Energy Transformations in a Self-Excited Switched Reluctance Generator

Abelardo Martinez-Iturbe, Francisco Jose Perez-Cebolla, Bonifacio Martín-del-Brío, Carlos Bernal and Antonio Bono-Nuez
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Abelardo Martinez-Iturbe: Department of Electronics Engineering and Communications, University of Zaragoza, 50018 Zaragoza, Spain
Francisco Jose Perez-Cebolla: Department of Electronics Engineering and Communications, University of Zaragoza, 50018 Zaragoza, Spain
Bonifacio Martín-del-Brío: Department of Electronics Engineering and Communications, University of Zaragoza, 50018 Zaragoza, Spain
Carlos Bernal: Department of Electronics Engineering and Communications, University of Zaragoza, 50018 Zaragoza, Spain
Antonio Bono-Nuez: Department of Electronics Engineering and Communications, University of Zaragoza, 50018 Zaragoza, Spain

Energies, 2016, vol. 9, issue 5, 1-13

Abstract: Wind generation systems require mechanisms that allow optimal adaptation of the generator to varying wind speed and to extract maximum energy from the wind. Robust and affordable high-performance methods are also needed for isolated sites. This paper takes this approach, in which an AC switched reluctance generator is used as a generator with a variable rotor speed. Although the voltage obtained is of insufficient quality to connect the generator directly to the power grid, this kind of generator can be used in isolated sites to charge a battery bank with a simple bridge rectifier. Due to the nonlinear behavior of the machine with the position and current, along with the alternating nature of the current that circulates through its phases, the machine experiences cyclical energy transformations of a mechanical, electrical and magnetic nature. This paper analyzes these transformations for the purpose of providing guidelines for machine design and optimization as a wind turbine in isolated sites.

Keywords: AC generators; parametric oscillators; reluctance generators; tunable oscillators (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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