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Ingeniería Energética
versión On-line ISSN 1815-5901
Resumen
HERNANDEZ AREU, Orestes; PEREZ PEREZ, Ovianyelis y VALLE GARCIA, Julio Fernando. Simulation of the phenomenon of ferrorresonance in transformers. Energética [online]. 2020, vol.41, n.3 Epub 01-Dic-2020. ISSN 1815-5901.
The ferrorresonance is a phenomenon that submits the transformer to a stress that is able to destroy it totally. This phenomenon appears in Cuba frequently because there has been an increment of distribution circuits fed from lines of sub-transmission to 34,5 kV, from where is reduced directly to 240 V, by means of transformers. In the phenomenon of ferrorresonance interfere the magnetizing inductances values of the transformers at nominal voltage and in conditions of saturation and the capacitances of zero sequence associates to the primary circuit of these. The mathematical formulation of this phenomenon is difficult to realize for what the digital simulation can be an alternative. A tool to simulate the phenomenon of the ferrorresonance is presented. Examples of application with the obtained results are showed.
Palabras clave : ferrorresonance; simulation; transformers.