Novel dual-airgap axial field fault-tolerant flux switching permanent magnet machines with high torque performance

Zhao, Weihao; Lipo, T. A.; Kwon, B.

doi:10.1109/intmag.2015.7157399

2015 IEEE Magnetics Conference (INTERMAG) 2015

DOI: 10.1109/intmag.2015.7157399

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Novel dual-airgap axial field fault-tolerant flux switching permanent magnet machines with high torque performance

Weihao Zhao¹,

T. A. Lipo²,

B. Kwon³

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2016

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Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets

Shi

Sun

et al. 2016

Energies

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This paper presents a comprehensive analytical model for dual rotor radial flux wind generators based on the equivalent magnetic circuit method. This model is developed to predict the flux densities of the inner and outer air gaps, flux densities of the rotor and stator yokes, back electromotive force (EMF), electromagnetic torque, cogging torque, and some other characteristics important for generator design. The 2D finite element method (FEM) is employed to verify the presented analytical model, fine-tune it, and validate the prediction precision. The results show that the errors between the proposed analytical model and the FEM results are less than 5% and even less than 1% for certain parameters, that is, the results obtained from the proposed analytical model match well the ones obtained from FEM analysis. Meanwhile, the working points at different temperatures are confirmed to exceed the knee point of the BH curve, which means that irreversible demagnetization does not occur. Finally, the optimization by FEM with the objective of fully using the inner space of the generator, decreasing the cogging torque, and reducing the total harmonic distortion (THD) of back EMF is performed.

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Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets

Shi

Sun

et al. 2016

Energies

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Novel dual-airgap axial field fault-tolerant flux switching permanent magnet machines with high torque performance

Cited by 1 publication

References 5 publications

Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets

Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets

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