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Analysis and design of a coreless permanent-magnet machine considering the winding shape by using a lumped equivalent magnetic circuit model

Published online by Cambridge University Press:  05 June 2014

Jung-Moo Seo ,
In-Soung Jung ,
Hyun-Kyo Jung  and
Jong-Suk Ro
Jung-Moo Seo
Affiliation:
Korea Electronics Technology Institute, 420-140 Gyeonggi, Korea Department of Electrical and Computer Engineering, Seoul National University, 151-742 Seoul, Korea
In-Soung Jung
Affiliation:
Korea Electronics Technology Institute, 420-140 Gyeonggi, Korea
Hyun-Kyo Jung
Affiliation:
Korea Electronics Technology Institute, 420-140 Gyeonggi, Korea
Jong-Suk Ro*
Affiliation:
Creative Research Engineer Development, Brain Korea 21 Plus, Seoul National University, 151-742 Seoul, Korea
*
ae-mail: jongsukro@naver.com
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Abstract

A simple and rapid analysis and design method is proposed for a coreless permanent magnet machine (CPMM) using a hexagonal winding (HW). The HW, which combines a rectangular winding (RTW) and rhombic winding (RBW), can compensate for the disadvantages and maximize the advantages of the RTW and RBW. The CPMM is typically analyzed using complex differential equations or a timeconsuming finite element analysis (FEA). To address this problem, a relatively simpler and less timeconsuming analysis method is proposed by using a lumped equivalent magnetic circuit (LEMC) model. Furthermore, an effect of winding angle on a motor performance is analyzed via precise inspection of the relationship between the variables of the HW and the characteristics of motor. The validity and usefulness of the proposed method are verified via FEA and experiment.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 66 , Issue 2 , May 2014 , 20902
Copyright
© EDP Sciences, 2014

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