High-Frequency Modeling of Power Transformers for Use in Frequency Response Analysis (FRA)

@article{Abeywickrama2008HighFrequencyMO,
  title={High-Frequency Modeling of Power Transformers for Use in Frequency Response Analysis (FRA)},
  author={N. Abeywickrama and Y. V. Serdyuk and S. M. Gubanski},
  journal={IEEE Transactions on Power Delivery},
  year={2008},
  volume={23},
  pages={2042-2049}
}
This paper presents an advanced model of the frequency response of a three-phase power transformer for use in conjunction with diagnostic measurements by the method of frequency response analysis (FRA). The model includes high- frequency behavior of the laminated core and the insulation through taking into account the frequency dependencies of the complex permittivity of insulation materials (paper, pressboard, and oil) and of the anisotropic complex permeability of magnetic core and conductors… CONTINUE READING
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