Design and Experimental Verification of an 18-Slot/14-pole Fractional-Slot Concentrated Winding Interior Permanent Magnet Machine

Author

Dutta, Ritaban ; Chong, Liu ; Rahman, M.F.

Author_Institution

Sch. of Electr. Eng. & Telecom, Univ. of New South Wales, Sydney, NSW, Australia

Volume

28

Issue

1

fYear

2013

fDate

41334

Firstpage

181

Lastpage

190

Abstract

This paper presents the design and the experimental verification of an 18-slot/14-pole fractional-slot concentrated winding interior permanent magnet machine. The prototype machine was optimized for wide constant power speed range (7:1) and very low cogging torque, two of the most important requirements for traction machines. Measured performance of the constructed prototype machine has confirmed the finite-element modeling results. Experience gained from this study has led to develop a set of design rules for the concentrated winding (CW)- interior permanent magnet (IPM) machine. Scaling up of the prototype design based on these rules is also discussed in this paper.

Keywords

finite element analysis; machine windings; permanent magnet machines; traction motors; 18-slot-14-pole fractional-slot concentrated winding interior permanent magnet machine; CW-IPM machine; cogging torque; finite-element modeling; traction machines; Air gaps; Power capacitors; Prototypes; Rotors; Stators; Torque; Windings; Concentrated winding (CW); constant power speed ratio (CPSR); finite-element analysis (FEA); fractional-slot concentrated winding (FSCW); interior permanent magnet (IPM) machine; traction drive;

fLanguage

English

Journal_Title

Energy Conversion, IEEE Transactions on

Publisher

ieee

ISSN

0885-8969

Type

jour

DOI

10.1109/TEC.2012.2229281

Filename

6378445