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Effects of Geomagnetically Induced Currents on the Harmonics in Power Transformers

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Experimental data are presented on the effect geomagnetically induced currents have on a power transformer. An analytical solution is obtained for current harmonics via nonlinear inductance under dc bias. It is shown that the nonmonotonic dependence of the harmonic amplitude on the dc value is determined by the nonlinearity of the weber–ampere characteristic of inductor.

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Author information

Authors and Affiliations

  1. Northern Energetics Research Center, Federal Research Center “Kola Science Center,” Russian Academy of Sciences, 184209, Apatity, Russia

    V. N. Selivanov

  2. Polar Geophysical Institute, 184209, Apatity, Russia

    Ya. A. Sakharov

Authors
  1. V. N. Selivanov
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  2. Ya. A. Sakharov
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Corresponding author

Correspondence to V. N. Selivanov.

Additional information

Translated by G. Dedkov

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Selivanov, V.N., Sakharov, Y.A. Effects of Geomagnetically Induced Currents on the Harmonics in Power Transformers. Bull. Russ. Acad. Sci. Phys. 85, 303–308 (2021). https://doi.org/10.3103/S1062873821030229

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  • DOI: https://doi.org/10.3103/S1062873821030229

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