Estimation of zero sequence impedance in power transformers using 2D and 3D FEM

Authors

  • Dario Šegović
  • Franjo Kelemen

DOI:

https://doi.org/10.37798/2014631-4175

Keywords:

zero sequence impedance, zero sequence reactance, power transformer, finite element method, FEM

Abstract

This paper describes calculation of zero sequence impedance in three phase, three leg core type power transformers using 2D and 3D finite element method (FEM) calculation on example of 100 MVA power transformer. Paper also describes how winding connection and arrangement affects the size and calculation of zero sequence impedance.

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Published

2022-07-04