Design considerations for the tooth shoe shape for high-speed permanent magnet generators

Zhang, He, Zhang, Xiaochen, Gerada, C., Galea, Michael, Gerada, David and Li, Jing (2015) Design considerations for the tooth shoe shape for high-speed permanent magnet generators. IEEE Transactions on Magnetics, 51 (11). 8112904/1-8112904/4. ISSN 0018-9464

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This paper presents a study of the effects that the shoe shape of the teeth of electrical machines has on the performance and losses. This is done by considering a concentrated wound, high-speed permanent magnet generator. The paper investigates the influence of the tooth shoe shape on the machine magnetic circuit and the losses distribution based on analytical and finite-element analysis (FEA). A shape coefficient Kt is proposed to provide an optimized design reference. A comprehensive analytical tool able to study the variations of the machine performance parameters is proposed. The deduced optimization function is normalized using the non-equilibrium relative weighting method, and then, it is processed via a genetic algorithm to achieve the optimized design. FEA is used to validate the proposed analytical tool and the optimum design.

Item Type: Article
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Keywords: finite element analysis, genetic algorithms, permanent magnet generators, electrical machines, high-speed permanent magnet generators, losses distribution, machine magnetic circuit, machine performance parameters, non-equilibrium relative weighting method, tooth shoe shape, high-speed electrical machine, optimization, tooth shoe, Footwear, Generators, Rotors, Shape, Stator cores, Stator windings
Schools/Departments: University of Nottingham Ningbo China > Faculty of Science and Engineering
University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number:
Depositing User: Burns, Rebecca
Date Deposited: 08 Jun 2016 13:28
Last Modified: 04 May 2020 17:10

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