Control of single-stage single-phase PV inverter

Mihai Ciobotaru, Remus Teodorescu, Frede Blaabjerg

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

In this paper the issue of control strategies for single-stage photovoltaic (PV) inverter is addressed. Two different current controllers (the classical proportional-integral (PI) and the novel proportional-resonant (PR) controllers) have been implemented and an experimental comparison between them has been made. A complete control structure for the single-phase PV system is also presented. The superiority of the PR controller is demonstrated with respect to the PI controller in terms of harmonic current rejection and the capability to remove the steady-state error without using the voltage feed-forward (VFF). The control strategy was successfully tested on a real 1.5 kW PV inverter.
Original languageEnglish
Pages (from-to)20-26
Number of pages7
JournalEPE Journal (European Power Electronics and Drives Journal)
Volume16
Issue number3
DOIs
Publication statusPublished - Sep 2006
Externally publishedYes

Keywords

  • distributed power generation
  • harmonics
  • photovoltaic
  • single phase system
  • Solar Cell System

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