Results 41 to 50 of about 18,021 (222)
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 +4 more
core +2 more sources
Modular multilevel converter losses model for HVdc applications [PDF]
, 2017 Multi-terminal high voltage dc (HVdc) grids can eventually became a feasible solution to transport energy to remote and/ or distant areas and its exploitation depend, among other things, on the performance of the converter terminals.
Antonio Ferreira, Abel +1 more
core +2 more sources
Fault mode operation strategies for dual H-bridge current flow controller in meshed HVDC grid [PDF]
, 2018 Peer ...
Carvalho, Adriano +5 more
core +2 more sources
Energies, 2016 Many of the recent projects for new transmission line have considered the high-voltage direct current (HVDC) system, owing to the many advantages of the direct current (DC) system.
Sungchul Hwang, Jaegul Lee, Gilsoo Jang
doaj +1 more source
Classification and spatial mapping of atmospheric corrosion of China
npj Materials Degradation, 2022 Atmospheric corrosion is ubiquitous in China but varies a lot among different regions covering the cold, temperate, and tropical zones. Categorizing the atmospheric corrosivity and plotting precise atmospheric corrosion map remain key interest for a ...
Wenkui Hao +10 more
doaj +1 more source
Energies, 2022 High voltage direct current (HVDC) transmission systems play a critical role to optimize resource allocation and stabilize power grid operation in the current power grid thanks to their asynchronous networking and large transmission capacity.
Jiyang Wu +6 more
doaj +1 more source
Distributed Secondary Frequency Control through MTDC Transmission Systems
, 2015 In this paper, we present distributed controllers for sharing primary and secondary frequency control reserves for asynchronous AC transmission systems, which are connected through a multi-terminal HVDC grid.
Andersson, Göran +4 more
core +2 more sources
Modular multilevel converter with modified half-bridge submodule and arm filter for dc transmission systems with DC fault blocking capability [PDF]
, 2018 Although a modular multilevel converter (MMC) is universally accepted as a suitable converter topology for the high voltage dc transmission systems, its dc fault ride performance requires substantial improvement in order to be used in critical ...
Abdelsalam, Ibrahim A. +3 more
core +2 more sources
Energy Science &Engineering, EarlyView.By manipulating current and voltage measurements, an assailant can induce unwanted relay action while attempting to avoid detection. Detecting advanced cyber intrusions in power protection environments requires specialised data analysis and anomaly detection methods.
Feras Alasali +6 more
wiley +1 more source
Recent developments in HVDC transmission systems to support renewable energy integration
Global 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