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Abstract
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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
Submitted: January 16, 2012
Accepted: February 06, 2012
Published: June 15, 2012 |
Abstract:
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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.
Key words: Finite element analysis leakage flux, leakage inductance, shell-type and core-type transformers, , , ,
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Cite this Reference:
Mehdi Zare, Seyyed Mohammad Pedram Razi, Hassan Feshki Farahani and Alireza Khodakarami, . Finite Element Analysis of Leakage Inductance of 3-Phase Shell-Type and Core Type Transformers. Research Journal of Applied Sciences, Engineering and Technology, (12): 1721-1728.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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