Results 51 to 60 of about 787,692 (200)

Stability and control of VSC-based HVDC systems: A systematic review

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
The technological development in the area of power electronics has paved the way for the construction of High Voltage Direct Current (HVDC) systems. The utilization of HVDC grids alongside conventional High Voltage Alternating Current (HVAC) grids poses ...
Fazel Mohammadi   +3 more
doaj   +1 more source

Analysis of advantages high-voltage power lines transmission of direct current [PDF]

open access: yes, 2019
Виконано аналіз системи електропередач постійного струму, її використання в енергетиці України та переваг застосування у порівнянні з лініями змінного струму.Analysis performed of DC power system, its use in the energy sector of Ukraine and the ...
Havryliuk, Ihor   +3 more
core  

Modeling and Control of High-Voltage Direct-Current Transmission Systems: From Theory to Practice and Back

open access: yes, 2015
The problem of modeling and control of multi-terminal high-voltage direct-current transmission systems is addressed in this paper, which contains five main contributions.
Benchaib, Abdelkrim   +2 more
core   +3 more sources

Street railway equipment [PDF]

open access: yes, 1907
Citation: Alexander, Lizzie Bea. Problems of bread making. Senior thesis, Kansas State Agricultural College, 1907.Morse Department of Special CollectionsIntroduction: Alternating current will perhaps in time supplant direct current for traction purposes ...
Coxen, James R.   +2 more
core  

Operation and control of a current source converter series tapping of an LCC-HVDC link for integration of offshore wind power plants [PDF]

open access: yes, 2016
This work presents a series tapping station for integrating Offshore Wind Power Plants (OWPP) into a (Line Commutated Converter High Voltage Direct Current) LCC-HVDC transmission system.
Galceran Arellano, Samuel   +3 more
core   +2 more sources

WSN-Based Measurement of Ion-Current Density Under High-Voltage Direct Current Transmission Lines

open access: yesIEEE Access, 2019
Ion-current density is a significant indicator of electromagnetic environment under high voltage direct current lines. To improve measurement accuracy and convenience, this paper concluded factors that affect measurement results and a wireless ...
Yong Cui   +5 more
doaj   +1 more source

High Input Impedance Voltage-Mode Universal Biquadratic Filters With Three Inputs Using Three CCs and Grounding Capacitors [PDF]

open access: yes, 2012
Two current conveyors (CCs) based high input impedance voltage-mode universal biquadratic filters each with three input terminals and one output terminal are presented. The first circuit is composed of three differential voltage current conveyors (DVCCs),
Horng, J. W., Hsu, C. H., Tseng, C. Y.
core   +1 more source

Coordinated Supervisory Control of Multi-Terminal HVDC Grids: a Model Predictive Control Approach [PDF]

open access: yes, 2017
A coordinated supervisory control scheme for future multi-terminal High-Voltage Direct-Current (HVDC) grids is proposed. The purpose is to supervise the grid and take appropriate actions to ensure power balance and prevent or remove voltage or current ...
Debry, Marie-Sophie   +3 more
core   +1 more source

Novel Enhanced Modular Multilevel Converter for High-Voltage Direct Current Transmission Systems

open access: yesEnergies, 2020
This paper proposes an enhanced modular multilevel converter as an alternative to the conventional half-bridge modular multilevel converter that employs a reduced number of medium-voltage cells, with the aim of improving waveforms quality in its AC and ...
Dimitrios Vozikis   +3 more
doaj   +1 more source

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