Results 11 to 20 of about 891 (185)

Simulation study of integrated‐gate‐commutated‐thyristor based superconducting hybrid direct current circuit breaker

High Voltage, 2023
With the development of a distributed generation, direct current (DC) load and energy‐storage equipment, voltage‐source‐converter‐based medium‐voltage DC systems (VSC‐MVDC) have attracted more attention due to its low power consumption, high reliability,
Muhammad Junaid, Wenqing Yu, Shuzhi Cao, Xiaolong Yu, Dongsheng Yu, Weilin Zong, Jianhua Wang   +6 more
doaj   +2 more sources

Converter non‐blocking DC fault ride‐through and system fast restoration arrangements in R‐L SFCL‐equipped MMC‐M2TDC system

IET Generation, Transmission & Distribution
Equipping a DC‐type superconducting fault current limiter (SFCL) in a modular multilevel converter‐based multi‐terminal DC (MMC‐M2TDC) system has the potential to reorganize the protection control arrangements during the DC‐side short‐circuit fault. This
Ji Yirun, Peiqian Guo, Liu Qin
doaj   +2 more sources

Simulation of a Low-Voltage Direct Current System Using T-SFCL to Enhance Low Voltage Ride through Capability

Energies, 2022
Owing to the increasing penetration level of distributed energy resources (DER) and direct current (DC) load, the usage of low-voltage direct current (LVDC) systems has expanded to achieve efficient operations.
Kwang-Hoon Yoon, Joong-Woo Shin, Jae-Chul Kim, Hyeong-Jin Lee, Jin-Seok Kim   +4 more
doaj   +1 more source

Analysis on Double Quench and Instantaneous Power of SFCL Using Two Magnetically Coupled Windings According to Winding Direction

Energies, 2020
In this study, the characteristics of the double quench and instantaneous power of a superconducting fault current limiter (SFCL) using two magnetically coupled windings were analyzed.
Seok-Cheol Ko, Tae-Hee Han, Sung-Hun Lim
doaj   +1 more source

Short Circuit and Recovery Time Tests in a helical bifilar R-SFCL module

Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2021
Superconducting Fault Current Limiter (SFCL) modules with distinct arrangements have been investigated, seeking design and performance enhancements. In this context, this work aims to propose a design for resistive SFCL (R-SFCL) modules, using RE-Ba-Cu-O
Luís M. M. Rocha, Alexander Polasek, Guilherme G. Sotelo, D. H. N. Dias, Bruno S. M. C. Borba, David P. Fernandes   +5 more
doaj   +1 more source

Impedance Compensation Method Considering Unbalanced Ground Fault with SFCL in a Power Distribution System

Energies, 2022
As the energy demand increases due to the developing electric power industry, the fault current becomes higher during the fault time. A new approach is needed to reduce a fault current in a power distribution system, since the fault currents influence ...
Yoo-Jung Cho, Sung-Hun Lim
doaj   +1 more source

Grid connected power system protection by superconducting fault current limiter (SFCL)

IOP Conference Series: Materials Science and Engineering, 2020
In present day, SFCLs are found increasing demand in power systems due to their advancements in recent years. SFCLs are implemented to limit the fault current during faults within the grid in power system. SFCL has manifested to be the most effective protection scheme in power system.
K Sanjay, K Sravan Kumar, Ram Deshmukh, T. Chandra Prakash   +3 more
openaire   +1 more source

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

Journal 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, André T. Queiroz, Daniel H. N. Dias, Bruno W. França, Felipe Sass, Guilherme G. Sotelo   +5 more
doaj   +1 more source

Analysis of the DC Fault Current Limiting Characteristics of a DC Superconducting Fault Current Limiter Using a Transformer

Energies, 2020
Recently, a lot of interesting research has been conducted to solve the fault current problem of the DC system. In long-distance transmission, DC transmission is more economical than AC transmission.
Kang-Cheol Cho, Min-Ki Park, Sung-Hun Lim   +2 more
doaj   +1 more source

Study on Malfunction of OCR Due to Penetration of DER into Power Distribution System with SFCL

Energies, 2023
Due to the demand for eco-friendly energy, distributed energy resources (DERs) using renewable energy have increased. The increase in DER has caused the power system to become more complex and caused problems in the protection system.
Min-Ki Park, Sung-Hun Lim
doaj   +1 more source