Results 31 to 40 of about 512,004 (238)

Design and modelling techniques of permanent magnet fault current limiter [PDF]

open access: yes, 2017
The design approach of the permanent magnet fault current limiter (PMFCL) was investigated. The result of recent published model was assessed using 3D FEM solvers and the discrepancy in the results was evaluated.
Asmaiel Ramadan   +4 more
core   +1 more source

Critical Current Degradation in HTS Tapes for Superconducting Fault Current Limiter under Repeated Overcurrent

open access: yesApplied Sciences, 2023
Superconducting fault current limiters (SFCL) can be an alternative to conventional devices limiting short-circuit currents in power systems. SFCL use high-temperature superconducting tapes of the second generation (HTS 2G) in SFCL, which, after reaching
Sylwia Hajdasz   +5 more
doaj   +1 more source

Studies on the active SISFCL and its impact on the distance protection of the EHV transmission line [PDF]

open access: yes, 2016
The active saturated iron-core superconductive fault current limiter (SISFCL) is a good choice to decrease fault current. This paper introduced the principles and impedance characteristic of the active SISFCL.
Coombs, Tim   +5 more
core   +2 more sources

An Adaptive Overcurrent Coordination Scheme to Improve Relay Sensitivity and Overcome Drawbacks due to Distributed Generation in Smart Grids [PDF]

open access: yes, 2017
Distributed Generation (DG) brought new challenges for protection engineers since standard relay settings of traditional system may no longer function properly under increasing presence of DG.
Conde, Arturo   +3 more
core   +1 more source

Superconducting Fault Current Limiters for HVDC Systems

open access: yesEnergy Procedia, 2015
AbstractHigh-voltage direct current (HVDC) transmission systems using Voltage-Source Converters (VSC) are widely recognized as offering significant potential for long distance high power delivery, particularly for offshore wind farm connections. One of the barriers for the development of multi-terminal HVDC systems is the lack of technologies which ...
Pei, Xiaoze   +2 more
openaire   +3 more sources

Improvement of transient stability of DFIG based wind generator by using of resistive solid state fault current limiter

open access: yesAin Shams Engineering Journal, 2018
Currently, the application of variable wind speed machines, especially doubly-fed induction generator (DFIG) becomes very effective in the fast growing wind generator (WG) market due to its advantageous property of partial converter ratings and ability ...
Md Emrad Hossain
doaj   +1 more source

System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]

open access: yes, 2019
Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden   +11 more
core   +1 more source

Development and test of a small resistive fault current limiting device based on Hg, Re-1223 and Sm-123 ceramics [PDF]

open access: yesMaterials Research, 2014
Several reports describing Superconducting Fault Current Limiter (SFCL) containing members of the bismuth or yttrium ceramics were already described. However, none of these included the mercury and samarium cuprates.
Carlos Augusto Cardoso Passos   +10 more
doaj   +1 more source

A solid state current limiter applied to coal mine power system

open access: yesGong-kuang zidonghua, 2013
In view of problems of high power consumption, voltage drop and big interference caused by downhole cable of surface substation using current-limiting reactance to limit short-circuit capacity, a solid state current limiter applied to coal mine power ...
WANG Yan-wen, LI Hai-hong
doaj   +1 more source

Enhancing the fault ride through capability of DFIG-based wind energy system using saturated core fault current limiter

open access: yesThe Journal of Engineering, 2019
Doubly fed induction generator (DFIG) is the most popular machine for the wind power application that consists of the ability for variable speed operation and reactive power control with the help of power electronics converters.
Prashant Mani Tripathi   +2 more
doaj   +1 more source

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