Development of an 800-V Electric Car with Rear-Wheel Drive
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Increasing the voltage level in the traction power network is an evident and reasonable development step in producing sporty and powerful electric cars. Therefore, the engineers at AVL are developing an electric powertrain with 1200-V IGBT technology for the concept electric car Coup-e 800. To prove its suitability for practical application, the system is integrated into the vehicle platform of a Mercedes-Benz C-Class Coupé.
Motivation
The average traction power of (conventional) new cars sold in Germany in the first six months of 2011 was nearly 100 kW [1]. This customer demand for sporty and dynamic vehicle concepts will still apply even for prospective, fully electric cars. One example of this trend is the Tesla Model S, which offers a maximum traction power of 270 kW [2].
An electric driving performance above 100 kW implies an electric current of more than 350 A in the high-voltage power network (DC) if 600-V IGBT technology is used in the inverter of the traction motor....
References
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