Development and study of mathematical models of three-phase bridge rectifiers and inverters

Abstract

The purpose of the work is development and study of three-phase bridge rectifiers and inverters. It is achieved through the use of simulation methods in SimPowerSystems/Simulink of MATLAB. The article proposes the models of an uncontrolled and controlled three-phase bridge rectifier, an autonomous bridge inverter, an autonomous inverter with stabilized voltage, a network driven three-phase bridge inverter in SimPowerSystems/Simulink of MATLAB. The research conducted on the developed models has shown the correctness of the use of mathematical apparatus and semiconductor device control principles. The developed models can find application in the studies of power supply systems containing renewable energy sources (such as solar cells), which can be used together with electrical energy storage devices requiring inverters and rectifiers to be connected to the electrical network.