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1 Maszyny Elektryczne : zeszyty problemowe

1 2012

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Układ napędowy elektrycznego pojazdu miejskiego z hybrydowym bateryjno-ultrakondensatorowym magazynem energii

Grzesiak L. M., Ufnalski B., Kaszewski A., Gąbka G., Michalczuk M., Gałecki A., Biernat P., Rumniak P.

Maszyny Elektryczne : zeszyty problemowe

2012

Nr 2(95)

13-20

This paper presents a four-motor drive system designed within the frame of ECO-Mobility Project (ECO-Car subtask). A flexible non-mobile experimental set-up with an ultracapacitor energy storage for 2WD electric car powertrains testing is under development. Proposed topology with an active grid converter will allow to simulate electrochemical battery with any desired characteristics. This in turn will enable various experiment scenarios in terms of battery cells quality, wear level and thermal conditions. Our next target is to design a powertrain (power converters and controllers) for a mobile mockup, incl. an auxiliary energy storage and a converter that interfaces a LiFePO4 battery pack. A control strategy for the hybrid onboard energy storage is presented in detail. Some decisions concerning system functionality are discussed. A mobile mockup is also under construction. The proposed vehicle has been designed as a city car suitable equally for disabled, elderly and fit people.