Model Predictive Control of a Quasi-Three-Level Inverter Topology Supplying Multiple Solar-Powered Pumps

Matias Paredes, Domingo Ruiz, Werner Jara, Ruben Pena, JAVIER ALEJANDRO RIEDEMANN AROS

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

1 Scopus citations

Abstract

When multiple loads need to be supplied with variable voltage and/or frequency, one of the interests is to reduce the number of power devices of the topology used, in order to reduce the cost and volume of the converter. This paper proposes a topology that combines features of standard two-and three-level converters with reduced number of switches. The converter is capable to produce a quasi-three-level output voltage and is suitable to supply multiple loads. In this work, the topology is proposed to be used in a multiple-machine solar pumping system. The converter is operated to extract the maximum available power from a photovoltaic array and a predictive control strategy is proposed to regulate the machine currents as well as to balance the voltages of the converter input capacitors. Simulations of the system considering two pump drives are presented and discussed.

Original languageEnglish
Title of host publication2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages225-229
Number of pages5
ISBN (Electronic)9781728169903
DOIs
StatePublished - 28 Sep 2020
Externally publishedYes
Event11th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020 - Dubrovnik, Croatia
Duration: 28 Sep 20201 Oct 2020

Publication series

Name2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020

Conference

Conference11th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020
Country/TerritoryCroatia
CityDubrovnik
Period28/09/201/10/20

Keywords

  • DC-AC power converter
  • solar energy
  • variable speed drives

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