Análisis comparativo de pérdidas técnicas entre la subestación eléctrica de Sambocity CNEL EP y una subestación eléctrica diseñada con el sistema encapsulado (SF6)

Abstract

This project presents a comparative analysis between air-insulated (AIS) and encapsulated (GIS) distribution substations (69/13.8kV), taking as a study reference the Sambocity substation (12/16 MVA) as an AIS type model, while the Kennedy Norte substation (40 MVA) is taken as a gis type model. A review of the parts and elements that make up AIS type substations and GIS type substations is presented. By means of single-line diagrams, block diagrams and graphic illustrations, the switchgear used by these substations for their operation is shown. Among the main factors related to the operation of the two types of substations are: environmental factor, land area, economic factor, reliability, maintenance, safety, life cycle analysis, interconnection, impact on the electrical network, among others. By means of a theoretical analysis and its corresponding simulations in Etap software, an estimation of the electrical losses in copper for the 69 kV level and for the 13.8 kV levels is presented, obtaining the following results: for the AIS type substation the losses in copper (69kV) are 1197.87 W, while for the GIS type substation they are 599.44 W. For the 13.8kV level, the copper losses for the AIS type are 8192.93 W, while for the GIS type substation, the copper losses are 4098.96 W. Finally, some recommendations for future work are attached, considering the complexity and importance of this type of study.