Results 111 to 120 of about 15,918 (222)

Recent developments in HVDC transmission systems to support renewable energy integration

open access: yesGlobal Energy Interconnection, 2018
The demands for massive renewable energy integration, passive network power supply, and global energy interconnection have all gradually increased, posing new challenges for high voltage direct current (HVDC) power transmission systems, including more ...
Zhou Li   +6 more
doaj   +1 more source

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

Application and development of power electronic devices in VSC-HVDC transmission system

open access: yes机车电传动, 2023
Voltage sourced converter based high voltage direct current (VSC-HVDC) is the core technology of new type of power systems with new energy as its main part.
YANG Liu   +5 more
doaj  

Coordinated operation control on low DC voltage of HVDC integrating wind farms

open access: yesThe Journal of Engineering, 2019
In recent years, with the development of high voltage direct current (HVDC) transmission technology, wind power integration with modular multiple converter-HVDC (MMC-HVDC) has been widely researched and applied.
Qingzhi Zhang, Chenggong Zhao, Chuan Du
doaj   +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

Parameterization of Circuit Breakers for HVDC Transmission Line Between Egypt and the Kingdom of Saudi Arabia Toward Restriking Voltage

open access: yesIEEE Access
The high voltage direct current (HVDC) transmission lines represent the prospective way for long-distance transmission between countries, remote areas, and offshore wind farms to decrease power loss.
Tamer Eliyan   +4 more
doaj   +1 more source

Static voltage sharing technology of multi-break mechanical switch for hybrid HVDC breaker

open access: yesThe Journal of Engineering, 2019
The hybrid high-voltage direct current (HVDC) breaker combines mechanical and power electronics switching that enables it to interrupt power flows within a few milliseconds.
Qiuyu Yang   +4 more
doaj   +1 more source

HVDC-DNN-MFO: Classifying High-Voltage Direct Current Interference Events in Geomagnetic Field Observation Data Using Deep Neural Network and Moth-Flame Optimization Algorithm

open access: yesIEEE Access
Geomagnetic field observation data are valuable resources for seismic geomagnetic research. However, the construction of subways, light railroads, and high-voltage direct current transmission lines in recent years has seriously affected the output data ...
Weifeng Shan   +6 more
doaj   +1 more source

A Black Start Scheme Based on Modular Multilevel Control-High Voltage Direct Current

open access: yesEnergies, 2018
Modern society’s need for power and its dependence on power sources is increasing with its development. As a result the consequences of blackout accidents have become more serious. At present, only three sources can be regarded as black-start power
Zecheng Li, Guojun Tan
doaj   +1 more source

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