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Design and Analysis of a Flux-Concentrated Linear Vernier Hybrid Machine With Consequent Poles | IEEE Journals & Magazine | IEEE Xplore

Design and Analysis of a Flux-Concentrated Linear Vernier Hybrid Machine With Consequent Poles


Abstract:

In low-speed applications, variable-reluctance permanent magnet machines are often proposed due to their efficient use of magnet material and high torque density. This be...Show More

Abstract:

In low-speed applications, variable-reluctance permanent magnet machines are often proposed due to their efficient use of magnet material and high torque density. This becomes even more important in large linear applications, where the translator is longer than the stator. Often, however, very low power factors are experienced by this class of machines. This paper proposes a V-shaped flux concentrated version of a consequent pole linear Vernier hybrid permanent magnet machine and compares it to a surface-mounted magnet variant. Using finite-element analysis validated by two laboratory prototypes, it is shown that the flux-concentrated version increases the airgap flux density, which potentially leads to an improvement in the force density and efficiency or can be used to increase the operating power factor.
Published in: IEEE Transactions on Industry Applications ( Volume: 55, Issue: 5, Sept.-Oct. 2019)
Page(s): 4595 - 4604
Date of Publication: 22 May 2019

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