Design criteria for high-efficiency SPM synchronous motors

被引：84
作者：
Bianchi, Nicola [1 ]
Bolognani, Silverio [1 ]
Frare, Paolo [1 ]
机构：
[1] Univ Padua, Dept Elect Engn, I-35131 Padua, Italy
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 2006年 / 21卷 / 02期
关键词：
electrical machines design; high-efficiency machines; permanent magnet (PM) motor drives;
D O I：
10.1109/TEC.2005.853720
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper deals with the design criteria for a high-efficiency permanent magnet synchronous motor. The goal is not pursued by a trivial reduction of the electric and magnetic loadings (which decrease motor losses) but optimizing a set of motor design variables, without increasing the overall dimensions, which are typically imposed as design constraints. The effect of the number of slots and of the inner-to-outer diameter ratio on motor losses is investigated. The possibility of designing a stator with a tooth length lower than the total core length, using soft magnetic composites, is studied. Finally, a criterion is proposed to evaluate the convenience of using a nonoverlapping winding. An analytical approach is adopted so as to allows the obtained results to be useful for a wide variety of permanent magnet machines.
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收藏
页码：396 / 404
页数：9
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