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Study of a Hybrid Excitation Synchronous Machine: Modeling and Experimental Validation

1
GREAH, EA 3220, Université Le Havre Normandie, 25 Rue Philippe Lebon, 76600 Le Havre, France
2
SATIE, CNRS, Ecole Normale Supérieure Paris-Saclay, 61 Avenue du Président Wilson, 94230 Cachan, France
3
SATIE, CNRS, Conservatoire National des Arts et Métiers (CNAM), 292 Rue Saint-Martin, F-75141 Paris CEDEX 03, France
*
Author to whom correspondence should be addressed.
Math. Comput. Appl. 2019, 24(2), 34; https://doi.org/10.3390/mca24020034
Received: 1 February 2019 / Revised: 20 March 2019 / Accepted: 21 March 2019 / Published: 27 March 2019
(This article belongs to the Special Issue Mathematical Models for the Design of Electrical Machines)

Abstract

This paper deals with a parallel hybrid excitation synchronous machine (HESM). First, an expanded literature review of hybrid/double excitation machines is provided. Then, the structural topology and principles of operation of the hybrid excitation machine are examined. With the aim of validating the double excitation principle of the topology studied in this paper, the construction of a prototype is presented. In addition, both the 3D finite element method (FEM) and 3D magnetic equivalent circuit (MEC) model are used to model the machine. The flux control capability in the open-circuit condition and results of the developed models are validated by comparison with experimental measurements. The reluctance network model is created from a mesh of the studied domain. The meshing technique aims to combine advantages of finite element modeling, i.e., genericity and expert magnetic equivalent circuit models, i.e., reduced computation time. It also allows taking the non-linear characteristics of ferromagnetic materials into consideration. The machine prototype is tested to validate the predicted results. By confronting results from both modeling techniques and measurements, it is shown that the magnetic equivalent circuit model exhibits fairly accurate results when compared to the 3D finite element method with a gain in computation time. View Full-Text
Keywords: electric machines; permanent magnet motor; rotating machines; hybrid excitation; permanent magnet machines; magnetic equivalent circuits; 3D finite element method electric machines; permanent magnet motor; rotating machines; hybrid excitation; permanent magnet machines; magnetic equivalent circuits; 3D finite element method
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MDPI and ACS Style

Asfirane, S.; Hlioui, S.; Amara, Y.; Gabsi, M. Study of a Hybrid Excitation Synchronous Machine: Modeling and Experimental Validation. Math. Comput. Appl. 2019, 24, 34.

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