Simulation of wave propagation effects in machine windings

被引：17

作者：

De Gersem, Herbert ^{[1
]}

Henze, Olaf ^{[2
]}

Weiland, Thomas ^{[2
]}

Binder, Andreas ^{[3
]}

机构：

[1] Katholieke Univ Leuven, Wave Propagat & Signal Proc Res Grp, Kortrijk, Belgium

[2] Tech Univ Darmstadt, Inst Theorie Elektromagnet Felder, Darmstadt, Germany

[3] Tech Univ Darmstadt, Inst Elekt Energiewandlung, Darmstadt, Germany

来源：

COMPEL-THE INTERNATIONAL JOURNAL FOR COMPUTATION AND MATHEMATICS IN ELECTRICAL AND ELECTRONIC ENGINEERING | 2010年 / 29卷 / 01期

关键词：

Finite element analysis; Electric machines; Wave propagation; Modelling; Windings;

D O I：

10.1108/03321641011007948

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Purpose - The purpose of this paper is to offer a simulation method for predicting the impedance of machine windings at higher frequencies. Design/methodology/approach - A transmission-line model (TLM) is developed based oil parameters calculated on the basis of electroquasistatic and magnetoquasistatic finite-element (FE) model of the winding cross-section. Findings - The FE formulations for the low- and high-frequency limits give acceptable results for the respective frequency ranges. An eddy-current formulation is only accurate on a broader region when the FE mesh is sufficiently fine to resolve the skin depth. Research limitations/implications - The paper is restricted to frequency-domain simulations. Practical implications - The results of the paper improve the understanding of higher-frequency parasitic effects in electrical drives with long windings. Originality/value - The paper shows the limitations of the FE methods used for determining the parameters of the TLMs and remedies to avoid these.

引用

页码：23 / 38

页数：16

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