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Analysis of the DC Bias Phenomenon by the Harmonic Balance Finite-Element Method

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Title Analysis of the DC Bias Phenomenon by the Harmonic Balance Finite-Element Method
Author Zhao, Xiaojun; Lu, Junwei; Li, Lin; Cheng, Zhiguang; Lu, Tiebing
Journal Name IEEE Transactions on Power Delivery
Year Published 2011
Place of publication United States
Publisher IEEE
Abstract Abstract—An Epstein frame-like core model is set up to study the dc-biased problem of the power transformer. The harmonic phenomenon of the model under the dc bias condition is investigated by using the harmonic-balance finite-element method (HBFEM). The harmonic-balance finite element equation is coupled with the external electric circuit. Each harmonic component of the magnetizing current and magnetic field can be calculated directly in the harmonic frequency domains. Comparing the calculated results with the experimental data shows consistency. The dc bias effects on the magnetizing current and the magnetic induction are analyzed through the harmonic solutions.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1109/TPWRD.2010.2056709
Volume 26
Issue Number 1
Page from 475
Page to 485
ISSN 0885-8977
Date Accessioned 2012-01-04; 2012-04-01T22:58:37Z
Date Available 2012-04-01T22:58:37Z
Research Centre Centre for Wireless Monitoring and Applications
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Power and Energy Systems Engineering (excl Renewable Power)
URI http://hdl.handle.net/10072/44140
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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