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首页> 外文期刊>IEEE Transactions on Industry Applications >Two-Dimensional and Three-Dimensional Core and Magnet Loss Modeling in a Radial Flux and a Transverse Flux PM Traction Motor
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Two-Dimensional and Three-Dimensional Core and Magnet Loss Modeling in a Radial Flux and a Transverse Flux PM Traction Motor

机译：径向磁通和横向磁通PM牵引电机中的二维和三维磁心和磁损耗模型

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摘要

Analytical estimations and verified simulation models both in two dimension (2-D) and three dimension (3-D) are used to compare loss calculations of a radial flux machine (RFM) and a transverse flux machine (TFM) for a traction application. The analysis highlights the importance of a dense mesh and a high number of time steps when calculating core and magnet loss with an finite element method (FEM) program. It also shows the practical handling of loss modeling in 2-D and 3-D, including a stacking factor for the core lamination and magnet segmentation, and it is recommended that one is careful when comparing losses from 2-D and 3-D models. The TFM is shown to have much higher magnet loss compared with the RFM, although the TFM magnet design (with ring magnets) makes segmentation very effective.
机译：二维（2-D）和三维（3-D）的分析估计和经过验证的仿真模型用于比较牵引应用的径向磁通机（RFM）和横向磁通机（TFM）的损耗计算。该分析突出显示了使用有限元方法（FEM）程序计算铁心和磁体损耗时，密实网格的重要性以及大量时间步长。它还显示了在2-D和3-D中进行损耗建模的实际处理方法，包括铁心叠片和磁体分段的叠加因子，建议在比较2-D和3-D模型中的损耗时要格外小心。尽管TFM磁体设计（带有环形磁体）使分段非常有效，但TFM与RFM相比具有更高的磁体损耗。

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