Voltage support provided by a droop-controlled multifunctional inverter

Juan C. Vasquez*, R. A. Mastromauro, Josep M. Guerrero, Marco Liserre

*Corresponding author

Research output: Contribution to journalJournal articleResearchpeer-review

265 Citations (Scopus)

Abstract

This paper presents a single-phase multifunctional inverter for photovoltaic (PV) systems application. The converter provides active power to local loads and injects reactive power into the grid providing voltage support at fundamental frequency. The proposed topology is controlled by means of the droop-control technique. Hence, it allows the obtaining of voltage-sag-compensation capability, endowing voltage ride-through to the system. A model and analysis of the whole system is given to properly choose the control parameters. Simulation and experimental results validate the proposed control using a 5-kVA PV converter.
Original languageEnglish
JournalIEEE Transactions on Industrial Electronics
Volume56
Issue number11
Pages (from-to)4510-4519
Number of pages10
ISSN0278-0046
DOIs
Publication statusPublished - 2 Nov 2009
Externally publishedYes

Keywords

  • Droop-control technique
  • Single-phase photovoltaic (PV) inverter
  • Voltage ride-through
  • Voltage-source inverter (VSI)

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