Otimização de linhas MT em zonas florestais: estudo técnico-económico comparativo entre a utilização de postes em betão e torres treliçadas

Abstract

Overhead power lines are an essential component of distribution networks and, therefore, of the Portuguese Electric Power System, since they enable the growing need of electricity consumption to be met. However, the power lines are a high-cost element of the network, so there is a significant interest in reducing investment in these components of the electric system. One solution to reduce the cost of an overhead power line is the optimisation of its design. Since the supports are the elements responsible for most of the investment of an overhead line, this work presents a methodology that allows optimising overhead line projects, comparing the use of concrete supports with metal supports. Based on the concept of machine learning, it was performed a manual learning process, which consisted of carrying out several projects, with the purpose of verifying patterns that occur in different situations and that allow reducing the cost of the project, minimising the number of supports used. This study focuses on medium voltage lines in forest areas. This dissertation was conducted as part of a curricular internship at EDP Distribuição and the software used were e Microsoft Office Excel and CLinhas software from EDP.