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首页> 外文期刊>Magnetics, IEEE Transactions on >Validation of a Time-Harmonic Numerical Model for Solving Magnetic Field in End Region of a Radial-Flux Machine
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Validation of a Time-Harmonic Numerical Model for Solving Magnetic Field in End Region of a Radial-Flux Machine

机译:求解径向磁通机端部磁场的时谐波数值模型的验证

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摘要

We present an analysis of the magnetic field in the end region of a radial-flux rotating machine. In numerical simulations, we used three familiar boundary conditions to replace the modeling of the end shields and frame. We made measurements for comparison, and the simulation results were quite consistent with the measurements. Our analysis shows that the eddy current in the end shields and frame influences the magnetic field in the end region slightly and that the use of a homogeneous Neumann boundary condition or a standard impedance boundary condition (SIBC) to replace the end shields and frame can solve the magnetic field in the end region more accurately than a homogeneous Dirichlet boundary condition. Validation by the measurements demonstrates that 3-D current-driven time-harmonic model with suitable boundary conditions can be used to solve the magnetic field in the end region quite accurately.
机译:我们对径向磁通旋转电机的端部区域中的磁场进行了分析。在数值模拟中,我们使用了三个熟悉的边界条件来代替端罩和框架的建模。我们进行了测量以进行比较,仿真结果与测量结果非常一致。我们的分析表明,端部屏蔽罩和框架中的涡流对端部区域中的磁场有轻微的影响,并且使用均匀的Neumann边界条件或标准阻抗边界条件(SIBC)代替端部屏蔽罩和框架可以解决与齐次Dirichlet边界条件相比,末端区域的磁场更精确。通过测量验证表明,具有适当边界条件的3D电流驱动时谐模型可用于非常精确地求解端部区域中的磁场。

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