Results 11 to 20 of about 28,726 (209)

Power Stability Analysis and Evaluation Criteria of Dual-Infeed HVDC with LCC-HVDC and VSC-HVDC

open access: yesApplied Sciences, 2021
This paper analyzes the power stability of the hybrid dual-infeed high-voltage direct-current (HVDC) system containing a line commutated converter-based HVDC (LCC-HVDC) and a voltage source converter-based HVDC (VSC-HVDC).
Xinglong Wu, Zheng Xu, Zheren Zhang
doaj   +2 more sources

Linealización de sistemas VSC-HVDC para el diseño de un controlador PI vectorial [PDF]

open access: yesRevista Científica, 2014
Los sistemas VSC-HVDC son muy utilizados para la transmisión de energía en redes de interconexión eléctrica. Uno de los principales problemas que poseen estos sistemas es la complejidad de su modelo matemático, lo que conlleva grandes dificultades para ...
Nelson Díaz-Aldana   +2 more
doaj   +2 more sources

Optimal control design for VSC-HVDC systems [PDF]

open access: yes2013 International Conference on Electrical Engineering and Software Applications, 2013
This paper deals with modeling and optimal control design of VSC-HVDC transmission system in order to enhance system stability. The steady of the state mathematical model for GL (Generator-Load) VSC-HVDC system is developed and the decoupled relationship between the controlling variables is proposed.
Ayari, Mohamed   +4 more
openaire   +3 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

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

Modeling and Control of VSC-HVDC Transmissions

open access: yes, 2011
Presently power systems are being operated under high stress level conditions unforeseen at the moment they were designed. These operating conditions have negatively impacted reliability, controllability and security margins. FACTS devices and HVDC transmissions have emerged as solutions to help power systems to increase the stability margins. VSC-HVDC
Latorre, Hector
core   +4 more sources

Hybrid HVDC for supply of power to offshore oil platforms [PDF]

open access: yes, 2004
A HVDC hybrid system, comprising a line commutated thyristor HVDC converter and a STATCOM, is proposed in this paper for supplying power to offshore oil platforms that do not have their own generation. The proposed system combines the robust performance,
Cartwright, P., Andersen, B., Xu, L.
core   +3 more sources

Overview of Research on Stability and Control of VSC-HVDC

open access: yes发电技术, 2019
Voltage source converter based high voltage direct current (VSC-HVDC) transmission systems has the advantages of good active and reactive power control capability and more suitable for multi-terminal transmission system.
Mingzhe WU, Wuhui CHEN
doaj   +1 more source

A Commutation Failure Suppression Control Method Based on the Controllable Operation Region of Hybrid Dual-Infeed HVDC System

open access: yesEnergies, 2018
With the increased use of high voltage direct current (HVDC) systems, line commutated converters (LCC-HVDC) and voltage source converters (VSC-HVDC) tend to feed into AC systems over short electrical distances.
Chao Xiao   +5 more
doaj   +1 more source

Study on fault ride-through control of islanded wind farm connected to VSC-HVDC grid based on the VSC converter AC-side bus forced short circuit

open access: yesThe Journal of Engineering, 2019
Wind farms integrated to an AC power system through a voltage source converter-based high-voltage direct current system (VSC-HVDC) are viewed as islanded wind farms. The wind farm side converter of VSC-HVDC maintains a constant frequency of the wind farm
Yan Li   +3 more
doaj   +1 more source

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