Synthesis of high performance pm motors with concentrated windings

被引:10
|
作者
Cros, J [1 ]
Viarouge, P [1 ]
机构
[1] Univ Laval, LEEPCI, Elect & Comp Engn Dept, St Foy, PQ G1K 7P4, Canada
来源
IEMDC'99 - IEEE INTERNATIONAL ELECTRIC MACHINES AND DRIVES CONFERENCE, PROCEEDINGS | 1999年
关键词
D O I
10.1109/IEMDC.1999.769226
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The windings concentrated around the teeth offer obvious advantages for the electric machines with radial air-gap, because the volume of topper used in the end-windings can be reduced. The Joule losses are decreased and the efficiency is improved. These machines are still limited to applications of subfractional power and they generally present a reduced number of phases. In the three-phase machines, the concentrated winding is too often restricted to a winding with a short pitch of 120 electric degrees, i.e. to a winding with performances reduced compared to the traditional structures. But there is a significant number of three-phase structures which can support a concentrated winding if the number of poles is increased. In this article, the author present a synthesis of the structures of three-phase machines with concentrated windings. In the first part, the structures with a regular distribution of the slots are presented. A systematic method is proposed to determine the windings and the performances are discussed. In the second part, the authors present original structures of three-phase machines with concentrated windings which use an irregular distribution of the slots. A specific method to identify these structures is described and a comparative analysis of the performances of the original and traditional structures is performed by using a field calculation software.
引用
收藏
页码:725 / 727
页数:3
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