Results 31 to 40 of about 7,789 (205)

DC Network Model Based on VSC-HVDC System

open access: yesTRANSACTIONS ON ELECTRICAL ENGINEERING, 2020
<span style="font-family: 'Times New Roman',serif; font-size: 12pt; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">The recent </span><span style="font-family: 'Times New Roman',serif; font-size: 12pt; mso-fareast-font-family: 'Times New Roman ...
Aleisawee Alsseid   +2 more
openaire   +2 more sources

Virtual Synchronous Generator Control Strategy of Three Terminal Back-To-Back Voltage Source Converter Based HVDC and Its Application in Distribution Network

open access: yes发电技术, 2018
A kind of connection scheme of three-terminal back-to-back (BTB) voltage source converter based HVDC(VSC-HVDC) system in 10 kV distribution network was discussed, which can improve the reliability of power supply and restrain the circulation by the ...
Dan ZOU   +6 more
doaj   +1 more source

Impedance-compensated grid synchronisation for extending the stability range of weak grids with voltage source converters [PDF]

open access: yes, 2016
This paper demonstrates how the range of stable power transfer in weak grids with voltage source converters (VSCs) can be extended by modifying the grid synchronisation mechanism of a conventional synchronous reference frame phase locked loop (PLL).
D'Arco, Salvatore   +3 more
core   +2 more sources

Very long distance connection of gigawatt size offshore wind farms: extra high-voltage ac versus high-voltage dc cost comparison [PDF]

open access: yes, 2016
This study presents a cost comparison between commercially available high-voltage DC (HVDC) and extra high-voltage AC shore connection (±320 kV voltage source converter and 420 kV-50 Hz single-core and three-core cables), for a 1 GW offshore wind farm ...
LAURIA, Stefano   +3 more
core   +1 more source

Power balancing and dc fault ride through in DC grids with dc hubs and wind farms [PDF]

open access: yes, 2015
Acknowledgment This project was funded by European Research Council under the Ideas program in FP7; grant no 259328, 2010.Peer ...
Jovcic, Dragan, Lin, Weixing
core   +1 more source

Improving power system damping by utilizing VSC-HVDC

open access: yes2012 IEEE Power and Energy Society General Meeting, 2012
In this paper, damping power system oscillations with active power and ac voltage modulations of VSC-HVDC is analyzed with the aim of gaining a physical insight into this problem. Enhanced system stability property of the compensated system is shown through detailed analysis.
Ruan, Si-Ye   +3 more
openaire   +3 more sources

Fault Ride-through Capability Enhancement of Voltage Source Converter-High Voltage Direct Current Systems with Bridge Type Fault Current Limiters

open access: yesEnergies, 2017
This paper proposes the use of bridge type fault current limiters (BFCLs) as a potential solution to reduce the impact of fault disturbance on voltage source converter-based high voltage DC (VSC-HVDC) systems.
Md Shafiul Alam   +1 more
doaj   +1 more source

Application of Grey Wolf Optimizer Algorithm for Optimal Power Flow of Two-Terminal HVDC Transmission System [PDF]

open access: yes, 2017
This paper applies a relatively new optimization method, the Grey Wolf Optimizer (GWO) algorithm for Optimal Power Flow (OPF) of twoterminal High Voltage Direct Current (HVDC) electrical power system.
Hassan, Heba Ahmed
core   +1 more source

VSC-HVDC and Its Applications for Black Start Restoration Processes

open access: yesApplied Sciences, 2021
System reliability is a measure of an electric grid system’s ability to deliver uninterrupted service at the proper voltage and frequency. This property of the electric system is commonly affected by critical processes, such as a total blackout.
Rafael Sanchez Garciarivas   +7 more
doaj   +1 more source

The adequacy of the present practice in dynamic aggregated modelling of wind farm systems [PDF]

open access: yes, 2016
Large offshore wind farms are usually composed of several hundred individual wind turbines, each turbine having its own complex set of dynamics. The analysis of the dynamic interaction between wind turbine generators (WTG), interconnecting ac cables, and
Dyke, K   +3 more
core   +1 more source

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