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A Homothetic Scaling Criteria for Synchronous Reluctance Machines Design

Murataliyev, Mukhammed; Degano, Michele; Di Nardo, Mauro; Prystupa, Dmytro; Shuo, Wang; Buticchi, Giampaolo; Zhang, He; Gerada, Chris; Galea, Michael


Mukhammed Murataliyev

Research Fellow in Electricalmachines

Dmytro Prystupa

Wang Shuo

Giampaolo Buticchi

He Zhang

Professor of Electrical Machines and Drives


This paper proposes a concept for homothetic scaling of Synchronous Reluctance (SynRel) machines with the aim to generate a design for a wide range of power ratings. A generalized modeling approach, based on the saliency ratio, is presented in detail to analytically evaluate the magnetic behavior of the scaled SynRel machines. The analytical model has been applied to a wide range of machines and validated through finite element analysis. General scaling functions are derived to size and evaluate the performance of the scaled machines using the data resulting from the analytical model. The accuracy of the proposed functions is validated, for a range of operating conditions, comparing the results with the experimental measurement carried out on two 4-poles SynRel prototypes. These have been designed using the homothetic method proposed, which has been proven to be a quick and accurate preliminary sizing tool for SynRel motors.


Murataliyev, M., Degano, M., Di Nardo, M., Prystupa, D., Shuo, W., Buticchi, G., …Galea, M. (2021). A Homothetic Scaling Criteria for Synchronous Reluctance Machines Design. IEEE Transactions on Energy Conversion, 36(1), 547-559.

Journal Article Type Article
Acceptance Date Jul 18, 2020
Online Publication Date Jul 24, 2020
Publication Date 2021-03
Deposit Date Jul 22, 2020
Publicly Available Date Jul 24, 2020
Journal IEEE Transactions on Energy Conversion
Print ISSN 0885-8969
Electronic ISSN 1558-0059
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 36
Issue 1
Pages 547-559
Keywords Synchronous Reluctance Machines; Analytical modelling; Saliency ratio; Sizing Methods; Homothetic scaling
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