Results 11 to 20 of about 7,576,309 (147)

Operational control and protection implications of fault current limitation in distribution networks [PDF]

open access: yes, 2009
Rising short-circuit fault current levels is one of the problems associated with the increased presence of distributed generation (DG) in electrical networks.
Blair, S.M.   +3 more
core   +3 more sources

Topology and control strategy of a multifunctional modular DC fault current limiter

open access: yes电力工程技术, 2022
DC fault current limiter (FCL) is a key device for suppressing DC short-circuit fault currents,which is important in AC/DC hybrid grid. In this paper,topology of a multifunctional modular DC FCL is proposed,which consists of multiple series-connected ...
ZHANG Liang   +4 more
doaj   +1 more source

A coordinated relay protection strategy of distribution network based on fault current limiting

open access: yesEnergy Reports, 2022
In order to solve the problem of difficult coordination of traditional overcurrent relay protection caused by short supply radius and little difference of fault current along urban distribution network, a coordinated relay protection strategy based on ...
Qingpeng Zeng   +5 more
doaj   +1 more source

Current–time characteristics of resistive superconducting fault current limiters [PDF]

open access: yes, 2012
Superconducting fault current limiters (SFCLs) may play an important role in power-dense electrical systems. Therefore, it is important to understand the dynamic characteristics of SFCLs.
Burt, Graeme   +2 more
core   +4 more sources

Neuro Fuzzy Logic Controlled Parallel Resonance Type Fault Current Limiter to Improve the Fault Ride Through Capability of DFIG Based Wind Farm

open access: yesIEEE Access, 2020
Doubly fed induction generators (DFIGs) are vulnerable to grid related electrical faults. Standards require DFIGs to be disconnected from the grid unless augmented with a fault ride through (FRT) capability.
Md. Rashidul Islam   +5 more
doaj   +1 more source

A novel current-limiting method for MMC-HVDC by coordinating virtual impedance control and fault current limiter

open access: yesEnergy Reports, 2022
The modular multilevel converter (MMC) topology is very suitable for high voltage direct current (HVDC) system to achieve feasible power control, favorable black start capability as well as long-distance power transmission.
Lei Chen   +4 more
doaj   +1 more source

Simulation Test of a DC Fault Current Limiter for Fault Ride-Through Problem of Low-Voltage DC Distribution

open access: yesEnergies, 2020
The low voltage direct current (LVDC) distribution networks are connected with too many kinds of loads and sources, which makes them prone to failure.
Bing Han, Yonggang Li
doaj   +1 more source

Transient stability enhancement of steam turbine-based power plant by using improved bridge fault current limiter

open access: yesEngineering Science and Technology, an International Journal, 2023
This paper presents a new bridge Fault Current Limiter (FCL) used for the improvement of the transient stability of steam turbine-based power plants.
Dmitry Baimel
doaj   +1 more source

Investigation of the Operation of Active Superconducting Fault Current Limiters in Distribution Networks Connected to Microgrids [PDF]

open access: yesJournal of Applied Research in Electrical Engineering, 2023
Increasing the penetration level of distributed generation (DG) units in radial power distribution systems can increase the short-circuit level in these networks, which can, in turn, have destructive effects such as exceeding the tolerable current of the
Ahmad Ghafari   +3 more
doaj   +1 more source

Analysis of energy dissipation in resistive superconducting fault-current limiters for optimal power system performance [PDF]

open access: yes, 2011
Fault levels in electrical distribution systems are rising due to the increasing presence of distributed generation, and this rising trend is expected to continue in the future.
Burt, Graeme   +4 more
core   +4 more sources

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