التفاصيل البيبلوغرافية
| العنوان: |
Analysis of the DC Bias Phenomenon by the Harmonic Balance Finite-Element Method. |
| المؤلفون: |
Zhao, Xiaojun1, Lu, Junwei2, Li, Lin1, Cheng, Zhiguang3, Lu, Tiebing4 |
| المصدر: |
IEEE Transactions on Power Delivery. 01/01/2011, Vol. 26 Issue 1, p475-485. 11p. |
| مصطلحات موضوعية: |
*FINITE element method, DIRECT currents, HARMONIC analysis (Mathematics), MAGNETIC cores, ELECTRIC windings, ELECTRIC transformers, MAGNETIC fields |
| مستخلص: |
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. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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