Aplicación del método ESDD/NSDD para evaluar contaminación en aislamientos de redes eléctricas

Application of the ESDD/NSDD method to, evaluate contamination in electrical grid insulation

Abstract

This study determined the level of pollution on electrical insulators in northern Manabí and its impact on the electrical system, with the aim of reducing operational failures and defining the required insulation level. It was carried out under IEC 60815-1:2008 standards and established the relationship between the Equivalent Salt Deposit Density (ESDD) and the Non-Soluble Deposit Density (NSDD). Furthermore, the sample concentrations were determined through chemical analysis. The results show that proximity to the sea and local environmental conditions favor the accumulation of pollutants, primarily composed of salts and metals (copper, zinc, and lead). The ESDD/NSDD ratio indicates a medium to high level of pollution, enabling the creation of a regional pollution map for future work. The study concludes that proper insulation sizing and maintenance are essential to ensure a continuous electricity supply in the area.