Results 51 to 60 of about 17,565 (205)

Test system requirements for modelling future power systems [PDF]

open access: yes, 2010
This paper discusses the need for new test system models to be developed and made available to researchers. A number of features of such test systems are proposed.
Bell, K.R.W., Tleis, A.N.D.
core   +1 more source

Single-end Protection Scheme Based on Transient Power Waveshape for Hybrid HVDC Transmission Lines

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
The recent in-depth development of hybrid high-voltage direct current (HVDC) transmission systems poses looming adaptability challenges to protection.
Feiyang Dai, Zexin Zhou, Xingguo Wang
doaj   +1 more source

The Surface Potential Restoration Algorithm of Electrostatic Capacitance Probe During On‐Line Measurement

open access: yesHigh Voltage, EarlyView.
ABSTRACT The surface charge accumulation on insulators is one of the important factors that limit the development of high‐voltage direct current (HVDC) gas insulated transmission line (GIL), and the accurate measurement of surface charge is the basis to explore its physical mechanism.
Lei Zhang   +3 more
wiley   +1 more source

Chance-Constrained AC Optimal Power Flow Integrating HVDC Lines and Controllability

open access: yes, 2019
The integration of large-scale renewable generation has major implications on the operation of power systems, two of which we address in this work.
Barre, Adelie   +4 more
core   +1 more source

Power balancing and dc fault ride through in DC grids with dc hubs and wind farms [PDF]

open access: yes, 2015
Acknowledgment This project was funded by European Research Council under the Ideas program in FP7; grant no 259328, 2010.Peer ...
Jovcic, Dragan, Lin, Weixing
core   +1 more source

HVDC Transmission Systems based Multi-level Voltage Source Converters for Iraqi Super Grid [PDF]

open access: yesEngineering and Technology Journal, 2014
High Voltage Direct Current Transmission (HVDC) with Voltage Source Converter (VSC) technology provides substantial technical and economical advantages for different applications compared to conventional HVDC transmission systems based on thyristor ...
Adil Hameed Ahmed   +1 more
doaj   +1 more source

Micro Partial Discharge Characteristics of SF6 Under DC Voltage

open access: yesHigh Voltage, EarlyView.
ABSTRACT In gas‐insulated high‐voltage direct current (HVDC) devices, micro partial discharges (PD) caused by micro‐protrusions or surface roughness on conductors or enclosures may not cause immediate insulation system failure due to their weak discharge intensity.
Geng Chen   +4 more
wiley   +1 more source

Economic Aspect of Hvdc Transmission System for Indonesia Consideration in Nuclear Power Development [PDF]

open access: yes, 2009
ECONOMIC ASPECT OF HVDC TRANSMISSION SYSTEM FOR INDONESIA CONSIDERATION ON NUCLEAR POWER DEVELOPMENT. As a country with hundreds million people, Indonesia needs to generate large scale power and distribute it to thorough country to improve gross domestic
Liun, E. (Edwaren)
core  

Distributed Secondary Frequency Control through MTDC Transmission Systems

open access: yes, 2015
In this paper, we present distributed controllers for sharing primary and secondary frequency control reserves for asynchronous AC transmission systems, which are connected through a multi-terminal HVDC grid.
Andersson, Göran   +4 more
core   +2 more sources

Impedance-compensated grid synchronisation for extending the stability range of weak grids with voltage source converters [PDF]

open access: yes, 2016
This paper demonstrates how the range of stable power transfer in weak grids with voltage source converters (VSCs) can be extended by modifying the grid synchronisation mechanism of a conventional synchronous reference frame phase locked loop (PLL).
D'Arco, Salvatore   +3 more
core   +2 more sources

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