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AuthorGowaid, I. A.
AuthorAbdel-Khalik, A. S.
AuthorMassoud, Ahmed
AuthorAhmed, S.
Available date2022-03-23T07:01:07Z
Publication Date2013
Publication NameIEEE Transactions on Sustainable Energy
ResourceScopus
Identifierhttp://dx.doi.org/10.1109/TSTE.2013.2261830
URIhttp://hdl.handle.net/10576/28842
AbstractDoubly-fed induction generator (DFIG)-based wind turbines (WTs) are reported to suffer reliability problems due to the presence of slip-rings, brushes, and the gearbox. These disadvantages encouraged several research groups to investigate the viability of employing single or double-frame brushless cascade DFIGs (BCDFIGs) in grid-connected multimegawatt WTs especially offshore and in solar chimney power plants. In this regard, this paper tackles three main issues. Initially, the expected reduction in gear ratio when BCDFIGs are used instead of DFIGs is examined from a steady state perspective. A reduction would lead to less frequent maintenance and an improved return on investment. Next, a detailed comparison between DFIG-WTs and BCDFIG-WTs under unbalanced grid voltage is presented. Finally, the extent to which a multimegawatt BCDFIG-WT is grid code compliant in terms of fault ride-through capability is studied. This is illustrated by comparing and quantifying the response of a DFIG-WT and a BCDFIG-WT to a severe three-phase voltage dip. Simulation and experimental results indicate promising behavior for BCDFIGs during disturbances.
SponsorQatar National Research Fund
Languageen
PublisherIEEE
SubjectBrushless doubly fed induction generator (BDFIG)
Doubly-fed induction generator
Fault ride through capability
fault-ride through (FRT)
grid-fault response
Solar chimney power plant
Unbalanced grid voltages
Variable speed wind turbines
Electric power generation
Power converters
Wind power
Wind turbines
Power plants
TitleRide-through capability of grid-connected brushless cascade DFIG wind turbines in faulty grid conditions-A comparative study
TypeArticle
Pagination1002-1015
Issue Number4
Volume Number4
dc.accessType Abstract Only


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