Results 21 to 30 of about 19,749 (312)

DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]

open access: yes, 2015
Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A.   +2 more
core   +2 more sources

Paralleled SiC MOSFETs Circuit Breaker With a SiC MPS Diode for Avalanche Voltage Clamping

open access: yesIEEE Open Journal of Power Electronics
This paper proposes a solid-state circuit breaker comprising silicon carbide (SiC) MOSFETs and a SiC diode, based on the principle of avalanche voltage clamping.
Taro Takamori   +3 more
doaj   +1 more source

Analysis of the influence of RC buffer on DC solid-state circuit breaker

open access: yesEnergy Reports, 2020
The DC solid state circuit breaker (SSCB) is the key equipment to construct the DC distribution network. In this paper, an improved topological scheme of RC buffer and metal oxide arrester (MOA) in parallel is proposed, which can not only improve the ...
Can Ding   +4 more
doaj   +1 more source

Smart Grid Performance Improvement with AC Solid-State Circuit Breaker having Charging and Rebreaking Capabilities

open access: yesPakistan Journal of Engineering & Technology, 2022
Although traditional electromechanical circuit breakers have a proven track record as efficient and reliable circuit safety devices. Emerging power distribution technologies and architectures such as DC microgrids require advanced breaking performance ...
Muhammad Zulqair Nain, Tahir Mahmood
doaj   +1 more source

Optimizing the roles of unit and non-unit protection methods within DC microgrids [PDF]

open access: yes, 2012
The characteristic behavior of physically compact, multiterminal dc networks under electrical fault conditions can produce demanding protection requirements.
Burt, Graeme   +4 more
core   +1 more source

Design and Analysis of a Controllable Reactor Solid-State Circuit Breaker for Enhanced Fault Current Interruption in AC/DC Microgrids

open access: yesEnergies
The occurrence of short-circuit faults in AC/DC microgrids gives rise to exceptionally high currents with rapid escalation, particularly in DC feeders where current zero-crossing is absent.
Ali Bakhshi, Ali Moghim, Mojgan Hojabri
doaj   +1 more source

Research on fast solid state DC breaker based on a natural current zero-crossing point

open access: yesJournal of Modern Power Systems and Clean Energy, 2014
The DC fault characteristics of voltage source converter based high voltage direct current (VSC-HVDC) systems are analyzed in this paper. The phenomenon whereby the capacitor on DC side discharges quickly during a DC fault contributes to a large short ...
Wang Xiang   +4 more
doaj   +1 more source

Resonant Network-Based MVDC Circuit Breaker Topologies With Fast Current Breaking Capability

open access: yesIEEE Access, 2023
This paper presents two improved circuit breaker (CB) topologies based on resonant networks for medium voltage DC (MVDC) applications, such as shipboard power distribution and subsea oil and gas production.
Hussain Sayed, Harish S. Krishnamoorthy
doaj   +1 more source

Analytical design considerations for MVDC solid-state circuit breakers [PDF]

open access: yes2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), 2019
This paper investigates the design principles of a solid-state circuit breaker (SS CB) for medium voltage direct current (MVDC) grids. The emphasis is given on the design of the required active and passive components that employed in a SS DCCB based on analytic methodology. Several cases related to the characteristics of the current technology of power
Berg, Sondre Johan Kjellin   +1 more
openaire   +3 more sources

Emulating long-term synaptic dynamics with memristive devices [PDF]

open access: yes, 2016
The potential of memristive devices is often seeing in implementing neuromorphic architectures for achieving brain-like computation. However, the designing procedures do not allow for extended manipulation of the material, unlike CMOS technology, the ...
Berdan, Radu   +5 more
core   +2 more sources

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