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Transferred overvoltage on nonloaded transformer windings: Evaluation of voltage and protective measures

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Abstract

This paper reviews the main mechanisms of voltage transfer between transformer windings and theoretical determination of transferred overvoltage magnitudes. The approaches for experimental determination of transferred overvoltage magnitudes are stated, and practical examples of application of these approaches are presented. Recommendations of actual normative documents on protection from transferred overvoltages caused by fast transient overvoltages are described. Measures of protection from resonance transferred overvoltages caused by the effect of oscillatory voltages are proposed.

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Authors and Affiliations

  1. Federal State Unitary Enterprise All-Russian Electrotechnical Institute, Moscow, 111250, Russia

    V. S. Larin

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  1. V. S. Larin
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Correspondence to V. S. Larin.

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Original Russian Text © V.S. Larin, 2015, published in Elektrotekhnika, 2015, No. 7, pp. 51–58.

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Larin, V.S. Transferred overvoltage on nonloaded transformer windings: Evaluation of voltage and protective measures. Russ. Electr. Engin. 86, 412–417 (2015). https://doi.org/10.3103/S106837121507007X

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  • DOI: https://doi.org/10.3103/S106837121507007X

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