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    Abstract
2012 (Vol. 4, Issue: 12)
Article Information:

Finite Element Analysis of Leakage Inductance of 3-Phase Shell-Type and Core Type Transformers

Mehdi Zare, Seyyed Mohammad Pedram Razi, Hassan Feshki Farahani and Alireza Khodakarami
Corresponding Author:  Mehdi Zare 

Key words:  Finite element analysis leakage flux, leakage inductance, shell-type and core-type transformers, , , ,
Vol. 4 , (12): 1721-1728
Submitted Accepted Published
January 16, 2012 February 06, 2012 June 15, 2012
Abstract:

Leakage inductance in the transformers specially power transformer is important and has considerable effects on transformer operation which should be limited in acceptable range. The leakage inductance is created due to flux leakage that is inevitable. By considering the transformer type, the leakage inductance can be different. In this study, the leakage inductance for two type transformer Shell Type Transformers (STT) and Core Type Transformer (CTT) are studied. In STT, much magnetic fields created by windings are entered to core that leads to significant reduction of magnetic fluxes. However in CTT, core is located in only one part of windings and as a result leakage flux is more in these areas. In this type of transformer, leakage flux and inductance are different because magnetic fields in two close legs differ from each other. In this paper, to obtain leakage inductance, two samples of these transformers of STT and CTT are modeled by ANSYS and then they are simulated by FEM. Leakage inductance value for each transformer is obtained and compared.
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  Cite this Reference:
Mehdi Zare, Seyyed Mohammad Pedram Razi, Hassan Feshki Farahani and Alireza Khodakarami, 2012. Finite Element Analysis of Leakage Inductance of 3-Phase Shell-Type and Core Type Transformers.  Research Journal of Applied Sciences, Engineering and Technology, 4(12): 1721-1728.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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