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Ingeniería Energética
versión On-line ISSN 1815-5901
Resumen
ASTORGA GOMEZ, Juan Miguel; IRIARTE SALINAS, Yuri Antonio y PERALTA MURUA, Lisandro Daniel. Analysis of grounding resistance in urban electrical distribution networks using probability distributions. Energética [online]. 2015, vol.36, n.2, pp. 146-154. ISSN 1815-5901.
In this article, the grounding resistance in urban electrical distribution networks of the Copiapó city is studied. The estimation of mean value is calculated using continuous probability distributions. The aim of this study is to performance assessment of grounding grid design currently used in these networks. Forty-three grounding grids are used as sample. The main indices of descriptive statistics of field measurements are shown. Three continuous probability distribution models are fitted to the sample. For selecting the best model, the Akaike information criterion (AIC) and the Bayesian information criterion (BIC) are used. Finally, using the best model, some probabilities for the grounding resistance are calculated and the main conclusions are presented.
Palabras clave : continuous probability distribution; grounding grid; electrical distribution networks; grounding resistance.