A comparative study on the performance of SSDR coreless AFPM generators with conventional and Halbach magnet arrays

Habib, Asiful and Che, Hang Seng and Sulaiman, Erwan and Tousizadeh, Mahdi (2021) A comparative study on the performance of SSDR coreless AFPM generators with conventional and Halbach magnet arrays. Journal of Engineering Research, 9 (4A). pp. 135-160. ISSN 2307-1877, DOI https://doi.org/10.36909/jee:8811.

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Abstract

An axial flux permanent magnet (AFPM) generator is known to be a good candidate for both low- and high-speed applications. In this paper, a comprehensive comparison of four coreless AFPM generators is presented with conventional and Halbach magnet arrangement combined with iron and ironless rotor (epoxy). With the same coreless stator structure, four different AFPM generators with different rotor magnet arrangement and materials are compared in terms of voltage, current, power, machine weight, and power density. The analytical design approach is first presented and is subsequently validated using ANSYS Maxwell electromagnetic finite element analysis (FEA) software. Results show that AFPM machine with fully coreless topology using Halbach array with epoxy rotor can deliver similar power density but has a lower cost compared to conventional magnet array with iron rotor. Hence, this topology is favorable for low power low cost applications.

Item Type: Article
Funders: Universiti Malaya[MO0132016]
Uncontrolled Keywords: Axial flux;Coreless;Conventional array;Permanent magnet generator;Halbach array
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TP Chemical technology
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > UM Power Energy Dedicated Advanced Centre
Depositing User: Ms Zaharah Ramly
Date Deposited: 17 Oct 2022 07:15
Last Modified: 17 Oct 2022 07:15
URI: http://eprints.um.edu.my/id/eprint/35283

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