Results 31 to 40 of about 20,391 (336)

Research on topological structure and simulation of hybrid DC circuit breaker

open access: yesThe Journal of Engineering, 2019
At present, the hybrid DC circuit breaker (ABB company's Hybrid DC circuit breaker as the representative scheme) must be equipped with the radiator because of a long-time current passing through the power electronic devices in the load-control-switch ...
Chu Zhuang   +3 more
doaj   +1 more source

System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]

open access: yes, 2019
Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden   +11 more
core   +1 more source

Experimental Test bed to De-Risk the Navy Advanced Development Model [PDF]

open access: yes, 2017
This paper presents a reduced scale demonstration test-bed at the University of Texas’ Center for Electromechanics (UT-CEM) which is well equipped to support the development and assessment of the anticipated Navy Advanced Development Model (ADM).
Feng, X   +6 more
core   +1 more source

Controllable reactor based hybrid HVDC breaker

open access: yesHigh Voltage, 2020
Short circuit fault occurrence in high-voltage DC (HVDC) systems causes extremely high currents in a fast raising time that does not experience current zero-crossing.
Amir Heidary   +4 more
doaj   +1 more source

Circuit Breakers in Low- and Medium-Voltage DC Microgrids for Protection against Short-Circuit Electrical Faults: Evolution and Future Challenges

open access: yesApplied Sciences, 2021
This paper deals with circuit breakers (CBs) used in direct current microgrids (DCMGs) for protection against electrical faults, focusing on their evolution and future challenges in low voltage (
Bayron Perea-Mena   +4 more
doaj   +1 more source

Determination of protection system requirements for DC UAV electrical power networks for enhanced capability and survivability [PDF]

open access: yes, 2011
A growing number of designs of future Unmanned Aerial Vehicle (UAV) applications utilise dc for the primary power distribution method. Such systems typically employ large numbers of power electronic converters as interfaces for novel loads and generators.
Burt, Graeme   +3 more
core   +1 more source

Fault mode operation strategies for dual H-bridge current flow controller in meshed HVDC grid [PDF]

open access: yes, 2018
Peer ...
Carvalho, Adriano   +5 more
core   +2 more sources

Modular multilevel converter with modified half-bridge submodule and arm filter for dc transmission systems with DC fault blocking capability [PDF]

open access: yes, 2018
Although a modular multilevel converter (MMC) is universally accepted as a suitable converter topology for the high voltage dc transmission systems, its dc fault ride performance requires substantial improvement in order to be used in critical ...
Abdelsalam, Ibrahim A.   +3 more
core   +2 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

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

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