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Computational Modelling of the Unbalanced Magnetic Pull by Finite Element Method

机译：有限元法的不平衡磁拉的计算建模

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摘要

This paper presents a process of calculating of the unbalanced magnetic pull in the rotating electrical machines based on the electromagnetic coupled field analysis. The computational model is created in the commercial finite element software ANSYS and consists of computational model of the electrical circuit of the machine, which is directly coupled with the two-dimensional computational model of the magnetic circuit of the machine. The unbalanced magnetic pull, acting on the rotor, is calculated from results of nonlinear harmonic analysis by Maxwell stress tensor method and by Principle of virtual work. The obtained results show that both methods give identical value of unbalanced magnetic pull.
机译：本文介绍了基于电磁耦合场分析计算旋转电机中不平衡磁力拉的过程。计算模型是在商业有限元软件ANSYS中创建的，并且由机器的电路的计算模型组成，其与机器的磁路的二维计算模型直接耦合。通过Maxwell Regress Tensor方法的非线性谐波分析的结果和虚拟工作原理，计算作用在转子上的不平衡磁性拉。所得结果表明，两种方法都具有不平衡磁力拉的相同值。

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