Results 41 to 50 of about 4,601 (250)

R-SFCL and RRCOCS-TVC Based Cooperative Control for Enhancing LVRT Capability of DFIG System

open access: yesTRENDS IN THE SCIENCES, 2022
For the extraction of wind energy through a doubly-fed induction generator (DFIG), low voltage ride through (LVRT) is an essential technical requirement specified by the transmission system operator (TSO). Under a grid fault condition, DFIG should remain
Md Sabbir Haider Khan   +1 more
semanticscholar   +1 more source

Development of a Voltage Compensation Type Active SFCL and Its Application for Transient Performance Enhancement of a PMSG-Based Wind Turbine System

open access: yesAdvances in Condensed Matter Physics, 2017
Considering the rapid development of high temperature superconducting (HTS) materials, superconducting power applications have attracted more and more attention in the power industry, particularly for electrical systems including renewable energy.
Lei Chen   +3 more
doaj   +1 more source

Experimental Tests of DC SFCL Under Low Impedance and High Impedance Fault Conditions

open access: yesIEEE transactions on applied superconductivity, 2021
DC system protection is more challenging than that for AC system due to the rapid rate of rise of the fault current and absence of natural current zero-crossing in DC systems.
J. Xi   +5 more
semanticscholar   +1 more source

Parameter Matching and Optimization of a Hybrid Type DC SFCL Considering the Transient Characteristics of VSC-Based DC Systems

open access: yesEnergies, 2019
Voltage source converter-based (VSC-based) DC systems play an important role in connecting large-scale renewable energy and distributed energy, but they are vulnerable to DC short-circuit fault and lacks mature protection devices and appropriate ...
Siyuan Liang   +6 more
doaj   +1 more source

Novel Design of a Hybrid Superconducting Fault Current Limiter with Controlled Solid-State Device

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2021
Fault current limiters are essential devices used to protect the power system and its equipment against high levels of fault current, which are growing up due to the increase of new power sources.
Henrique K. Miyamoto   +5 more
doaj   +1 more source

Das Infrarotspektrum von matrixisoliertem SFCl / Infrared Spectrum of Matrix Isolated SFCl

open access: yesZeitschrift für Naturforschung B, 1984
The new compound SFCl was obtained by UV photolysis of FC(O)SCl in rare gas matrix and by UV photolysis of Cl2/SF3SF in the gas phase. Isotopic substitution verifies the molecular identity. Eight frequencies from three isotropic molecules determine the force constants fSF = 4.30 and fscl = 2.90 102N/m.
openaire   +1 more source

Study of Magnetic Shielding of Ferromagnetic Cores, With Solenoidal HTS Tape Screens, for SFCL Applications

open access: yesIEEE Access
Superconducting Fault Current Limiters (SFCL) are reliable and low environmental impact protection devices, easily adaptable within the distribution networks of distributed generation systems.
Alfredo Alvarez   +3 more
doaj   +1 more source

Application of resistive super conductor fault current limiter for protection of grid-connected DGs

open access: yesAlexandria Engineering Journal, 2018
Penetration of Distributed Generation (DG) into the power system causes technical problems and bad effects on the safety of the system due to increasing the short circuit levels in transmission and distribution networks. So, there will be miscoordination
A.Y. Hatata, A.S. Ebeid, M.M. El-Saadawi
doaj   +1 more source

Turboelectric distributed propulsion protection system design trades [PDF]

open access: yes, 2014
The NASA N3-X blended-wing body with turboelectric distributed propulsion concept is being studied to achieve N+3 goals such as reduced noise, emissions, and improved energy efficiency. The electrical distribution system is cryogenic in order to maximize
Armstrong, M.   +5 more
core   +1 more source

Superconducting Surge Current Limiter

open access: yesEnergies, 2021
A superconducting fault current limiter (SFCL) for medium voltage networks cooled by a cryocooler was designed, built and tested by the current author. For the construction of this limiter, a high-temperature second generation superconducting tape (HTS ...
Sławomir Kozak
doaj   +1 more source

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