Dimensionamento de condutores de usinas fotovoltaicas de grande porte.

Abstract

This paper presents the sizing of conductors for large-scale photovoltaic plants, addressing the selection and technical specification of electrical cables that interconnect modules, inverters, electrical centers and substations. With a focus on minimizing electrical losses and ensuring the safety and efficiency of the system, technical criteria such as current carrying capacity, electrical resistivity, cross sections and installation methods for low and medium voltage networks were analyzed. Specific technical standards and regulations, such as NBR 5410 and NBR 14039, guided the sizing and implementation of trenches, conduits and protection systems. The study confirms the importance of adequate sizing of conductors for the reliability and viability of large-scale photovoltaic plants.