Design considerations for the tooth shoe shape for high-speed permanent magnet generatorsTools Zhang, He and Zhang, Xiaochen and Gerada, C. and Galea, Michael and 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 Full text not available from this repository.AbstractThis 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.
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