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Electric car battery management Project work spring 2013 Roope Savolainen Joel Saastamoinen Kai Bredenberg.

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Presentation on theme: "Electric car battery management Project work spring 2013 Roope Savolainen Joel Saastamoinen Kai Bredenberg."— Presentation transcript:

1 Electric car battery management Project work spring 2013 Roope Savolainen Joel Saastamoinen Kai Bredenberg

2 Background 2 Fiat Doblo electric cars bought from Fortum 30kW about 100km/h only 2000 km driven Cars broken and sold to Aalto University A Master thesis done about the topic

3 Goals Check the condition of batteries Install batteries in the car and check that the battery management system works Try to fix battery charging system

4 Batteries Battery type: 3,2 V LiFePO4 / 160 Ah Charging voltage: 4 V Battery voltage should never decrease under 2.5 V About batteries in series

5 Battery Management System Communication with computer through serial port Car dosen’t work if any of the batteries are empty

6 Charging System Charging voltage: 216 V (input three phase 50 Hz 400 V) System dosen’t work No specifications or documentation available

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