Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor

Additive manufacturing is acknowledged as a key enabling technology, although its adoption is still constrained to niche applications. A promising area for this technology is the production of electrical machines (EMs) and/or their main components (e.g. magnetic cores, windings, heat exchangers, etc...

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Main Authors: Leonidas Gargalis, Vincenzo Madonna, Paolo Giangrande, Roberto Rocca, Mark Hardy, Ian Ashcroft, Michael Galea, Richard Hague
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9256277/
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author Leonidas Gargalis
Vincenzo Madonna
Paolo Giangrande
Roberto Rocca
Mark Hardy
Ian Ashcroft
Michael Galea
Richard Hague
author_facet Leonidas Gargalis
Vincenzo Madonna
Paolo Giangrande
Roberto Rocca
Mark Hardy
Ian Ashcroft
Michael Galea
Richard Hague
author_sort Leonidas Gargalis
collection DOAJ
description Additive manufacturing is acknowledged as a key enabling technology, although its adoption is still constrained to niche applications. A promising area for this technology is the production of electrical machines (EMs) and/or their main components (e.g. magnetic cores, windings, heat exchangers, etc.) due to the potential of creating lightweight, highly efficient rotating motors, suitable for applications requiring a low moment of inertia. This work investigates the readiness of metal additive manufacturing, specifically Laser Powder Bed Fusion (LPBF), applied to the field of EMs to bridge the gaps of how to use this technological approach in this field. A soft magnetic material featuring high silicon content (Fe-5.0%w.t.Si) has been developed for LPBF and a rotor has been 3D-printed for a switched reluctance machine. The printed rotor was assembled into a conventionally laminated stator and the performance of the whole machine was evaluated. Its performance was compared against an identical machine equipped with a laminated rotor of the same dimensions made of conventional non-oriented silicon steel. A comparative study was carried out through both finite element simulations and experimental tests. The efficiency of the two machines was assessed together with the principal electrical and mechanical quantities under several operating conditions.
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spelling doaj.art-0f44fb654c22451db94cdc89366829832022-12-21T18:13:50ZengIEEEIEEE Access2169-35362020-01-01820698220699110.1109/ACCESS.2020.30371909256277Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance MotorLeonidas Gargalis0https://orcid.org/0000-0002-2739-1115Vincenzo Madonna1https://orcid.org/0000-0003-4470-9735Paolo Giangrande2https://orcid.org/0000-0002-2328-5171Roberto Rocca3https://orcid.org/0000-0001-5996-2755Mark Hardy4https://orcid.org/0000-0001-6746-2224Ian Ashcroft5Michael Galea6https://orcid.org/0000-0002-9094-611XRichard Hague7Centre for Additive Manufacturing (CfAM), Faculty of Engineering, University of Nottingham, Nottingham, U.K.Power Electronics, Machines and Control Group, Faculty of Engineering, University of Nottingham, Nottingham, U.K.Power Electronics, Machines and Control Group, Faculty of Engineering, University of Nottingham, Nottingham, U.K.Research Centre for Energy Resources and Consumption (CIRCE), Zaragoza, SpainCentre for Additive Manufacturing (CfAM), Faculty of Engineering, University of Nottingham, Nottingham, U.K.Centre for Additive Manufacturing (CfAM), Faculty of Engineering, University of Nottingham, Nottingham, U.K.Power Electronics, Machines and Control Group, Faculty of Engineering, University of Nottingham, Nottingham, U.K.Centre for Additive Manufacturing (CfAM), Faculty of Engineering, University of Nottingham, Nottingham, U.K.Additive manufacturing is acknowledged as a key enabling technology, although its adoption is still constrained to niche applications. A promising area for this technology is the production of electrical machines (EMs) and/or their main components (e.g. magnetic cores, windings, heat exchangers, etc.) due to the potential of creating lightweight, highly efficient rotating motors, suitable for applications requiring a low moment of inertia. This work investigates the readiness of metal additive manufacturing, specifically Laser Powder Bed Fusion (LPBF), applied to the field of EMs to bridge the gaps of how to use this technological approach in this field. A soft magnetic material featuring high silicon content (Fe-5.0%w.t.Si) has been developed for LPBF and a rotor has been 3D-printed for a switched reluctance machine. The printed rotor was assembled into a conventionally laminated stator and the performance of the whole machine was evaluated. Its performance was compared against an identical machine equipped with a laminated rotor of the same dimensions made of conventional non-oriented silicon steel. A comparative study was carried out through both finite element simulations and experimental tests. The efficiency of the two machines was assessed together with the principal electrical and mechanical quantities under several operating conditions.https://ieeexplore.ieee.org/document/9256277/Additive manufacturinglaser powder bed fusionsoft magnetic materialsilicon steelswitched reluctance machine3D printed rotor
spellingShingle Leonidas Gargalis
Vincenzo Madonna
Paolo Giangrande
Roberto Rocca
Mark Hardy
Ian Ashcroft
Michael Galea
Richard Hague
Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor
IEEE Access
Additive manufacturing
laser powder bed fusion
soft magnetic material
silicon steel
switched reluctance machine
3D printed rotor
title Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor
title_full Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor
title_fullStr Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor
title_full_unstemmed Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor
title_short Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor
title_sort additive manufacturing and testing of a soft magnetic rotor for a switched reluctance motor
topic Additive manufacturing
laser powder bed fusion
soft magnetic material
silicon steel
switched reluctance machine
3D printed rotor
url https://ieeexplore.ieee.org/document/9256277/
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