Back to Search
Start Over
Analytical Calculation of Static Leakage Inductances of HF Transformers Using PEEC Formulas.
Analytical Calculation of Static Leakage Inductances of HF Transformers Using PEEC Formulas.
- Source :
- IEEE Transactions on Industry Applications; Jul/Aug2007, Vol. 43 Issue 4, p884-892, 9p
- Publication Year :
- 2007
-
Abstract
- When the total current going through a transformer window is equal to zero, only a negligible part of the magnetic energy reaches its core. This is shown by finite-element-method simulations carried out on several two-winding transformers having different shapes. Moreover, induction and energy-density values obtained by 3-D simulations and by 2-D approximations are very close to each other. These two key observations justify the use of formulas that give the induction created by straight rectangular cross-sectional wires, as used in the partial-element-equivalent-circuit method, to compute the window field and, thus, to value the leakage inductances. To refine this approach, weak magnetic-core effects are accounted for by introducing the magnetic images of currents that flow in the windings. A comparison between the calculated values and measured ones is provided. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00939994
- Volume :
- 43
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- IEEE Transactions on Industry Applications
- Publication Type :
- Academic Journal
- Accession number :
- 26111057
- Full Text :
- https://doi.org/10.1109/TIA.2007.900449