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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Coupled Electromagnetic Field Computation with External Circuit for the Evaluation the Performance of Electric Motor Designs
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Coupled Electromagnetic Field Computation with External Circuit for the Evaluation the Performance of Electric Motor Designs

机译：与外部电路耦合的电磁场计算，用于评估电动机设计的性能

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In this paper, a set of PM machine's designs, having the similar level of nominal input and outputs i.e. voltage, torque, and speed were compared to evaluate the effectiveness of a computational design procedure. The designs include the machines with distributed winding arrangements, different number of slots, different pole widths, and different slot opening shapes. The physical characteristics of machines such as the cogging torque, back emf, flux linkages, and inductances were calculated from a 2D nonlinear transient finite element analysis with motion. The torque and speed profiles of all of the machines were calculated from the phase variable modeling approach. The phase variable model is a database representation of the machine's numerical model and it allows computationally efficient dynamic simulation of the coupled problem with realistic physics-based design. The phase variable models of the machines were linked to the driving circuit to determine the mutual effect of machine design parameter and the drive topology on the performance measures of machines.
机译：在本文中，比较了一组具有相同额定输入和输出水平（即电压，转矩和速度）的PM机器设计，以评估计算设计程序的有效性。设计包括具有分布式绕组布置，不同数量的槽，不同的磁极宽度和不同的槽开口形状的电机。机器的物理特性，例如齿槽转矩，反电动势，磁链和电感，是根据带有运动的二维非线性瞬态有限元分析计算得出的。所有机器的扭矩和速度曲线都是通过相位变量建模方法计算得出的。相位变量模型是机器数值模型的数据库表示形式，它允许通过逼真的基于物理的设计对耦合问题进行高效计算的动态仿真。将机器的相位变量模型链接到驱动电路，以确定机器设计参数和驱动拓扑对机器性能指标的相互影响。

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