White paper

The new trend in electric car is to propose multi-speed gearboxes to improve the effi-ciency of the electric driveline. On one side, different paper estimate that with a 3 or 4speed gearbox we can improve over 15% the efficiency of electric cars. On the otherside it’s well known that just with one speed, the electric driveline is made optimal fora set of operating points....

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