Modelado del transformador monofásico para el análisis de la distribución y la transferencia de sobretensiones transitorias (Single-phase transformer modeling for analyzing transient overvoltages distribution and transference)

Juan Carlos Escamilla Sánchez (escamilla_14@hotmail.com), Pablo Gómez Zamorano (pablo.gomez.78@gmail.com), Carlos Tejada Martínez (ctejadam303@ipn.mx)


Instituto Politécnico Nacional
This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2009
Volume: 7,   Issue: 5 
ISSN: 1548-0992


Abstract:
In this article, a frequency domain method for the analysis of transient overvoltages transferred to the secondary winding of a single-phase transformer, as well as the distribution of transient voltages along the transformer windings, is presented. The transformer is modeled as a distributed parameters element from the Telegrapher equations of a multiconductor transmission line in the frequency domain. In order to obtain the time domain, the Numerical Laplace Transform (NLT) is applied. Results from the presented model are compared to those from a model developed in the professional simulation program ATP/EMTP.

Index Terms:
Electromagnetic transients, Numerical Laplace Transform, Transformer modeling   


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