics. High voltage electric car technology, however, has its own risk concerns. In this innovation, a low voltage Formula Students electric car (less than 60 volts) is adopted and being designed by the UG students for its safety privileges. In order to account for the high anticipated system electric current due to the low voltage and its associated implications and possible overheating, a Four-Wheel-Drive (4WD), Four-Batteries and Low-Voltage Technology (4WD-4B-LVT) is adopted and being designed. The maximum electric current for each drivetrain is expected to be around 250 amps which is believed to be easier and safer to handle. The rated power of the being designed electric car is excepted to be around 48 KWh. Four 48 volts Lithium Ion batteries (12 kWh each) will be used to power the proposed vehicle. Four DC motors (15 kW each) will drive the proposed car. An isolated control strategy for each one of the four drivetrain architecture is adopted and being designed. A better drivability and safety characteristics is highly expected.