Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Agusti Egea‐Àlvarez"'
Autor:
Md Asif Uddin Khan, Qiteng Hong, Di Liu, Agusti Egea‐Àlvarez, Andreas Avras, Adam Dyśko, Campbell Booth, Djaved Rostom
Publikováno v:
IET Renewable Power Generation, Vol 16, Iss 9, Pp 1897-1907 (2022)
Abstract Increasing integration of converter‐interfaced renewable generation has led to significant operational challenges for power systems. Such challenges are mainly caused by the different capabilities and dynamic responses of the converters co
Externí odkaz:
https://doaj.org/article/0788cb65ed4f43fbb72fe5597aa73128
Akademický článek
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Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 160, Iss , Pp 110120- (2024)
This paper presents a control strategy for voltage source converters connected to weak grids. The proposed approach is based on slight modifications to the conventional vector current control strategy, including the use of two degrees of freedom prop
Externí odkaz:
https://doaj.org/article/7d6ac75dde7944c788206d1ea7708ad2
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109965- (2024)
The growing penetration of converter interfaced generation creates unprecedented challenges to protection strategies at all voltage levels. This paper proposes a novel Negative Sequence Current Injection (NSCI)-based active protection scheme for isla
Externí odkaz:
https://doaj.org/article/339f66fbd19f44d5a398243189f31d09
Publikováno v:
IEEE Access, Vol 12, Pp 81236-81251 (2024)
A key enabling technology for DC collection systems in offshore wind farms is a suitable wind turbine DC/DC converter. However, there is no consensus regarding the topology, design, or operating frequency of this converter. This paper presents an opt
Externí odkaz:
https://doaj.org/article/188aae61f7b54282abbe3b6a8bdfe0db
Publikováno v:
IET Renewable Power Generation, Vol 17, Iss 10, Pp 2458-2470 (2023)
Abstract The use of MVDC collector systems has been proposed as a way to reduce the levelised cost of energy (LCOE) of offshore wind farms. This study provides a quantitative assessment of the conditions required for such all‐DC wind farms to be co
Externí odkaz:
https://doaj.org/article/128f04ee2271459a8389c0fe3fdd95fa
Autor:
Callum Henderson, Agusti Egea-Alvarez, Sajjad Fekriasl, Thyge Knueppel, Gabriele Amico, Lie Xu
Publikováno v:
IEEE Open Access Journal of Power and Energy, Vol 10, Pp 617-628 (2023)
This work investigates the effect of grid-connected converter topology on equivalent converter output impedance with a specific focus on the diagonal dominance of the impedance matrix across a frequency range. When considering multiple-input multiple
Externí odkaz:
https://doaj.org/article/cba31d27f4ce4daab3faecd119776458
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 4, Pp 463-473 (2023)
This article presents a set of control enhancements for standard vector current control (VCC) that improves its stability and dynamic performance in an extended range of SCRs. Increasingly, the local SCR as seen by the converter fluctuates, making it
Externí odkaz:
https://doaj.org/article/7dfffcb1702c4e3e808f5290a6885a60
Autor:
Qiteng Hong, Md Asif Uddin Khan, Callum Henderson, Agustí Egea-Àlvarez, Dimitrios Tzelepis, Campbell Booth
Publikováno v:
Engineering, Vol 7, Iss 8, Pp 1057-1063 (2021)
The ambitious global targets on decarbonization present the need for massive integration of renewable generation in power systems, resulting in a significant decrease in the system inertia. In addition to the reduction in system inertia, the transmis
Externí odkaz:
https://doaj.org/article/d7ad641505d448bba3bb022a5761b873
Publikováno v:
IEEE Open Journal of the Industrial Electronics Society, Vol 2, Pp 441-450 (2021)
Power-synchronization control (PSC) is a promising control strategy to improve the stability and performance of voltage-source converters (VSCs) in ultra-weak AC grids. However, evaluation of PSC to date has investigated performance only at single co
Externí odkaz:
https://doaj.org/article/f2293c47a7964e85ba60f217ea09355f