Improving Saliency of High-Speed Synchronous Reluctance Machine Using Rotor Sleeve made of Bi-State Magnetic Material

2022 IEEE 2nd International Conference on Sustainable Energy and Future Electric Transportation (SeFeT) Pub Date : 2022-08-04 DOI:10.1109/SeFeT55524.2022.9908614

R. Ram kumar, G. Vakil, C. Gerada

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Abstract

Synchronous reluctance (SynRel) machines with improved saliency ratio can be realized using bi-state magnetic material (BSMM) in the rotor. However, a significantly higher number of localized heat treatments are required on the BSMM to maximize its effectiveness on being used in the conventional SynRel rotor structure. The cumbersome manufacturing process and its associated cost renders the conventional SynRel rotor topology as an impracticable solution for exploiting the benefits of BSMM. Therefore, it is essential to identify alternate SynRel rotor structures which can effectively utilize the advantages of BSMM with reduced manufacturing related complexity. Consequently, a 3 kW, 90 krpm high-speed sleeve rotor SynRel machine having a retaining sleeve of BSMM is analysed in this paper. The proposed rotor structure offers 26% more torque with a reduced manufacturing related complexity compared to conventional SynRel rotor with BSMM. Further, 3D simulations are performed to understand the impact of eddy current on the electromagnetic performance of sleeve rotor SynRel machine with BSMM sleeve.

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双态磁性材料转子套提高高速同步磁阻电机的显著性

采用双态磁性材料(BSMM)作为转子材料，可以实现同步磁阻电机显著性比的提高。然而，在BSMM上需要大量的局部热处理，以最大限度地提高其在传统SynRel转子结构中使用的有效性。繁琐的制造过程及其相关的成本使得传统的SynRel转子拓扑作为一种不切实际的解决方案来利用BSMM的优势。因此，确定能够有效利用BSMM优势并降低制造相关复杂性的替代SynRel转子结构是至关重要的。因此，本文分析了一种3kw, 90krpm的高速套筒转子SynRel机器，该机器具有BSMM的保留套筒。与传统的带有BSMM的SynRel转子相比，所提出的转子结构提供了26%的扭矩，同时降低了制造相关的复杂性。在此基础上，通过三维仿真研究了涡流对BSMM套筒转子SynRel电机电磁性能的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2022 IEEE 2nd International Conference on Sustainable Energy and Future Electric Transportation (SeFeT)

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