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Información tecnológica

On-line version ISSN 0718-0764

Abstract

APONTE, Guillermo; HERRERA, Wilder; GONZALEZ, Carlos  and  PLEITE, Jorge. Implementation of an Electric Transformer Model for its Frequency Response Analysis . Inf. tecnol. [online]. 2011, vol.22, n.4, pp.5-72. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642011000400008.

This article presents the implementation of a model for the analysis of the frequency behavior of a transformer. The model is obtained from the Frequency Response Test (FRA). This test consists basically of obtaining the characteristics of the transformer and comparing the results with those of a reference transformer, which are previously known and considered as normal- The differences indicate that the transformer has certain damage. The article describes the model, its implementation, the procedure to obtain its parameters and its application in the analysis of the curve variations obtained by the FRA tests. This model represents a good tool that can be used as support to identify some type of mechanical problem in the transformer.

Keywords : transformer; transformer parameters; frequency response; FRA.

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