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Boost-buck inverter variable structure control for grid-connected photovoltaic systems with sensorless MPPT

  • Carlos Meza
  • , Domingo Biel
  • , Juan Negroni
  • , Francesc Guinjoan

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

20 Scopus citations

Abstract

The present work describes the analysis, modeling and control of a transformerless Boost-Buck power inverter used as a DC-AC power conditioning stage for grid-connected photovoltaic (PV) systems. The power conditioning system's control scheme includes a variable structure controller to assure output unity power factor and a sensorless Maximum Power Point Tracking (MPPT) algorithm to optimize the PV energy extraction. To maximize the steady-state input-output energy transfer ratio a discrete linear controller is designed from a large-signal sampled data model of the system. The achievement of the DC-AC conversion at unity power factor and the efficient PV's energy extraction are validated with simulation results.

Original languageEnglish
Title of host publicationProceedings of the IEEE International Symposium on Industrial Electronics 2005, ISIE 2005
Pages657-662
Number of pages6
DOIs
StatePublished - 2005
Externally publishedYes
EventIEEE International Symposium on Industrial Electronics 2005, ISIE 2005 - Dubrovnik, Croatia
Duration: 20 Jun 200523 Jun 2005

Publication series

NameIEEE International Symposium on Industrial Electronics
VolumeII

Conference

ConferenceIEEE International Symposium on Industrial Electronics 2005, ISIE 2005
Country/TerritoryCroatia
CityDubrovnik
Period20/06/0523/06/05

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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