A Five-Level Low-Cost Modular Voltage Stepped-Up Converter for Photovoltaic Systems

Jiani Luo, Zaixin Song, Wei Han, Dianxun Xiao*

*Corresponding author for this work

Research output: Chapter in Book/Conference Proceeding/ReportConference Paper published in a bookpeer-review

1 Citation (Scopus)

Abstract

This paper presents a novel five-level low-cost modular voltage stepped-up (5L LMVS) converter. Unlike other existing 5L converters, the 5L LMVS converter requires fewer active and passive components and the modularity of the switches in the topology is easily achieved. Besides, the proposed 5L LMVS converter doubles the output voltage, making it both cost-effective and capable of delivering high energy conversion. Given its advantages, the 5L LMVS converter is well-suited for use in medium-voltage and high-power photovoltaic (PV) systems. To regulate the output current, Module Predictive Current Control (MPCC) is implemented in the proposed converter. Finally, the advantages of the proposed converter and accuracy of current control in both steady-state and dynamic performance are verified through simulation.

Original languageEnglish
Title of host publication2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-5
Number of pages5
ISBN (Electronic)9798350316445
DOIs
Publication statusPublished - 2023
Externally publishedYes
Event2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 - Nashville, United States
Duration: 29 Oct 20232 Nov 2023

Publication series

Name2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023

Conference

Conference2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
Country/TerritoryUnited States
CityNashville
Period29/10/232/11/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • Five-level
  • MPCC
  • multilevel inverters
  • solar PV
  • voltage boosting

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