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Hybrid Numerical-Analytical Technique for Power Transformer Thermal Modeling

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4 Author(s)
Tsili, M.A. ; Fac. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Athens ; Amoiralis, E.I. ; Kladas, A.G. ; Souflaris, A.T.

Transformer thermal performance is a critical issue during the design stage, since it indicates its ability to operate reliably through its lifetime and under possible overloading conditions. This paper introduces a hybrid thermal modeling technique that links numerical methods to analytical calculations, providing a tool for accurate prediction of temperature distribution characteristics in the expense of relatively reduced computation time, enhancing transformer design calculations often based on empirical methods.

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Magnetics, IEEE Transactions on  (Volume:45 ,  Issue: 3 )