Results 91 to 100 of about 8,930,858 (215)

Modeling of Efficient Control Strategies for LCC-HVDC Systems: A Case Study of Matiari-Lahore HVDC Power Transmission Line. [PDF]

open access: yesSensors (Basel), 2022
Ahmed A   +8 more
europepmc   +1 more source

DC protection coordination for multi‐terminal HB‐MMC‐based HVDC grids

open access: yesIET Renewable Power Generation
Fast progress of High Voltage Direct Current (HVDC) technology has been considerable over the past decades. Emerging Modular Multilevel Converter (MMC) provides power systems with promising solutions to integrate large‐scale renewable energy sources, as ...
Seyed Hassan Ashrafi Niaki   +5 more
doaj   +1 more source

Abnormal Failure Modes and Their Impact on HVDC Applications

open access: yesEnergies
Detecting and disconnecting faults is of utmost importance in power systems to prevent damage, outages and limit the impact on the surrounding grid. However, there are faults that may not be detected by protective functions and therefore do not interrupt
Martin Pettersson, Math Bollen
doaj   +1 more source

Investigation of Leakage Current Behaviour on Artificially Contaminated Insulators Under Superimposed HVDC Voltage Stress and Hybrid HVDC/HVAC Transmission Conditions

open access: yesEnergies
High-voltage direct current (HVDC) transmission systems are increasingly used for long-distance power transmission and the integration of renewable energy sources. In such systems, outdoor insulators are exposed to combined electrical stresses, including
Julian Hanusrichter, Frank Jenau
doaj   +1 more source

A Two-Dimensional Cloud Model for Condition Assessment of HVDC Converter Transformers

open access: yesEnergies, 2012
Converter transformers are the key and the most important components in high voltage direct current (HVDC) power transmission systems. Statistics show that the failure rate of HVDC converter transformers is approximately twice of that of transformers in ...
Linjie Zhao   +4 more
doaj   +1 more source

DESIGN AN SFCL FOR HVDC GRID

open access: yes, 2023
The increasing use of HVDC systems for transmitting power over long distances and incorporating renewable energy sources has made dealing with fault currents a key concern to maintain grid stability and equipment safety. This thesis offers an overview of
Duntow, Khadhar Abdi
core  

Evaluation of a Local Fault Detection Algorithm for HVDC Systems [PDF]

open access: yes, 2019
Publisher Copyright: © 2019, European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ). All rights reserved.A great increase in the amount of energy generated from clean and renewable sources integrated in the ...
Santos Mugica, M.   +4 more
core   +1 more source

control-protection-grids-tudelft/HVDC-RTDS-models: HVDC_models

open access: yes
<p>HVDC/AC models with the European ratings.</p ...
HVDC/AC Control, Aleksandra Lekić, Ajay
core   +1 more source

Type Tests for Hybrid HVDC Breakers: a Technical Feasible Solution

open access: yes, 2023
In the coming years, the use of the HVDC circuit breakers will become a necessity in the “grids of the future” (basically multi-terminal HVDC grids). An obliged step is to test such equipment before to install it on the grids.
Roy Maarten Nijman   +4 more
core  

Space charge determination in HVDC power cable and its influence on electric field

open access: yes, 2010
Considerable amount of transmission and distribution of electricity is carried out by power cable. At present, most high voltage direct current (HVDC) installation uses traditional (oil-impregnated paper insulation and oil-filled-types) cables which pose
Choo, Chin Tze
core   +1 more source

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