Results 31 to 40 of about 18,616 (261)

Analysis of influence of energy storage system parameters on HVDC commutation failure overvoltage [PDF]

open access: yesE3S Web of Conferences, 2023
Overvoltage is a common fault in high voltage direct current (HVDC) transmission systems, which directly affects the safe and stable operation of the system.
Ge Pengjiang   +5 more
doaj   +1 more source

HVDC power transmission electrode siting and design [PDF]

open access: yes, 1997
This research strives to shed light on the feasibility and practicality of using deep earth electrodes to permit their use for extended periods without adverse consequences. This report begins with a review of the fundamentals associated with current conduction in earth, including the various techniques available for measuring the earth`s electrical ...
Holt, R.J., Dabkowski, J., Hauth, R.L.
openaire   +2 more sources

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

open access: yes, 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

Analysis of the Harmonic Transmission Characteristics of HVDC Transmission Based on a Unified Port Theory Model

open access: yesIEEE Access, 2020
The application of power electronics can introduce flexibility into power systems, but it can also cause harmonic problems. As a typical application of power electronics, high-voltage direct current (HVDC) transmission exhibits very prominent harmonic ...
Dui Liu, Xiaohua Li, Zexiang Cai
doaj   +1 more source

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

open access: yesJournal 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   +6 more
doaj   +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

Experimental study on fault ride-through capability of VSC-based HVDC transmission system [PDF]

open access: yesArchives of Electrical Engineering, 2021
For voltage-source-converter based high-voltage-direct-current (VSC-HVDC) transmission systems, fault ride-through (FRT) capability is a very important grid requirement in order to enhance its operational availability under an alternating current (AC ...
Ngo Minh Khoa   +2 more
doaj   +1 more source

Simulation of large-scale energy storage to improve high-voltage DC stability [PDF]

open access: yesE3S Web of Conferences, 2019
Study on large-scale electrochemical energy storage simulation is carried out in this paper to discuss its feasibility in enhancing the stability of HVDC power transmission, thus providing a reference for large-scale energy storage planning and design in
He Guoxin   +4 more
doaj   +1 more source

Recent Advances and Future Perspectives of HVDC Development in Pakistan: A Scientometric Analysis Based Comprehensive Review

open access: yesIEEE Access, 2023
Power generation in the global power sector has recently seen a paradigm shift from centralized bulk generation to distributed generation. In this regard, there are two transmission technologies available: high-voltage alternating current (HVAC) and high-
Saqib Khalid   +4 more
doaj   +1 more source

Recyclable insulation material for HVDC cables in Global Energy Interconnection

open access: yesGlobal Energy Interconnection, 2018
With the development of modern power systems, especially that of the global energy internet, high-voltage, direct current (HVDC) cable power transmission will play an important role in the future.
Yao Zhou   +4 more
doaj   +1 more source

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