Prototype development of a fully coreless multi-stage axial-flux permanent-magnet machine (AFPM) through the performance comparison between single-stator double-rotor (SSDR) and double-stator single-rotor (DSSR) configurations

Alsuwian, Turki and Habib, Asiful and Zainuri, Muhammad Ammirrul Atiqi Mohd and Ibrahim, Ahmad Asrul and Tousizadeh, Mahdi and Alhawari, Adam R.H. and Almawgani, A.H.M. and Almasabi, Saleh (2024) Prototype development of a fully coreless multi-stage axial-flux permanent-magnet machine (AFPM) through the performance comparison between single-stator double-rotor (SSDR) and double-stator single-rotor (DSSR) configurations. Alexandria Engineering Journal, 92. pp. 283-293. ISSN 1110-0168, DOI https://doi.org/10.1016/j.aej.2024.02.023.

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Official URL: https://doi.org/10.1016/j.aej.2024.02.023

Abstract

Cascading rotor and stator in axial flux permanent magnet (AFPM) machine is a beneficial concept to increase the power density without increasing the diameter of the machine. Multi-stage AFPM can provide higher torque capability in applications requiring high power density. In this regard single-stator double- rotor (SSDR) and double-stator single-rotor (DSSR) are efficient machines compared to single -stage AFPM. Since SSDR and DSSR are also considered modular units to make multi-stage AFPM, like single-stage AFPM, this paper makes a comparison with analysis between SSDR and DSSR AFPM machines. Based on 3-D finite element analysis (FEA), the air-gap magnetic flux, voltage, current, torque, torque ripple, power and power density, efficiency are comparatively investigated to evaluate their performance. Results show that fully coreless topology only be achieved in SSDR AFPM machine with a higher power density. Finally, a prototype multi-stage coreless generator has been developed using a single stator double rotor (SSDR) configuration to justify the fully coreless concept. This prototype coreless generator eliminates eddy current losses and reduces weight, making it a suitable option for certain portable applications.

Item Type: Article
Funders: Deputy for Research and Innovation-Ministry of Education, kingdom of Saudi Arabia (NU/IFC/2/SERC/-/43)
Uncontrolled Keywords: Coreless; AFPM; SSDR; DSSR; Multi -stage
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > UM Power Energy Dedicated Advanced Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 14 Oct 2024 07:57
Last Modified: 14 Oct 2024 07:57
URI: http://eprints.um.edu.my/id/eprint/45343

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