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首页> 外文期刊>IEEE Transactions on Magnetics >Analysis of Eddy Current Loss in Permanent Magnet Linear Synchronous Generator Considering Tapped Holes in Movers Using Semi-3-D Analytical Method
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Analysis of Eddy Current Loss in Permanent Magnet Linear Synchronous Generator Considering Tapped Holes in Movers Using Semi-3-D Analytical Method

机译：基于3-D解析方法的带动孔的永磁直线同步发电机涡流损耗分析

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摘要

This paper describes the analysis of the eddy current loss of a double-sided cored slotless-type permanent magnet linear synchronous generator considering tapped holes in mover magnets using the space harmonic method. To calculate the eddy current, an analytical solution was derived by applying the Maxwell's equation, magnetic vector potential, and Faraday's law in a 2-D Cartesian coordinate system. Based on the armature reaction field distribution produced by the armature winding current, we obtained an analytical solution for the eddy current density distribution. Then, an analytical solution for eddy current loss induced in a permanent magnet (PM) was derived using the equivalent electrical resistance calculated from the PM's volume and eddy current density distribution solution. Finally, the resulting current was determined based on the analysis of eddy current loss. The analytical results produced by using this application of the space harmonic method were validated extensively through comparisons with finite-element method results.
机译：本文介绍了一种利用空间谐波法分析带动孔中带有抽头孔的双面有芯无槽式永磁直线同步发电机的涡流损耗的方法。为了计算涡流，通过在二维笛卡尔坐标系中应用麦克斯韦方程，磁矢量势和法拉第定律来导出解析解。根据电枢绕组电流产生的电枢反应场分布，我们得到了涡流密度分布的解析解。然后，使用由PM的体积和涡流密度分布解决方案计算出的等效电阻，得出永磁体（PM）中感应的涡流损耗的分析解决方案。最后，基于对涡流损耗的分析来确定产生的电流。通过与有限元方法的结果进行比较，广泛验证了使用空间谐波方法的这种应用产生的分析结果。

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