Finite Element Analysis of Three-Phase Three-Limb Power Transformers Under DC Bias
A finite element method for the analysis of three-phase, three-limb power transformers under dc bias is presented. The phase voltages and the dc components of the phase currents are assumed to be given. Using parallel algorithms, the steady-state periodic solution is obtained without stepping throug...
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Veröffentlicht in: | IEEE transactions on magnetics 2014-02, Vol.50 (2), p.565-568 |
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creator | Biro, Oszkar Koczka, Gergely Leber, Gerald Preis, Kurt Wagner, Bernhard |
description | A finite element method for the analysis of three-phase, three-limb power transformers under dc bias is presented. The phase voltages and the dc components of the phase currents are assumed to be given. Using parallel algorithms, the steady-state periodic solution is obtained without stepping through the transients using a fixed-point method to solve the nonlinear equations. A novel technique to obtain the starting solution for the fixed-point iterations to ensure fast convergence is introduced. The solution to a large, real world problem is presented. |
doi_str_mv | 10.1109/TMAG.2013.2285239 |
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The phase voltages and the dc components of the phase currents are assumed to be given. Using parallel algorithms, the steady-state periodic solution is obtained without stepping through the transients using a fixed-point method to solve the nonlinear equations. A novel technique to obtain the starting solution for the fixed-point iterations to ensure fast convergence is introduced. 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subjects | Bars Circuit faults Cross-disciplinary physics: materials science rheology Eddy currents Exact sciences and technology Finite element analysis Magnetic domains Magnetic noise Magnetism Materials science nonlinear equations Other topics in materials science parallel algorithms Physics Power transformers stationary state Windings |
title | Finite Element Analysis of Three-Phase Three-Limb Power Transformers Under DC Bias |
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