Browse Publications Technical Papers 2000-05-0044

The aXcessaustralia low-emission vehicle drive train 2000-05-0044

Hybrid electric vehicles (HEVs) offer a practical way to reduce vehicle emissions by a factor of 2 to 3 compared to a conventional vehicle. The challenge is to make HEVs affordable whilst offering the same performance, practicality, and convenience of a conventional vehicle. For the aXcessaustralia Low-Emission Vehicle (LEV) much thought was put into how these criteria could be met. The result is a novel, high-performance and low-cost drivetrain that incorporates electrical storage in the form of both batteries and super-capacitors. The aXcessaustralia LEV is a series hybrid that utilizes three electric motor/generators on one shaft. This arrangement of motor/generators allows for great flexibility in energy exchanges between the car''s kinetic energy, petrol engine, batteries, and super capacitors without the need for high-power DC/DC converters that are heavy and expensive.


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