Design and Realization of a 300 W Human Power Energy Generator System on a Bicycle

Ming Hsieh and David Jair

Energy and Environment Research, 2014, vol. 4, issue 2, 73

Abstract: In this study, we discuss a new type of human power energy generator (HPEG) system that has been designed to work with bicycles. To analyze the magnetic circuit, the finite element analysis was used to simulate the magnetic flux density in the axial flux permanent magnet?AFPM?generator. The performance of the designed HPEG was tested by mounting the E-bike in the training stand and pedaling at different speeds. Based on the experiments, the maximum output of current and voltage were 1.4 A and 215 V, respectively. The output power of the developed HPEG system had the maximum output power 300 W at the rotation speed of 790 rpm. On the road, the HPEG system is able to generate excess power to recharge the battery while pedaling, braking and coasting downhill, which turns the extra momentum into electricity to charge the battery. When the speed of the bike is above 25 km/hr, it is easy to generate approximately 100 watts of power by pedaling. It can provide a  10% increase in range. Furthermore, the developed HPEG system can also provide a method of generating electricity by means of a modified exercise bike for use in energy storage. Energy stored in battery form can act as a supplemental energy source for battery banks that June already be used for household appliances.

Date: 2014
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