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AuthorKhalid, Hassan Abdullah
AuthorCecati, Carlo
AuthorAl-Emadi, Nasser Ahmed
AuthorGastli, Adel
AuthorBen-Brahim, Lazhar
Available date2022-11-15T11:28:10Z
Publication Date2021-2-22
Publication NameIEEE Access
Identifierhttp://dx.doi.org/10.1109/ACCESS.2021.3061141
CitationKhalid, H. A., Cecati, C., Al-Emadi, N. A., Gastli, A., & Ben-Brahim, L. (2021). Differential Flatness-Based Performance Enhancement of a Vector Controlled VSC With an LCL-Filter for Weak Grids. IEEE Access, 9, 33557-33568.
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85101750505&origin=inward
URIhttp://hdl.handle.net/10576/36460
AbstractIn this paper, a novel single-loop flatness-based controller (FBC) is proposed to control the grid-side current in a shunt converter connected to a weak grid through an LCL-filter. After its mathematical description, the paper reports controller implementation and some performance comparisons with two distinct implementations of the widely diffused vector current control approach, during balanced and unbalanced grid voltages, and weak grid conditions. Obtained results highlight higher tracking capability and better dynamic response of the proposed FBC. Moreover, because of its reduced negative conductance region, unstable behaviors that can be observed in weak grids appear significantly improved due to a reduced influence of the phase-locked loop system.
Languageen
PublisherIEEE
SubjectFlatness-based control
LCL-filter
vector current control
voltage source converter
weak grids
TitleDifferential Flatness-Based Performance Enhancement of a Vector Controlled VSC with an LCL-Filter for Weak Grids
TypeArticle
Pagination33557-33568
Volume Number9
ESSN2169-3536
dc.accessType Open Access


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