Electrical Power Generation in Fitness Cycling

Chan, Chun Lick (2016) Electrical Power Generation in Fitness Cycling. Final Year Project (Bachelor), Tunku Abdul Rahman University College.

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Abstract

The objective of this project is to harvest kinetic energy during cycling into electricity by using a set of components which include bicycle, alternator, bicycle standing rack, and battery. The alternator is connected with the rear wheel rim of the bicycle by using an A-type belt. The alternator is also connected to a battery in order to allow current flowing through the coil, producing a magnetic field. As the rotor moves clockwise, the resultant magnetic field sweeps clockwise through the outer coil of wire and electricity is generated in the stator coil. The voltage produced by alternator depends on two variables: the strength of the magnetic field and the speed at which the alternator’s field is rotating. The alternator has a regulator that tries to keep the voltage across the battery at a steady 14.4V. The maximum power output of the alternator can up to 28W.