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Peak-switching currents of power transformers

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Abstract

The switching conditions of nonloaded transformers have been investigated to understand the effect of current inrushes and limitations by considering the connecting circuit of the windings, magnetization performances, contact parameters, type of switcher drive, and the value and sign of residual magnetization. The peak-switching currents have been calculated, simulated, and measured and the results have been compared. The obtained results make it possible to increase the power efficiency of the facility by decreasing the losses and maintainign the quality factor of electric power in transient modes.

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Authors
  1. N. S. Lazarev
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  2. R. N. Shul’ga
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  3. A. R. Shul’ga
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Additional information

Original Russian Text © N.S. Lazarev, R.N. Shul’ga, A.R. Shul’ga, 2010, published in Elektrotekhnika, 2010, No. 11, pp. 11–17.

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Lazarev, N.S., Shul’ga, R.N. & Shul’ga, A.R. Peak-switching currents of power transformers. Russ. Electr. Engin. 81, 581–586 (2010). https://doi.org/10.3103/S1068371210110027

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  • DOI: https://doi.org/10.3103/S1068371210110027

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