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Optimising the performance of a smart electric car

Optimising the performance of a smart electric car. A uthors: Pia Žnidaršič, Tina Rejc, Mitja Železnik Mentor: Tomaž Kušar. wireless charging. Charging. solar panels. regenerative braking. Hypothesis.

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Optimising the performance of a smart electric car

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  1. Optimising the performance of a smart electric car Authors: Pia Žnidaršič, Tina Rejc, Mitja Železnik Mentor: Tomaž Kušar

  2. wireless charging Charging solar panels regenerative braking

  3. Hypothesis A good part of the car’s kinetic energy can be converted into electricity with the use of regenerative braking system. In such a way, we can improve the car’s efficiency. The electric car still needs ordinary brakes alongside the regenerative braking system due to its slow braking ability.

  4. The construction of the electric car

  5. Research video clip: our experiment We tried to find out an answer to the question: how to improve the electric car‘s efficiency? 1. We compared a basic diode and light emitting diode. 2. We also used different capacitiesof a capacitor.

  6. Measurements At first we measured the braking distance while the DC motors weren‘t connected to an electric circuit. Total potential energy is converted to the force of friction (braking force). , while regenerative braking system was used braking distance Then we measuredthe amount of electricity converted from kinetic energy by the DC motors (generators). -

  7. Results These results were obtained on the basis of length measurement and calculated potential energy. Then we measured the amount of electricity we actually got in each case.

  8. Results

  9. Results

  10. Results

  11. Results

  12. Results • The results of the circuit by a simple diode are better, because the basic diode consumes less power. • By increasing the capacitor‘s capacity we can store more electricity. The amount of storedelectricity also depends on the braking distance.

  13. Literature [1] Tesla motors, available at http://www.teslamotors.com/ [2] List of electric cars currently available, available at http://en.wikipedia.org/wiki/List_of_electric_cars_currently_available [3] How Does Regenerative Braking Work? Available at http://www.carsdirect.com/green-cars/how-does-regenerative-braking-work [4] Regenerativebrakes, available at http://en.wikipedia.org/wiki/List_of_electric_cars_currently_available [5] TheKineticEnergyStorage, available at http://www.youtube.com/watch?v=ZHgN1-Qv9LU [6] Regenerativebraking, availableat http://www.cyberphysics.co.uk/topics/energy/regenerative_braking.htm [7] What is the regenerative braking system?, available at http://www.alke.com/brake-energy-recovery.html

  14. Thankyouforyourattention.

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