Results 11 to 20 of about 22,903,616 (209)

Overview and Assessment of HVDC Current Applications and Future Trends

open access: yesEnergies, 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

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

open access: yesGyancity 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
openaire   +3 more sources

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

open access: yesInstrumentation 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
openaire   +2 more sources

Inertia emulation control strategy for VSC-HVDC transmission systems [PDF]

open access: yes, 2013
There is concern that the levels of inertia in power systems may decrease in the future, due to increased levels of energy being provided from renewable sources, which typically have little or no inertia.
Roscoe, Andrew   +4 more
core   +4 more sources

Inertia emulation control of VSC-HVDC transmission system [PDF]

open access: yes, 2011
The increasing penetration of power electronics interfaced renewable generation (e.g. offshore wind) has been leading to a reduction in conventional synchronous-machine based generation.
Roscoe, Andrew   +3 more
core   +4 more sources

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

open access: yesEnergy 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

High Voltage Direct Current Transmission (HVDC)

open access: yesRevista 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

Recent advances in High-Voltage direct-current power transmission systems [PDF]

open access: yes, 2006
The ever increasing progress of high-voltage high-power fully-controlled semiconductor technology continues to have a significant impact on the development of advanced power electronic apparatus used to support optimised operations and efficient ...
Nikolas Flourentzou   +5 more
core   +1 more source

HVDC technologies in electric power transmission: International practices and development pathways in Kazakhstan [PDF]

open access: yesE3S Web of Conferences
High-voltage direct current (HVDC) transmission lines represent a key component of modern energy infrastructure, providing efficient longdistance electricity transmission and integration of renewable energy sources.
Akhatov Daulet   +7 more
doaj   +1 more source

Synthetic test circuit with two‐level voltage source for HVDC circuit breakers

open access: yesIET Generation, Transmission & Distribution, 2023
In order to ensure the reliable interruption of high voltage direct current circuit breaker (HVDC CB), the breaking test of HVDC CB plays an important role in its performance verification.
Shixin Xiu   +6 more
doaj   +1 more source

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