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Coupled Electromagnetic-Structural Analysis of a Permanent-Magnet Synchronous Machine

机译:永磁同步电机的电磁结构耦合分析

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摘要

The aim of the present paper is to use and validate an analytical coupled electromagnetic-structural model in order to predict the electromagnetic and vibroacoustic behavior of a permanent magnet synchronous machine(PMSM). The model is based on permeance/winding function decomposition, taking into account the stator slotting and saturation effects. The analytical approach results, in terms of magnetic field density and radial magnetic pressure, are validated by a coupled numerical electromagnetic-structural analysis using FEA. A modal analysis for computing the natural frequencies and mode shapes of the stator core, using both analytical and numerical solutions, is also carried out.
机译:本文的目的是使用和验证耦合分析的电磁结构模型,以预测永磁同步电机(PMSM)的电磁和振动声行为。该模型基于磁导/绕组函数分解,并考虑了定子开槽和饱和效应。通过使用有限元分析的耦合数值电磁结构分析验证了分析方法在磁场密度和径向磁压方面的结果。还进行了模态分析,使用解析解和数值解来计算定子铁心的固有频率和模态形状。

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