Estudo sobre conversores CA-CC-Ca trifásicos conectados em paralelo com braço compartilhado.

Abstract

This Bachelor thesis consists of a study regarding three-phase power converters connected in parallel, which also share a leg between the rectifier and the inverter. The work is developed within an scientific framework starting with the mathematical modelling of the systems, thus obtaining and evaluating the equations to be used for both the PWM and control strategy. Two topologies are described here within and their models were validated using the softwares PSIM and MatLab. The comparation criteria chosen as most importat throughout this work was the harmonic distortion. Both topologies had this variable analised and then compared to the conventional topology. Simulation results and their practical implications are presented and discussed, as well as future worklines are presented and incentivated. Keywords: Power converters, Converter