Results 31 to 40 of about 9,731 (213)

Power system security enhancement by HVDC links using a closed-loop emergency control [PDF]

, 2019
In recent years, guaranteeing that large-scale interconnected systems operate safely, stably and economically has become a major and emergency issue.
Allaoui, Tayeb, Benasla, Mokhtar, Brahami, Mostefa, Denai, Mouloud, Sood, Vijay   +4 more
core   +2 more sources

AC fault ride through control strategy on inverter side of hybrid HVDC transmission systems

Journal of Modern Power Systems and Clean Energy, 2019
Hybrid high-voltage direct current (HVDC) transmission systems employ a new type of HVDC transmission topology that combines the advantages of the line-commutated converter system and the voltage-source converter system.
Zexin Zhou, Zhengguang Chen, Xingguo Wang, Dingxiang Du, Guosheng Yang, Yizhen Wang, Liangliang Hao   +6 more
doaj   +1 more source

Topology assessment for 3 + 3 terminal offshore DC grid considering DC fault management [PDF]

, 2014
Peer ...
Jovcic, Dragan, Nguefeu, S., Taherbaneh, Mohsen, Taisne, J.P.   +3 more
core   +1 more source

Study on the characteristic of the grounding fault on the cascaded midpoint side of the hybrid cascaded HVDC system

Frontiers in Energy Research, 2023
The hybrid cascaded high-voltage direct current (HVDC) system combines the system support capabilities of the modular multilevel converter (MMC) with the capacity of the line-mutated converter’s (LCC’s) advantage of high-power transmission.
Yonghao Ren, Huadong Sun, Shanshan Wang, Bing Zhao, Shiyun Xu, Min Liu, Panjie Lian   +6 more
doaj   +1 more source

Ancillary Services in Hybrid AC/DC Low Voltage Distribution Networks [PDF]

, 2019
In the last decade, distribution systems are experiencing a drastic transformation with the advent of new technologies. In fact, distribution networks are no longer passive systems, considering the current integration rates of new agents such as ...
Barragán Villarejo, Manuel, Demoulias, Charis, Gómez Expósito, Antonio, Mauricio Ferramola, Juan Manuel, Maza Ortega, José María   +4 more
core   +1 more source

Evaluation of the Electromagnetic Environment Around Underground HVDC Lines [PDF]

, 2010
This paper analyses the magnetic-field emissions of a high-voltage dc transmission line constituted by two couples of underground cables laid along a highway.
Bottauscio, O., Chiampi, Mario, Pastorelli, Michele Angelo, Pons, Enrico, Zilberti, Luca   +4 more
core   +1 more source

Single-end Protection Scheme Based on Transient Power Waveshape for Hybrid HVDC Transmission Lines

Journal of Modern Power Systems and Clean Energy, 2023
The recent in-depth development of hybrid high-voltage direct current (HVDC) transmission systems poses looming adaptability challenges to protection.
Feiyang Dai, Zexin Zhou, Xingguo Wang
doaj   +1 more source

Fault mode operation strategies for dual H-bridge current flow controller in meshed HVDC grid [PDF]

, 2018
Peer ...
Carvalho, Adriano, Gomis Bellmunt, Oriol, Mokhberdoran, Ataollah, Prieto Araujo, Eduardo, Sau Bassols, Joan, Silva, Nuno   +5 more
core   +2 more sources

System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]

, 2019
Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden, Burt, Callavik, Dong Chen, Mitchell, Mohamed Emad Farrag, Oudalov, Waqas Javed, Wu, Xue, Yan Xu, Zhong   +11 more
core   +1 more source

Research on Serial VSC-LCC Hybrid HVdc Control Strategy and Filter Design Scheme

Energies, 2020
This paper investigated the characteristics of a novel type of hybrid high voltage direct current (HVdc) converter, which is composed by line commutated converter series with voltage source converter.
Fan Cheng, Lijun Xie, Zhibing Wang
doaj   +1 more source