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Modelling, Analysis, and Design of a Line-Start Permanent Magnet Synchronous Motor

Vannini, A.; Simonelli, C.; Marfoli, A.; Papini, L.; Bolognesi, P.; Gerada, C.


A. Vannini

C. Simonelli

A. Marfoli

L. Papini

P. Bolognesi


Line-Start Permanent Magnet Motors are a valid alternative to conventional three-phase induction motors and wound-field synchronous machines for fixed-speed applications direct fed by the grid, targeting superior efficiency and high reliability. A general analytical-numerical approach is presented to model SPM type rotors with embedded squirrel cage, aiming to permit completing both a preliminary design and an effective assessment of the starting and synchronisation capabilities. As a case study, the preliminary design of a 8 MW @ 3000 rpm LSPMSM for large compressors is presented, targeting unity power factor as well as low current THD. The electromagnetic design of the machine is validated by means of a Finite Element (FE) model developed on purpose.


Vannini, A., Simonelli, C., Marfoli, A., Papini, L., Bolognesi, P., & Gerada, C. (2022). Modelling, Analysis, and Design of a Line-Start Permanent Magnet Synchronous Motor. .

Conference Name 2022 International Conference on Electrical Machines (ICEM)
Conference Location Valencia, Spain
Start Date Sep 5, 2022
End Date Sep 8, 2022
Acceptance Date Jun 16, 2022
Online Publication Date Oct 13, 2022
Publication Date Sep 5, 2022
Deposit Date Jan 5, 2023
Publicly Available Date Jan 5, 2023
Publisher Institute of Electrical and Electronics Engineers
Pages 834-840
Series Title International Conference on Electrical Machines (ICEM)
Series ISSN 2381-4802
ISBN 9781665414333
Public URL
Publisher URL


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