Uma Proposta para uma Nova Topologia de Aerogeradores Utilizando um Regulador Eletromagnético de Frequência (A Proposal for a New Wind Turbine Topology Using an Electromagnetic Frequency Regulator)

Paulo Vitor Silva (paulo.silva@ifrn.edu.br), Ricardo Ferreira Pinheiro (ricpinh@ufrnet.br), Andrés Ortiz Salazar (andres@dca.ufrn.br), Luciano Pereira do Santos Júnior (luciano.junior@ifrn.edu), Christian Cesar de Azevedo (christian.azevedo@ifrn.edu)


Universidade Federal do Rio Grande do Norte
This paper appears in: Revista IEEE América Latina

Publication Date: April 2015
Volume: 13,   Issue: 4 
ISSN: 1548-0992


Abstract:
This paper proposes a new topology for wind turbine using an electromagnetic frequency regulator - EFR. One of the most important points in the conversion of wind energy into the power system is the speed control, using for this, in some topologies, boxes of mechanical gears. These boxes present a short shelf life and often represent sources of noise and defects. The EFR is presented such as a new technology for wind turbines to replace traditional gearbox, resembling an induction machine, where the then known stator of the machine becomes mobile, combined to the turbine shaft. The purpose of this article is to validate, through simulation, the efficiency of the proposed system. Simulations show positive results, validating the proposal.

Index Terms:
wind turbine, induction machine, electromagnetic frequency regulator, speed control   


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