An Overview of Rotor Losses Determination in Three-Phase Fractional-Slot PM Machines

被引：87
|
作者：
Bianchi, Nicola [1 ]
Bolognani, Silverio [1 ]
Fornasiero, Emanuele [1 ]
机构：
[1] Univ Padua, Dept Elect Engn, I-35131 Padua, Italy
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2010年 / 46卷 / 06期
关键词：
Analytical models; eddy current losses; finite element analysis; losses; permanent magnet generators; permanent magnet machines; permanent magnet motors; rotors; synchronous motors; windings; EDDY-CURRENT LOSS; SHIELD THICKNESS; OPTIMIZATION; MAGNETS;
D O I：
10.1109/TIA.2010.2070472
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Three-phase fractional-slot PM machines are more and more used in many applications. In spite of the several advantages, these machines exhibit high contents of space harmonics in the air-gap MMF distribution, whose amplitude depends on the particular combination of number of slots and poles. The main consequence of such harmonic contents is the induced losses in the rotor. The aim of this paper is to link the rotor losses to the combination of slots and poles of the PM machine. The effort is to determine a general rule to single out easily if a machine topology is suitable or not, as far as the rotor losses are concerned. Both overlapped and non-overlapped coil fractional-slot windings are considered.
引用
收藏
页码：2338 / 2345
页数：8
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