Reduction of Eddy-Current Losses in Fractional-Slot Concentrated-Winding Synchronous PM Motors

被引：31
|
作者：
Chaithongsuk, Sisuda [1 ]
Takorabet, Noureddine [2 ]
Kreuawan, Sangkla [3 ]
机构：
[1] Rajamangala Univ Technol Suvarnabhumi, Nonthaburi 11000, Thailand
[2] Univ Lorraine, Grp Rech Electrotech & Elect Nancy, F-54516 Nancy, France
[3] Natl Elect & Comp Technol Ctr, Adv Automat Elect Res Unit, Machine & Drive Design Lab, Pathum Thani 12120, Thailand
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2015年 / 51卷 / 03期
关键词：
Eddy-current losses; fractional-slot winding; permanent magnet (PM) motor;
D O I：
10.1109/TMAG.2014.2359057
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：
This paper focuses on the reduction of eddy-current losses in fractional-slot inset permanent magnet motors. The flux paths of the armature reaction is modified based on pulsewidth modulation technique. Undesirable harmonic contents of the air-gap flux density can be reduced. This improves back electromotive force waveform quality and reduces the amplitude of eddy currents in the solid rotor and magnets. Rotor losses are strongly reduced by this technique.
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页数：4
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