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首页> 外文会议>International Conference on the Computation of Electromagnetic Fields >Electromagnetic-Thermal-Fluidic Analysis of Permanent Magnet Synchronous Machine by Bi-directional Method
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Electromagnetic-Thermal-Fluidic Analysis of Permanent Magnet Synchronous Machine by Bi-directional Method

机译：双向法的永磁同步机电磁 - 热流体分析

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摘要

This paper presents an electromagnetic-thermal-fluidic coupling model for the accurate evaluation of electromagnetic and thermal performance of a permanent magnet synchronous machine (PMSM). 2-D transient finite-element method (FEM) is used to investigate electromagnetic loss including copper loss, iron loss and magnet eddy loss. The calculated electromagnetic power loss is taken as the main source of the thermal-fluidic field and the materials property is in turn updated according to the temperature distribution. The simulation result of a rated 8 kW permanent magnetic machine is compared with the measuring result, which shows that the coupling analysis by the bi-directional method is more accurate than that by the unidirectional method. The calculation method will be helpful for the elaborate design of electrical machines.
机译：本文提出了一种电磁 - 热流体耦合模型，用于准确评估永磁同步机（PMSM）的电磁和热性能。 2-D瞬态有限元方法（FEM）用于研究电磁损失，包括铜损，铁损和磁体涡流。计算出的电磁功率损耗作为热流体场的主要来源，并且材料性能反转根据温度分布更新。将额定值8kW永磁机的仿真结果与测量结果进行比较，这表明通过单向方法的双向方法的耦合分析比单向方法更准确。计算方法有助于精心设计的电机设计。

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