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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2015-09-01
Reduction of Eddy Current Loss of Permanent-Magnet Machines with Fractional Slot Concentrated Windings
By
Jinghua Ji,

    Dr. Jinghua Ji

    School of Electrical and Information Engineering

    Jiangsu University

    China

    Homepage

Haiyou Chen,

    Dr. Haiyou Chen

    School of Electrical and Information Engineering

    Jiangsu University

    China

    Homepage

Wenxiang Zhao

    Prof. Wenxiang Zhao

    School of Electrical and Information Engineering

    Jiangsu University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 56, 39-46, 2015
doi:10.2528/PIERL15072006 | Google Scholar

Abstract
Fractional slots concentrated windings (FSCWs) are characterized with high magnetic motive force (MMF) harmonics which results in undesirable effects on permanent-magnet (PM) machines. A new design technique is reported in this paper in order to simultaneously reduce the sub- and high MMF harmonics. By using multiple layer windings and different turns per coil, a new 18-teeth/10-poles FSCWs PM machine is designed. Then, this machine is evaluated as compared with a conventional 12-teeth/10-poles FSCWs PM machine. Both machines are designed under the same electrical and geometrical constrains. The obtained results verify the high performances of the newly designed machine. Due to the adopted new winding type, the proposed design can effectively reduce eddy current loss in PMs as compared with the conventional design.
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Citation
Jinghua Ji, Haiyou Chen, and Wenxiang Zhao, "Reduction of Eddy Current Loss of Permanent-Magnet Machines with Fractional Slot Concentrated Windings," Progress In Electromagnetics Research Letters, Vol. 56, 39-46, 2015.
doi:10.2528/PIERL15072006
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