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Dual Airgap Stator- and Rotor-Permanent Magnet Machines With Spoke-Type Configurations Using Phase-Group Concentrated Coil Windings

机译:采用相组集中线圈绕组的辐条型双气隙定子和转子永磁电机

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摘要

This paper presents an advanced design procedure for stator-based and rotor-based permanent magnet (PM) machines to improve the electromagnetic performance by incorporating the spoke-type magnet configurations, phase-group concentrated coil windings, and an unaligned arrangement of two rotors/stators. The dual-rotor switched flux PM machine (SFPMM), designated as the stator-PM machine, and the dual-stator spoke-type interior PM machine (S-IPMM), termed the rotor-PM machine, are designed by the proposed design procedure to obtain high torque density and low pulsating torques for direct-drive applications. A quantitative comparison is performed between the proposed SFPMM and S-IPMM, and a conventional SFPMM with concentrated windings is adopted as the referenced model to evaluate the contribution of the proposed design procedure. The machine performance including back electromotive force, cogging torque, and electromagnetic torque is first analyzed by a finite element method under the same operating conditions. Finally, a prototype of the dual-stator S-IPMM is manufactured, and some key simulation results are verified by the experimental tests.
机译:本文介绍了一种先进的设计程序,适用于基于定子和基于转子的永磁(PM)电机,通过结合辐条型磁体配置,相组集中线圈绕组以及两个转子/定子。通过建议的设计来设计称为定子-PM电机的双转子开关磁通永磁电机(SFPMM)和称为转子-PM电机的双定子轮辐式内部永磁电机(S-IPMM)。直驱应用获得高扭矩密度和低脉动扭矩的程序。在建议的SFPMM和S-IPMM之间进行了定量比较,并采用传统的带有集中绕组的SFPMM作为参考模型来评估建议的设计过程的贡献。首先通过有限元方法在相同的工作条件下分析机器性能,包括反电动势,齿槽转矩和电磁转矩。最后,制造了双定子S-IPMM的原型,并通过实验测试验证了一些关键的仿真结果。

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