Analysis of DC/DC Boost Converter–Full-Bridge Buck Inverter System for AC Generation

Víctor Hugo García-Rodríguez (), José Humberto Pérez-Cruz, Roberto Carlos Ambrosio-Lázaro () and Salvador Tavera-Mosqueda
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Víctor Hugo García-Rodríguez: Departamento de Ingeniería en Diseño, Universidad del Istmo, Santo Domingo Tehuantepec, Oaxaca 70760, Mexico
José Humberto Pérez-Cruz: Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Mecánica y Eléctrica Unidad Azcapotzalco, Instituto Politécnico Nacional, Ciudad de México 02250, Mexico
Roberto Carlos Ambrosio-Lázaro: Facultad de Electrónica, Benemérita Universidad Autónoma de Puebla, Puebla, Puebla 72570, Mexico
Salvador Tavera-Mosqueda: División de Mecatrónica, CONALEP Plantel Tlanepantla I, Estado de México 54170, Mexico

Energies, 2023, vol. 16, issue 6, 1-16

Abstract: This paper presents an analysis and simulation of the mathematical model associated to the DC/DC Boost converter–full-bridge Buck inverter system to regulate the voltage output of the DC/DC Boost converter allowing bipolar voltages higher than the input voltage via the full-bridge Buck inverter. To validate the model, the differential flatness property is applied via the flat outputs of the system (energy for the DC/DC Boost converter and the voltage of the full-bridge Buck inverter) considering the complete dynamics, in conjunction with fixed and time-variant trajectory planning. In the simulation results, it is observed that the error signals of the states versus the reference trajectories are acceptable. Regarding the validation of the model, this is performed with open-loop simulations at the circuit level using the SimPowerSystems Toolbox of Matlab-Simulink. The simulation results validate the good performance of the system under study. In this way, the main contribution of this work is that for the first time in the literature, the analysis of a complete dynamics for a conversion system from DC to AC without the use of a transformer and taking advantage of differential flatness is reported; thus, the system analyzed could be represented as an alternative in applications of renewable energies that require conversion from DC to AC.

Keywords: DC/DC boost converter; differential flatness; energy; full-bridge Buck inverter; simulations (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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