Project 1

1)

given parameters

vehicle energy = 150Kw

rated motor voltage = 120V

cell nominal capacity = 3500mAh or 3.5Ah

cell nominal voltage = 3.6V

before designing the battery pack , we should find the no of cells in series and parallel

no of cells in series = rated motor voltage/nominal cell voltage

= 120/3.6

=33.33

no of cells in series = 33

to find motor continous current

P=V*I

15000/120

I=125Ah

no of cells in parallel = motor continous current/cell nominal capacity

125/3.5

no of cells in parallel = 36

total no of cells = no of cells in series*no of cells in parallel

=33*36

total no of cells = 1188

as the no cells are more than 18 we can use master slave topology

2)

3S2P battery pack configuration model is done in simulink

below screenshot shows the state of charge ,current,voltage of a li ion battery