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Steady‐state performance analysis for hysteresis motor with magnetic anisotropy

Kazumi Kurihara (Ibaraki University, Hitachi, Japan)
Tomotsugu Kubota (Ibaraki University, Hitachi, Japan)

Abstract

Purpose

The purpose of this paper is to present a novel steady‐state performance analysis for the hysteresis motor whose rotor ring is made of Fe‐Cr‐Co magnet steel with magnetic anisotropy.

Design/methodology/approach

In order to analyze the motor performance at synchronous pull‐out, the finite‐element method is used, where hysteresis torque is obtained from the magnetic field analysis of the hysteresis motor with the isotropic magnet. The reluctance torque due to magnetic anisotropy can be obtained by using the difference of the B‐H hysteresis‐loop area between the anisotropic and isotropic magnets.

Findings

The good agreement between computed and measured performance in an experimental motor validates the proposed analysis.

Originality/value

The proposed method is quite useful for the design and analysis of the hysteresis motor with magnetic anisotropy.

Keywords

Citation

Kurihara, K. and Kubota, T. (2008), "Steady‐state performance analysis for hysteresis motor with magnetic anisotropy", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 27 No. 4, pp. 830-835. https://doi.org/10.1108/03321640810878234

Publisher

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Emerald Group Publishing Limited

Copyright © 2008, Emerald Group Publishing Limited