Results 11 to 20 of about 1,496 (223)

Improved assembly DC circuit breaker based on resonant current injection. [PDF]

open access: yesPLoS ONE
DC circuit breakers (DCCBs) with high breaking capacity and low cost are necessary for quick fault clearance in DC networks. The assembly DC circuit breakers (ADCCBs) have a main breaking section (MBS) and a sub-breaking sections (SBS) for each line ...
Puyi Cui   +5 more
doaj   +2 more sources

DC Chopper Based Test Circuit for High Voltage DC Circuit Breakers

open access: yes13th IET International Conference on AC and DC Power Transmission (ACDC 2017), 2017
High voltage DC circuit breakers (DC CB) are essential components for the future DC transmission grid. One of the challenges after manufacturing the DC CB is testing it and confirming the working of the DC CB under different conditions.
Jovcic, D., Hedayati, M.H.
openaire   +2 more sources

A Dual-Bridge Hybrid DC Circuit Breaker [PDF]

open access: yesIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021
Various DC circuit breakers (DCCBs) have been widely proposed for the DC fault protection of high-voltage direct-current (HVDC) grids. In recent years, hybrid DCCBs (HCBs) have been paid significant attentions due to their features of low power losses and fast dynamic response.
Hanwen Zhang 0005   +4 more
openaire   +2 more sources

A Review on Hybrid Circuit Breakers for DC Applications

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2023
Direct current (dc) power system protection presents a major challenge due to its unique characteristics, namely the absence of natural zero current crossing points.
Ana Rafaela Figueiredo Bento   +2 more
doaj   +1 more source

A Review on Thomson Coil Actuators in Fast Mechanical Switching

open access: yesActuators, 2022
With the rapid development of DC power systems and the increasing demand for DC circuit breakers, electromagnetic repulsive drives-based Thomson coil actuators (TCA) are widely investigated to provide the high-speed actuating required for ultra-fast ...
Mohmmad Al-Dweikat   +5 more
doaj   +1 more source

Overvoltage and insulation coordination of flexible DC distribution network with DC circuit breaker

open access: yes电力工程技术, 2023
With the continuous application and popularization of distributed energy, DC power distribution will become the mainstream form of future power distribution system.
LIU Shuhan   +5 more
doaj   +1 more source

Simulation study on arc motion process of DC miniature circuit breakers

open access: yesAIP Advances, 2023
Based on the theory of magnetohydrodynamics, a mathematical model of air arc in the arc extinguishing chamber of a DC miniature circuit breaker was established. By coupling external circuit characteristics and contact movement process, the motion process
Dezhi Xiong   +3 more
doaj   +1 more source

An Overview and Minimum Fault Ramp Rate Analysis of Impedance Based Circuit Breaker Topologies

open access: yesIEEE Access, 2023
In the advent of recent developments in a higher efficiency Direct Current (DC) system, the DC microgrid proves to be a permissible future to match the load demand with distributed power generation.
J. Mohamed Abdullah, V. Sumathi
doaj   +1 more source

Research on the action characteristics and breaking control of 100 kA series double break DC vacuum circuit breaker for CRAFT quench protection system

open access: yesAIP Advances, 2023
The DC vacuum circuit breaker plays an important role in the quench protection system of the Comprehensive Research Facility for Fusion Technology (CRAFT) project.
Xingguang Hu   +5 more
doaj   +1 more source

Simulation Model to Analyze the Consequences of DC Faults in MMC-Based HVDC Stations

open access: yesElectricity, 2021
The global development of high-voltage direct-current (HVDC) systems in fields such as renewable energy sources, interconnection of asynchronous grids or power transmission over great distances, is unquestionably important.
Davin Guedon   +3 more
doaj   +1 more source

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