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Performance Analysis and Optimization of a H-type Flux Switching Linear Generator for Wave Energy Converters

Lookup NU author(s): Dr Ehsan FarahaniORCiD, Professor Nick BakerORCiD, Farshid Mahmouditabar

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Abstract

© The Institution of Engineering & Technology 2023.Two H-type flux switching permanent magnet linear generators (FSPMLGs) with outer-translator and inner-translator configurations are discussed for use in wave energy converters and compared to a more conventional flux switching topology. The translators consist of six H-Type modules, each of which is surrounded by two permanent magnets (PMs). In conventional FSPM machines the windings are twisted around the PMs, whereas in the H-type topologies the PMs are sandwiched between adjacent coils. The proposed topologies are designed for a low operating speed which is equal to the nominal speed of a wave energy converter. Using finite element analysis (FEA), the H-type topologies and the conventional structure are simulated, and the results are extracted in terms of the magnetic flux density distribution, flux line, thrust force, back emf, and efficiency. All topologies are optimised using the Taguchi optimisation approach with the goals of reducing force ripple and increasing the average thrust force and efficiency. The results of the proposed topologies, and the conventional structure are compared in several aspects such as average thrust force, force ripple, loss, and efficiency.


Publication metadata

Author(s): Farahani EF, Baker NJ, Mahmouditabar F

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IET Conference Proceedings

Year of Conference: 2023

Pages: 255-263

Online publication date: 21/11/2023

Acceptance date: 02/04/2018

Publisher: Institution of Engineering and Technology

URL: https://doi.org/10.1049/icp.2023.2007

DOI: 10.1049/icp.2023.2007

Library holdings: Search Newcastle University Library for this item

ISBN: 9781839539503


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