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Dual-stator Interior Permanent Magnet Vernier Machine Having Torque Density and Power Factor Improvement

机译：具有转矩密度和功率因数改善的双定子内部永磁游标机

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摘要

An improved topology for a low-speed permanent magnet vernier machine, called a dual-stator interior permanent magnet vernier machine, is introduced to significantly increase torque density and power factor. A dual-stator is adopted in the design for more torque and improving space utilization. An interior spoke-type magnet array in the rotor is designed for magnet flux focusing, which can effectively increase useful flux and force flux lines to pass through the entire machine during operation as opposed to two separate torque components as in a normal dual-stator permanent magnet machine. To clearly place the advantages of the proposed topology in perspective, the proposed dual-stator interior permanent magnet vernier machine is compared to a well-known dual-stator surface-mounted permanent magnet vernier machine. This article discusses the operation principle and magnetic field analysis of the proposed machine and reports comparison simulation results taken from the finite-element method. In addition, the stator tooth is optimized for further better performance on torque density and power factor.
机译：引入了一种用于双定子内部永磁游标机的低速永磁游标机的改进拓扑，以显着提高转矩密度和功率因数。设计中采用了双定子，以提供更大的扭矩并提高空间利用率。转子中的内部辐条型磁体阵列设计用于磁通量聚焦，与正常的双定子永磁体中的两个单独的转矩分量相反，在运行过程中可以有效地增加有用的通量和力通量线穿过整个机器磁铁机。为了清楚地看待所提出的拓扑的优点，将所提出的双定子内部永磁游标机与著名的双定子表面安装永磁游标机进行比较。本文讨论了所提出机器的工作原理和磁场分析，并报告了从有限元方法获得的比较仿真结果。此外，优化了定子齿，以进一步提高转矩密度和功率因数的性能。

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