Cristin-resultat-ID: 1947467
Sist endret: 31. januar 2022, 08:53
NVI-rapporteringsår: 2021
Resultat
Vitenskapelig artikkel
2021

Reduced-Order Model of Distributed Generators with Internal Loops and Virtual Impedance

Bidragsytere:
  • Fredrik T. B. W. Göthner
  • Javier Roldan-Pérez
  • Raymundo E. Torres Olguin og
  • Ole-Morten Midtgård

Tidsskrift

IEEE Transactions on Smart Grid
ISSN 1949-3053
e-ISSN 1949-3061
NVI-nivå 2

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2021
Publisert online: 2021
Trykket: 2022
Volum: 13
Hefte: 1
Sider: 119 - 128

Importkilder

Scopus-ID: 2-s2.0-85117768704

Beskrivelse Beskrivelse

Tittel

Reduced-Order Model of Distributed Generators with Internal Loops and Virtual Impedance

Sammendrag

Reduced-order converter models have attracted attention in microgrid applications for being less computationally expensive and simpler to analyze. However, most of the models already developed in the literature only include basic control loops, while control additions such as virtual impedances and the effect of internal control loops are typically neglected. Also, the frequency range in which these models are applicable has not been thoroughly studied. In this paper, a low-order reduced-order model of a droop-controlled converter that includes internal control loops and virtual impedances is derived. The validity of the assumptions used to reduce the model is analyzed and a criterion for deciding the frequency range in which the model can be used is proposed. Differences between transient and quasi-stationary virtual impedances are highlighted by using the proposed modelling method. In particular, it is analytically shown that quasi-stationary virtual impedances have a larger stability region compared to transient virtual impedances. Simulation and experimental results based on a 60 kVA converter are used to validate the main contributions of this work

Bidragsytere

Fredrik Tomas Bjørndalen W Göthner

Bidragsyterens navn vises på dette resultatet som Fredrik T. B. W. Göthner
  • Tilknyttet:
    Forfatter
    ved Institutt for elkraftteknikk ved Norges teknisk-naturvitenskapelige universitet

Javier Roldan-Pérez

  • Tilknyttet:
    Forfatter
    ved Spania

Raymundo Enrique Torres-Olguin

Bidragsyterens navn vises på dette resultatet som Raymundo E. Torres Olguin
  • Tilknyttet:
    Forfatter
    ved Energisystemer ved SINTEF Energi AS

Ole-Morten Midtgård

  • Tilknyttet:
    Forfatter
    ved Institutt for elkraftteknikk ved Norges teknisk-naturvitenskapelige universitet
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