Multiobjective Predictive Control of a three-phase seven-level cascaded H-bridge converter for grid-connected photovoltaic systems

Christian A. Rojas, Samir Kouro, Roberto Ruiz, Sebastian Rivera, Bin Wu, Xiaoqiang Guo

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

4 Scopus citations

Abstract

This paper presents a grid-connected seven-level cascaded H-bridge converter operating as photovoltaic inverter. The main issue with this topology are the natural power imbalances between the power cells and the phases of the converter. The control problem is addressed with a Multiobjective Finite Control Set Model Predictive Control, where a dc-link voltage balance among the cells and good tracking of the active and reactive power references injected to the grid are achieved. Furthermore, an average switching frequency control per cell has been included. The proposed control scheme is validated trough simulation results and tested under dynamic conditions.

Original languageEnglish
Title of host publicationProceedings - 2015 IEEE 24th International Symposium on Industrial Electronics, ISIE 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1121-1126
Number of pages6
ISBN (Electronic)9781467375542
DOIs
StatePublished - 28 Sep 2015
Externally publishedYes
Event24th IEEE International Symposium on Industrial Electronics, ISIE 2015 - Buzios, Rio de Janeiro, Brazil
Duration: 3 Jun 20155 Jun 2015

Publication series

NameIEEE International Symposium on Industrial Electronics
Volume2015-September

Conference

Conference24th IEEE International Symposium on Industrial Electronics, ISIE 2015
Country/TerritoryBrazil
CityBuzios, Rio de Janeiro
Period3/06/155/06/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

Keywords

  • Grid-Connected Photovoltaic Converters
  • Multilevel Converters
  • Photovoltaic Applications
  • Predictive control

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