Frequency-Dependent Resistances and Inductances in Time-Domain Transient Simulations of Power Transformers

被引：3

作者：

Bucher, Matthias K. ^{[1
]}

Franz, Thomas ^{[1
]}

Jaritz, Michael ^{[1
]}

Smajic, Jasmin ^{[1
,2
]}

Tepper, Jens ^{[3
]}

机构：

[1] Univ Appl Sci Eastern Switzerland HSR, IET, CH-8640 Rapperswil, Switzerland

[2] Swiss Fed Inst Technol, IEF, CH-8092 Zurich, Switzerland

[3] ABB AG, D-59929 Brilon, Germany

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2019年 / 55卷 / 09期

关键词：

Finite element method (FEM); frequency-dependent parameters; high frequency (HF); time-domain simulations; transformers; PARAMETERS;

D O I：

10.1109/TMAG.2019.2917768

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents the methodology and validation of high-frequency (HF) transformer simulations, which take into account the frequency dependence of the winding resistances and inductances. The parameters' frequency dependence is approximated by curve fitting of the values computed by the finite element method (FEM) simulations in the frequency domain. After inverse Fourier transformation into the time domain, the convolution integrals are solved efficiently by the trapezoidal integration rule. The simulation results are validated using measurement data.

引用

页数：5

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