DocumentCode :
1183073
Title :
Synthesis of High-Performance PM Motors with Concentrated Windings
Author :
Cros, Jerome ; Viarouge, Philippe
Author_Institution :
LEEPCI, Laval University Ste-Foy, Quebec, Canada
Volume :
22
Issue :
4
fYear :
2002
fDate :
4/1/2002 12:00:00 AM
Firstpage :
74
Lastpage :
74
Abstract :
The windings concentrated around the teeth offer obvious advantages for the electrical machines with radial air-gap, because the volume of copper 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 electrical degrees, i. e., to a winding with performances reduced compared to the traditional structures. But there is a significant number of three-phase structures that can support a concentrated winding if the number of poles is increased. In this article, the authors 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 that 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.
Keywords :
Brushless motors; Control systems; Feedback control; Generators; Hybrid electric vehicles; Machine windings; Power generation; Power generation economics; Synchronous machines; Testing; PM motors; Windings; brushless motors; concentrated windings; design of electrical machines;
fLanguage :
English
Journal_Title :
Power Engineering Review, IEEE
Publisher :
ieee
ISSN :
0272-1724
Type :
jour
DOI :
10.1109/MPER.2002.4312124
Filename :
4312124
Link To Document :
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