A High-Voltage-Gain DC–DC Boost Converter with Zero-Ripple Input Current for Renewable Applications

Héctor Hidalgo, Rodolfo Orosco, Héctor Huerta, Nimrod Vázquez (), Claudia Hernández and Sergio Pinto
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Héctor Hidalgo: Mechatronics Department, Technological National of Mexico/Higher Technological Institute of Villa La Venta, Huimanguillo 86410, Mexico
Rodolfo Orosco: Electronics Department, Technological National of Mexico/Technological Institute of Celaya, Celaya 38010, Mexico
Héctor Huerta: Department of Computational Sciences and Engineering, Universidad de Guadalajara/Centro Universitario de los Valles, Ameca 46600, Mexico
Nimrod Vázquez: Electronics Department, Technological National of Mexico/Technological Institute of Celaya, Celaya 38010, Mexico
Claudia Hernández: Electronics Department, Technological National of Mexico/Technological Institute of Celaya, Celaya 38010, Mexico
Sergio Pinto: Faculty of Informatics, Electronics, and Communications, Central Campus, The “Universidad de Panama”, Panama 3366, Panama

Energies, 2023, vol. 16, issue 13, 1-23

Abstract: Renewable energy sources in DC microgrids require high-performance conversion systems to increase their capacity and reliability. Among other characteristics in conversion systems, the current ripple is a characteristic that must be considered since it affects the performance of PV panels and batteries. In this paper, a high-voltage-gain DC–DC boost converter for performing current ripple elimination that is based on a variable inductor is proposed. The topology is composed of a diode–capacitor voltage multiplier and a modified cascaded boost converter. To achieve voltage regulation, a reduced-order switched model is obtained considering the switched capacitor’s dynamics. To address the inductance variation and external disturbances, the H ∞ control theory is adapted to systematically design a robust proportional–integral (PI) controller. Details of the working principles and the sizing of passive components are presented. The simulation and experimental results demonstrate that the input current ripple of the proposed converter can be removed in both transitory and steady states.

Keywords: DC–DC converters; high voltage gain; zero-ripple input current; variable inductor; H ? synthesis (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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