Results 81 to 90 of about 30,997 (159)

Modelling of VSC-HVDC for Slow Dynamic Studies [PDF]

open access: yes, 2013
With recent advances in technology and the controllability it offers, Voltage Source Converter based HVDC (VSC-HVDC) is expected to be the preferred choice for integration of renewable energy sources and when building large HVDC grids.
Lennerhag, Oscar, Träff, Viktor
core   +1 more source

Current-limiting characteristics of saturated iron-core fault current limiters in VSC-HVDC systems based on electromagnetic energy conversion mechanism

open access: yesJournal of Modern Power Systems and Clean Energy, 2018
A common method to examine the current-limiting performance of saturated iron-core fault current limiter (SI-FCL) in high-voltage direct-current transmission based on voltage source converter (VSC-HVDC) systems is to solve differential equations based on
Botong LI   +4 more
doaj   +1 more source

A Novel Ensemble Fault Diagnosis Model for Main Circulation Pumps of Converter Valves in VSC-HVDC Transmission Systems. [PDF]

open access: yesSensors (Basel), 2023
Zhou S   +9 more
europepmc   +1 more source

Study on overvoltage of hybrid LCC-VSC-HVDC transmission

open access: yesThe Journal of Engineering, 2018
Hybrid line commutation converter-voltage-source converter high-voltage direct current transmission (LCC-VSC-HVDC) power transmission has unique technical advantages, but its overvoltage study is not sufficient at present.
Dizhen Xu   +4 more
doaj   +1 more source

VSC-HVDC for Long-Term Voltage Stability Improvementrol

open access: yes, 2009
In this thesis an investigation of voltage stability improvement for power systems with VSCHVDC has been demonstrated. This investigation has been made by controlling active power flow through VSC-HVDC.
Kirik, Mehmet
core   +2 more sources

Wideband Oscillation Mechanism Analysis in VSC-HVDC Systems With Virtual Synchronous Machine in Master-Slave Mode

open access: yesIEEE Access
Virtual synchronous machine (VSM) has been applied in voltage source converter high voltage direct current (VSC-HVDC) system. This paper proposes a stability evaluation model for ‘rate of change of frequency-transient frequency excursion’ ...
Chang Li   +4 more
doaj   +1 more source

Comparative Analysis on Small-Signal Stability of Multi-Infeed VSC HVDC System With Different Reactive Power Control Strategies

open access: yesIEEE Access, 2019
Voltage Source Converter based High Voltage Direct Current (VSC HVDC) technology is used more and more in modern power systems. Consequently, in the ac network, an increasing number of converters are appearing in mutual electrical proximity, thus forming
Goran Grdenic   +2 more
doaj   +1 more source

A VSC-HVDC-Assisted Black-Start Strategy in Bulk Power Systems a Case Study in San Diego

open access: yesIEEE Open Access Journal of Power and Energy
With the worldwide growth in deploying high-voltage direct current (HVDC) transmission systems, their ability to facilitate black-start (BS) restoration has been a research topic of interest.
Xiaofei Wang   +4 more
doaj   +1 more source

Stability analysis of multi-infeed HVDC system applying VSC-HVDC

open access: yes, 2010
This paper presents a general model of dual infeed HVDC system applying VSC-HVDC, which can be used as an element in large multi infeed HVDC system. The model may have different structure under different grid faults because of the action of breakers ...
Liu, Yan   +3 more
core   +1 more source

VSC-HVDC System for Industrial Plants With Onsite Generators

open access: yes, 2009
Modern industrial customers, such as pulp and paper industries, have increased the vulnerability to power quality problems. A voltage source converter based high-voltage direct current (VSC-HVDC) transmission has the potential to offer high power quality
Du, C. Q.   +11 more
core   +2 more sources

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