Optimized Design of Multiresonant AC Current Regulators for Single-Phase Grid-Connected Photovoltaic Inverters

Moria Elkayam, Alon Kuperman

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

In this brief, extension of known rules for designing optimized single-resonant ac current regulators to multiresonant current regulators parameter selection for single-phase grid-connected photovoltaic inverters is proposed. The proposed generalization is made possible by utilizing multiplied rather than summed resonant terms within the controller. A set of phase-margin oriented design guidelines is established, explicitly defining each controller parameter to corresponding figure of merit. Simulations and matching experimental results are shown to verify the proposed approach.

Original languageEnglish
Article number8844968
Pages (from-to)1815-1818
Number of pages4
JournalIEEE Journal of Photovoltaics
Volume9
Issue number6
DOIs
StatePublished - 1 Nov 2019

Keywords

  • Current control
  • distorted grid
  • grid-connected inverters
  • multiresonant (MR) control

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