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Iranian Journal of Electrical and Electronic Engineering، جلد ۱۷، شماره ۲، صفحات ۱۸۰۲-۱۸۰۲
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عنوان انگلیسی The Effect of Magnet Width and Iron Core Relative Permeability on Iron Pole Radii Ratio in Spoke-Type Permanent-Magnet Machine: An Analytical, Numerical and Experimental Study
چکیده انگلیسی مقاله In this paper, we present a mathematical model for determining the optimal radius of the iron pole shape in spoke-type permanent-magnet (PM) machines (STPMM) in order to minimize the pulsating torque components. The proposed method is based on the formal resolution of the Laplace's and Poisson's equations in a Cartesian pseudo-coordinate system with respect to the relative permeability effect of iron core in a subdomain model. The effect of PM width on the optimal radius of the iron pole has been investigated. In addition, for initial and optimal machines, the effect of the iron core relative permeability on the STPMM performances was studied at no-load and on-load conditions considering three certain PM widths. Moreover, the effect of iron pole shape on pulsating torque components with respect to certain values of iron core relative permeability was studied by comparing cogging torque, ripple and reluctance torque waveforms. In order to validate the results of the proposed analytical model, three motors with different PM widths were considered as case studies and their performance results were compared analytically and numerically. Two prototype spoke-type machines were fabricated and the experimental results were compared to analytical results. It can be seen that the analytical modeling results are consistent with the numerical analysis and experimental results.
کلیدواژه‌های انگلیسی مقاله Analytical Model, Pulsating Torque Components, Iron Pole Shape Optimization, Finite Iron Core Relative Permeability, Quasi-Cartesian Coordinates, Subdomain Technique, Experimental Validation.
نویسندگان مقاله | A. Jabbari
Mechanical Engineering Department, Arak University, Arak, Iran.


| F. Dubas
Département ENERGIE, FEMTO-ST, CNRS, Université Bourgogne Franche-Comté, F90000 Belfort, France.
نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-1682-7&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Special Electric Machines
نوع مقاله منتشر شده Research Paper
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