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Coupled Finite-Element/Boundary-Element Analysis of a Reciprocating Self-Excited Induction Generator in a Harmonic Domain

机译:谐波域内往复自激感应发电机的耦合有限元/边界元分析

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摘要

This paper suggests a general method for analysis of a reciprocating self-excited induction generator based on the coupled finite-element/boundary- element method in a harmonic domain. The finite-element method is used for iron and copper parts in order to deal with nonlinearity and eddy currents, while the boundary-element method is utilized for the air-gap region between the moving parts using a free-space Green function that facilitates the application of a linear time periodic movement. The proposed method leads to a static global matrix that is symmetrical for particular boundary conditions. The results agree well with those obtained by the time-stepping methods.
机译:本文提出了一种基于谐波域有限元/边界元耦合方法的往复式自激感应发电机分析的通用方法。为了处理非线性和涡流,有限元法用于铁和铜零件,而运动零件之间的气隙区域则采用边界元法,使用自由空间格林函数来促进线性时间周期性运动的应用。所提出的方法导致对于特定边界条件对称的静态全局矩阵。结果与通过时间步进方法获得的结果吻合良好。

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