Calculation of eddy current loss in axial field permanent-magnet machine with coreless stator

Author

Wang, Rong-Jie ; Kamper, Maarten J.

Author_Institution

Dept. of Electr. Eng., Univ. of Stellenbosch, Matieland, South Africa

Volume

19

Issue

3

fYear

2004

Firstpage

532

Lastpage

538

Abstract

This paper presents a hybrid method for the calculation of eddy current loss in coreless stator axial field permanent-magnet (AFPM) machines. The method combines the use of two-dimensional finite element (FE) field analysis and the closed-form eddy loss formula. To account for three-dimensional field effects in an AFPM machine, a multilayer and multislice modeling technique has been devised. Experimental tests are carried out to validate the method. It is shown that the proposed method predicts the eddy current losses of a coreless stator AFPM machine with high accuracy.

Keywords

eddy current losses; finite element analysis; permanent magnet machines; stators; AFPM machines; axial field permanent-magnet machines; closed-form eddy loss formula; coreless stators; eddy current loss; multilayer modeling technique; multislice modeling technique; three-dimensional field effects; two-dimensional finite element field analysis; Conductors; Eddy currents; Finite element methods; Machine windings; Magnetic cores; Magnetic fields; Magnets; Stator cores; Stator windings; Topology; Axial field; FE; PM; eddy currents; finite-element; machine; method; permanent-magnet;

fLanguage

English

Journal_Title

Energy Conversion, IEEE Transactions on

Publisher

ieee

ISSN

0885-8969

Type

jour

DOI

10.1109/TEC.2004.832043

Filename

1325291