Determine the total charge which is transferred to the capacitor bank under braking.

A regenerative braking system is installed in the vehicle. This will use supercapacitors to store the
energy recovered during deceleration, using this energy later to assist the acceleration of the
vehicle. The mass of your vehicle is 1,XX0 kg where XX are the last two numbers of your student
number.
Part 3A
Calculate the maximum amount of energy which can be harvested when a vehicle slows from 40
km/hr to a standstill.
(5 marks)
Part 3B
A parallel bank of 100 supercapacitors is to be used to store the energy. Each supercapacitor has a
capacitance of 1.5 F. Assuming that all of the available energy is captured, determine the voltage to
which the capacitors must be charged to store the captured energy.
(5 marks)
Part 3C
Determine the total charge which is transferred to the capacitor bank under braking.
(5 marks)
Part 3D
Caclulate the average current which must flow if it takes 10 s for the vehicle to slow down.
(5 marks)

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