Modeling and Analysis of a Proposed AC-DC C-Core Heteropolar Radial Hybrid Magnetic Bearing

Authors

  • N. Boutra Laboratoire d’électrotechnique de Constantine (LEC) Université des frères Mentouri Constantine 1, Route Ain Elbey, 25000 Constantine, Algérie
  • R. Mehasni Laboratoire d’électrotechnique de Constantine (LEC) Université des frères Mentouri Constantine 1, Route Ain Elbey, 25000 Constantine, Algérie
  • M. Feliachi Laboratoire IREENA (UR 4642) Nantes Université, CRTT, 37 boulevard de l’Université, CS 90406, 44600 Saint-Nazaire, France

DOI:

https://doi.org/10.13052/2024.ACES.J.390907

Keywords:

Heteropolar, hybrid magnetic bearing, magnetic circuit decoupling, second air gap, three-phase inverter driving

Abstract

In this study, a new C-Core heteropolar radial hybrid magnetic bearing (HRHMB) driven by a three-phase power inverter is proposed. The use of a three-phase inverter driving technology improves the performance of magnetic bearings in terms of cost and power consumption. The force-current and the force-displacement characteristics of the proposed HRHMB are linear and the magnetic field coupling between the X and Y directions is significantly reduced. To analyze the proposed HRHMB, the configuration, working principle and required mathematical model based on the equivalent magnetic circuit (EMC) method are firstly presented. Then the load capacity and important parameters design are deduced. A comparison between the results obtained by the used analytical approach and those given by the finite element method (FEM) allowed verification of the developed mathematical model’s accuracy. Compared with the twelve-pole HRHMB, the proposed HRHMB improves bearing capacity, reduces mass, and enhances cost efficiency and performance, making it highly suitable for large journal diameter applications.

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Author Biographies

N. Boutra, Laboratoire d’électrotechnique de Constantine (LEC) Université des frères Mentouri Constantine 1, Route Ain Elbey, 25000 Constantine, Algérie

Nacir Boutra was born in Ain M’lila, Algeria. He received the B.S. and M.S. degrees in Electrical Engineering from the University of Constantine, Algeria, in 2007 and 2010, respectively. He is currently working toward the Ph.D. degree at the Department of Electrical Engineering, in the same University, member of the LEC laboratory. His current research interests include magnetic bearing, numerical and analytical methods.

R. Mehasni, Laboratoire d’électrotechnique de Constantine (LEC) Université des frères Mentouri Constantine 1, Route Ain Elbey, 25000 Constantine, Algérie

Rabia Mehasni was born in Grarem, Algeria, in 1970. He received the Ph.D. in Electrical Engineering from the University of Constantine, Algeria, in 2007. He has been with the Department of Electrical Engineering, University of Constantine, since 2000. He is currently Research Director at the LEC Laboratory. He has published in the field of magnetic separation. His research interests are in the field of numerical methods and modeling techniques to approach multidisciplinary problems.

M. Feliachi, Laboratoire IREENA (UR 4642) Nantes Université, CRTT, 37 boulevard de l’Université, CS 90406, 44600 Saint-Nazaire, France

Mouloud Feliachi is native of Biskra (Algeria). He is an Engineer of the “Ecole Nationale Polytechnique”, Algiers (1976), a Ph.D. of the “Conservatoire National des Arts et Métiers”, Paris (1981), and “Docteur d’Etat Es-Sciences Physiques” of “Institut National Polytechnique”, Grenoble (1986), all in Electrical Engineering. In 1987, he worked as an Engineer for the Leroy Somer company in Orléans. In 1988, he joined the University of Nantes (Institut Universitaire de Technologie - Saint-Nazaire) where he is Professor. He was Scientific Director of LRTI-Lab and Head of the Modeling and Simulation team in GE44-Lab. He is currently leading a Franch Algerian thematic network of research in Inductics, within IREENA Lab. His research interests are in hybrid analytical and numerical modeling of low frequency electromagnetic phenomena with emphasis on multiphysics and eddy current non-destructive testing and evaluation.

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Published

2024-09-30

How to Cite

[1]
N. . Boutra, R. . Mehasni, and M. . Feliachi, “Modeling and Analysis of a Proposed AC-DC C-Core Heteropolar Radial Hybrid Magnetic Bearing”, ACES Journal, vol. 39, no. 09, pp. 814–822, Sep. 2024.

Issue

2024: Vol 39 Iss 9

Section

General Submission

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