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Overvoltage Propagation from Transmission Line into Transformer Winding

Vaclav Kotlan, Zdenka Benesova

DOI: 10.15598/aeee.v13i5.1421


Abstract

The paper deals with very fast transient phenomena in a system consisting of two parts: a cable line and a transformer winding. In this case an adequate model should be considered as a circuit with distributed parameters. Its description is given by a system of partial differential equations of hyperbolic type. Our approach is based on a numerical solution in the time domain and the method FDTD has been used. It allows obtaining results in a form of time-space voltage and current wave distribution along the cable line and the transformer winding. This distribution is depending on many factors some of them were studied in this paper.

Keywords


Overvoltage on transmission line; transients in transformer winding.

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