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Improvement of Concentrated Winding Layouts for Six-Phase Squirrel Cage Induction Motors
IEEE Transactions on Energy Conversion ( IF 4.9 ) Pub Date : 2020-12-01 , DOI: 10.1109/tec.2020.2995433
Ghasem Rezazadeh , Farzad Tahami , Gerard-Andre Capolino , Silvio Vaschetto , Zahra Nasiri-Gheidari , Humberto Henao

The fault-tolerant capability is a prerequisite for electrical safety-critical applications. In this regard, multi-phase induction motors are well-known actuators used to provide this feature. Compared to conventional three-phase machines with distributed windings, induction machines having concentrated windings could be more fault-tolerant because of increasing the number of phases. In addition, concentrated windings have shorter end-winding and less required copper weight which makes it a lower cost solution compared to distributed windings. However, concentrated windings adversely increase the distortion of the air gap flux density which affects motor performances. In this paper, a pseudo-concentrated winding layout has been proposed for six-phase squirrel-cage induction motors to improve performances compared to conventional concentrated windings. Winding function and equivalent circuit methods are used to analytically calculate performances. Finally, time-stepping finite element method and experimental measurements have been presented to confirm obtained analytical results.

中文翻译:

六相鼠笼式感应电机集中绕组布局的改进

容错能力是电气安全关键应用的先决条件。在这方面,多相感应电机是众所周知的用于提供此功能的致动器。与具有分布式绕组的传统三相电机相比,具有集中绕组的感应电机由于增加了相数而具有更高的容错能力。此外,集中绕组的端部绕组更短,所需的铜重量更轻,与分布式绕组相比,这是一种成本更低的解决方案。然而,集中绕组不利地增加了影响电机性能的气隙磁通密度的失真。在本文中,已经为六相鼠笼式感应电机提出了伪集中绕组布局,以提高与传统集中绕组相比的性能。绕组函数和等效电路方法用于分析计算性能。最后,提出了时间步进有限元方法和实验测量,以确认获得的分析结果。
更新日期:2020-12-01
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