Results 11 to 20 of about 33,769 (211)

HVDC (High Voltage Direct Current) Transmission System: A Review Paper [PDF]

Gyancity Journal of Engineering and Technology, 2018
Back in the early days of electricity supply, AC (alternating current) was adopted for power transmission because it could be stepped up or down as needed by transformers and because it could be interrupted more easily than DC (direct current). High-voltage AC grids evolved as an efficient way to connect existing islands of distribution grids and large
Kumar, Abhishek, Hussain, Dil muhammed Akbar   +1 more
openaire   +2 more sources

Accurate optical fiber current transducer for high-voltage direct current (HVDC) transmission

Instrumentation Science & Technology, 2022
Accurate optical fiber current transducer based on the Faraday magneto-optical effect is described for high voltage direct current (HVDC) transmission. The transducer may be used to measure DC and high-order harmonic currents in a ± 800 kV DC transmission field.
Liu, Haifeng, Guo, Hongjie, Tan, Manqing, Li, Qin, Meng, Xiangqiang, Yang, Xu   +5 more
openaire   +2 more sources

High voltage direct current system-based generation and transmission expansion planning considering reactive power management of AC and DC stations. [PDF]

Sci Rep
This study presents a planning approach that considers the simultaneous expansion of generating and transmission systems, taking into account the location and sizing of generation units, AC transmission lines, and high-voltage direct-current (HVDC ...
Akbari E, Naghibi AF, Veisi M, Pirouzi S, Safaee S.   +4 more
europepmc   +2 more sources

Battery Power Control Strategy for Intermittent Renewable Energy Integrated Modular Multilevel Converter-Based High-Voltage Direct Current Network

Sustainability, 2023
Modular multilevel converters (MMC) play a dominant role in integrating remotely located renewable energy resources (RER) over the high-voltage direct current (HVDC) transmission network. The fault ride-through capabilities of the MMC-HVDC network during
M. Hossain, M. Shafiullah, M. A. Abido
semanticscholar   +1 more source

Impact of HVDC transmission capacity on multi-send HVDC system voltage stability

Energy Reports, 2022
The massive construction of high voltage direct current (HVDC) makes the AC/DC interactions very complicated, which seriously affects transient voltage stability.
Mingjie Wang, Gang Zhang, Zhe Zhang
doaj   +1 more source

Critical Technical Issues with a Voltage-Source-Converter-Based High Voltage Direct Current Transmission System for the Onshore Integration of Offshore Wind Farms

Sustainability, 2023
Long-distance offshore wind power transmission systems utilize multi-terminal high voltage direct current (MT-HVDC) connections based on voltage source converters (VSCs).
M. A. Koondhar, G. S. Kaloi, Abdul Sattar Saand, Sadullah Chandio, Wonsuk Ko, Sisam Park, Hyeong-Jin Choi, R. El-Sehiemy   +7 more
semanticscholar   +1 more source

High Voltage Direct Current Transmission (HVDC)

Revista de Operaciones Tecnologicas, 2023
High Voltage Direct Current (HVDC) transmission links are currently in operation throughout the world. Until a few years ago, what has limited the use of this way of transmitting power has generally been its cost, but with the advances in power electronics in reducing costs in thyristors: higher rated voltage and current, and simplification of the ...
openaire   +1 more source

Magnetic fields produced by subsea high-voltage direct current cables reduce swimming activity of haddock larvae (Melanogrammus aeglefinus)

PNAS Nexus, 2022
High-voltage direct current (HVDC) subsea cables are used to transport power between locations and from/to nearshore and offshore facilities. HVDC cables produce magnetic fields (B-fields) that could impact marine fish.
A. Cresci, C. Durif, T. Larsen, R. Bjelland, A. Skiftesvik, H. Browman   +5 more
semanticscholar   +1 more source

Comparative Evaluation of Voltage Source Converters With Silicon Carbide Semiconductor Devices for High-Voltage Direct Current Transmission

IEEE transactions on power electronics, 2021
Recent advancements in silicon carbide (SiC) power semiconductor technology enable developments in the high-power sector, e.g., high-voltage-direct-current (HVdc) converters for transmission, where today silicon (Si) devices are state-of-the-art.
Keijo Jacobs, Stefanie Heinig, D. Johannesson, S. Norrga, H. Nee   +4 more
semanticscholar   +1 more source

Review of protection systems for multi-terminal high voltage direct current grids

Renewable & Sustainable Energy Reviews, 2021
Given the current evolution of Voltage Source Converters (VSC), Multi-Terminal High Voltage Direct Current (MTDC) grids are now becoming a real possibility. Still, some technical issues have to be addressed. The protection of High Voltage Direct Current (
M. J. Pérez-Molina, D. M. Larruskain, P. López, G. Buigues, V. Valverde   +4 more
semanticscholar   +1 more source