Active and reactive power control during unbalanced grid voltage in PV systems

Gustavo Hunter, Iván Andrade, JAVIER ALEJANDRO RIEDEMANN AROS, Ramón Blasco-Gimenez, Rubén Peña

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

7 Scopus citations

Abstract

This paper presents a control strategy for a grid connected photovoltaic (PV) system aiming to regulate the active and reactive power injected to the electric system during asymmetrical voltage faults. The active power reference is obtained from a Maximum Power Point Tracking (MPPT) algorithm. The proposed control strategy generates the required reference currents to be imposed by the grid-tied inverter from the desired active and reactive power and the measured supply voltage. The scheme is validated for a single stage PV system where the inverter currents are regulated via predictive control. Results showing the performance of the strategy are presented during unbalanced voltage sags and swells.

Original languageEnglish
Title of host publicationProceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society
PublisherIEEE Computer Society
Pages3012-3017
Number of pages6
ISBN (Electronic)9781509034741
DOIs
StatePublished - 21 Dec 2016
Event42nd Conference of the Industrial Electronics Society, IECON 2016 - Florence, Italy
Duration: 24 Oct 201627 Oct 2016

Publication series

NameIECON Proceedings (Industrial Electronics Conference)

Conference

Conference42nd Conference of the Industrial Electronics Society, IECON 2016
CountryItaly
CityFlorence
Period24/10/1627/10/16

Keywords

  • Current control
  • Low-voltage ride through (LVRT)
  • MPPT
  • Power generation control
  • Solar power generation
  • Voltage unbalance

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