Desenvolvimento de um protótipo para monitoramento das vibrações estruturais de torres de linha de transmissão

Abstract

According to the National Electric Energy Agency (ANEEL), it is the duty of energy distributors to ensure that all transmitted energy reaches the consumer with quality. With this, distributors have the function of carrying out maintenance on existing lines, building new lines and managing the distribution of all energy in the region where they are responsible. This work aims to demonstrate the process of choosing and developing a device that can monitor the vibrations of the structure of the transmission line towers, with the aim of, in the future, assisting their maintenance processes, acquiring a predictive character. The prototype developed used photovoltaic energy for self-sufficient power and two vibration sensors, installed directly on the tower, for better efficiency analysis, which were the Piezoelectric and the SW18010P Vibration Transmitter. The initial prototype was installed directly on a transmission tower used for training tests provided by the local distribution company and operated directly for 9 days, resisting night periods and rain. For better accuracy, a 16-bit converter was used to increase its reading accuracy. The Piezoelectric showed the best results, being easy to interpret the signals manifested from the vibrations felt by it and read by the microcontroller. Finally, a brief analysis of the commercial feasibility of the system developed considering the costs of the parts used was presented. This work can contribute to possible developments that may arise associated with the theme.