Design of a Cascaded Single-Phase Multilevel Inverter for Photovoltaic Applications

Darío Fernando Yépez Ponce, Héctor Mauricio Yépez Ponce, William Manuel Montalvo López

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Nowadays, obtaining alternative forms of electrical power is a topic of worldwide interest, since fact that dependence on non-renewable resources such as hydrocarbons, coal, and uranium is becoming more and more costly due to their depletion. An alternative solution to this problem is the generation of electric energy by means of the use of solar energy captured by solar panels and the use of multilevel converters for the conversion to AC, which is how it is normally used in the home and industry. In this paper, we start with the review of the state of the art of the cascade multilevel inverters (CHMLI) and the modulation techniques commonly used for these inverters. Subsequently, the single-phase CHMLI is designed and simulated using MATLAB/Simulink software. To improve the signal quality, Butterworth filters were used for both the input and output of the CHMLI, resulting in an almost pure sinusoid with a very low THD.

Original languageEnglish
Title of host publicationProceedings of 7th International Congress on Information and Communication Technology, ICICT 2022
EditorsXin-She Yang, Simon Sherratt, Nilanjan Dey, Amit Joshi
PublisherSpringer Science and Business Media Deutschland GmbH
Pages451-459
Number of pages9
ISBN (Print)9789811916069
DOIs
StatePublished - 2023
Event7th International Congress on Information and Communication Technology, ICICT 2022 - Virtual, Online
Duration: 21 Feb 202224 Feb 2022

Publication series

NameLecture Notes in Networks and Systems
Volume447
ISSN (Print)2367-3370
ISSN (Electronic)2367-3389

Conference

Conference7th International Congress on Information and Communication Technology, ICICT 2022
CityVirtual, Online
Period21/02/2224/02/22

Bibliographical note

Publisher Copyright:
© 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

Keywords

  • DC-AC converters
  • Modular multilevel inverters
  • PSPWM modulation for HCMLI

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