Characterization of an axial flow generator for applications in wind energy

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Mauricio Carrillo-Rosero http://orcid.org/0000-0001-6578-9362
Cristian Claudio-Medina http://orcid.org/0000-0001-7091-3516
Alex Mayorga-Pardo http://orcid.org/0000-0001-8875-8470

Abstract

The use of unconventional energy resources in recent years has been developed mainly with the intention of reducing the use of fuels. At medium and small scale the global trend, when talking about electricity generation using wind energy, is the use of permanent magnet generators. Axial flow generators are the most often available. The main characteristic of these generators is their ability to deliver electrical power at low revolutions, with an acceptable efficiency. In this research project two types of axial flow generators were characterized; one with coils in series and another with coils in parallel, with the intention of evaluating the performance of each one. The design starts from the determination of the magnetic flux, number of revolutions, number of poles, number of coils, output voltage and electrical losses, to then carry out the contrast through the data acquisition of amperage and voltage with respect to the theoretical calculation; the purpose is to establish the efficiency of each of the configurations. It was established that the series generator has characteristics that make it a configuration that has an efficiency greater than that of the generator in parallel.
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