Results 11 to 20 of about 36,815 (251)
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 +1 more
semanticscholar +3 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 +5 more
semanticscholar +3 more sources
Overview and Assessment of HVDC Current Applications and Future Trends
Energies, 2022 High voltage direct current (HVDC) technology has begun to gather a high degree of interest in the last few decades, showing a fast evolution of achievable voltage levels, transfer capacities, and transmission lengths.
Andrei Stan +2 more
doaj +2 more sources
Direct current power system stabilizers for HVDC grids: Current status [PDF]
IET Generation, Transmission & Distribution, 2023 A power system stabilizer (PSS) is a control system integrated into the control structure of specific generation units within AC grids. It monitors current, voltage, and machine shaft speed.
Neda Azizi +3 more
doaj +2 more sources
EnergiesCommutation failures in high-voltage direct current (HVDC) transmission systems often occur within inverter stations, posing challenges to the safe and consistent operation of HVDC transmission projects.
Dandan Zhao +5 more
doaj +2 more sources
High Voltage Direct Current (HVDC) Transmission Project Location Analysis
README: These data and code correspond to the pre-print manuscipt "Undergrounding High Voltage Direct Current transmission: accelerating buildout", an original research work by the Climate Innovation Initiative at the Environmental Defense Fund (EDF). The output dataset (HVDC_Projects_out_EDF_2024.csv) contains the relevant variables and data for the ...
Walkowiak, Blake
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 RepThis 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 +4 more
europepmc +2 more sources
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
A timely switch fault ride-through method for VSC-HVDC system
电力工程技术, 2022 In order to achieve the fault through of voltage source converter-based high voltage direct current (VSC-HVDC)system during alternating current (AC) system asymmetric faults and keep stability of the impedance at steadystate, a timely switch fault ...
WANG Ke +5 more
doaj +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