Abstract
Finite Element Analysis (FEA) using Finite Element Method (FEM) was
developed over 70 years to solve the complex elasticity and structural analysis problem in
civil and aeronautical engineering. Application of FEA is being expanded to simulation in
electrical engineering also to solve the complex design problems. The circuit theory models
for designing transformers are not much accurate in determining the transformer
parameters such as winding impedance, leakage inductance, hot spot temperature etc. The
physical realization of these parameters is needed on a prototype unit. The finite element
method can play a vital role in deriving these parameters without any physical verification.
An effort has been made in this paper to show the effectiveness of finite element method in
determining the above said parameters while designing the transformers - both oil cooled as
well as dry type - for power and distribution sectors as well as to analyze and detect the
internal faults in the transformer.
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