Results 31 to 40 of about 169 (151)

A Novel Protection Scheme of AC and DC Line-Touching Based on Coordination of AC and DC Protection

open access: yesZhongguo dianli, 2022
The AC/DC hybrid grid is developing rapidly, and the AC-DC line-touching fault has become an unique fault type. By taking different types of AC and DC line touching faults as the research object, and focusing on the whole process from fault isolation to ...
Wei TANG   +5 more
doaj   +1 more source

An Adaptive Reclosing Scheme for Cross-Line Faults on Double-Circuit Wind Power Outgoing Lines with Shunt Reactors

open access: yesEnergies
Wind turbines are vulnerable to negative sequence current injection, the conventional automatic reclosing scheme for wind power outgoing lines, since we may inject negative sequence components into the system and reclose it without distinguishing the ...
Sen Hu, Chao Xie, Chunya Yin
doaj   +1 more source

Experimental and design‐oriented research on fiber reinforced concrete segmental tunnel linings: A systematic review

open access: yesStructural Concrete, EarlyView.
Abstract The use of fiber reinforced concrete (FRC) in precast tunnel segments is among the most established and representative applications of this material. Over the past two decades, numerous tunnel linings were constructed with partial or total substitution of conventional steel reinforcement by fibers, this yielding to quantifiable benefits in ...
Vladimir Rusanov   +4 more
wiley   +1 more source

Adaptive Autoreclosing Scheme for Line-to-Line Nongrounded Faults on Double-Circuit Transmission Lines Based on Phase-to-Phase Reactive Power

open access: yesIEEE Access, 2020
Double-circuit transmission lines play a very important role in electric power transmission. When a line-to-line nongrounded fault occurs on double-circuit transmission lines, for traditional tripping and reclosing methods, tripping of all six phases may
Weiji Zhou   +5 more
doaj   +1 more source

Semi‐Automated μCT‐Based Modeling of Vertebral Bony Endplate Microporosity and Mechanical Properties: Linking Microstructure to Inferred Mechanical Performance

open access: yesJOR SPINE, Volume 9, Issue 3, September 2026.
ABSTRACT Background The vertebral bony endplate (BEP) plays a role in regulating both mechanical load transfer and nutrient transport to the intervertebral disc, functions strongly influenced by its microstructural porosity. Variations in porosity impact bone strength, elasticity, and solute diffusion, affecting its overall mechanical competence ...
Ahmad Alminnawi   +5 more
wiley   +1 more source

A Novel Digital Twin Platform for Accelerating Power Systems Restoration

open access: yesEnergy Internet, Volume 3, Issue 2, Page 111-141, July 2026.
Hardware Architecture Design of DT System in Laboratory. ABSTRACT With the global energy structure transforming towards the goal of net zero emissions, the penetration of an inverter‐based resource (IBR) in power systems is increasing. This transformation poses two critical challenges: the system post blackout restoration process becomes extremely ...
Yiliang Fan   +8 more
wiley   +1 more source

Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release

open access: yesAdvanced Engineering Materials, Volume 28, Issue 11, 3 June 2026.
Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and material response, these adaptive fasteners outperform commercial systems in strength and noise control, enabling new solutions for robotics, medical ...
Maria I. Vallejo Ciro   +3 more
wiley   +1 more source

An adaptive reclosing strategy for UHV AC transmission lines based on phase difference of single-end induced voltage

open access: yesInternational Journal of Electrical Power & Energy Systems
In ultra-high voltage (UHV) AC transmission systems, single-phase to ground faults account for more than 80 % of all faults. If reclosing is performed blindly under permanent fault conditions after a single-phase to ground fault, the system may suffer ...
Yikai Wang   +8 more
doaj   +1 more source

Active arc suppression based MMC-HVDC DC fault adaptive reclosing

open access: yesInternational Journal of Electrical Power and Energy Systems
Ke Jia, Zainan Li, Tianshu Bi
exaly   +2 more sources

Understanding bidirectional and transactional relations in parent and offspring mental health: Using COVID‐19 pandemic data to gain insights

open access: yesJCPP Advances, Volume 6, Issue 2, June 2026.
This study found that parent internalising symptoms predicted internalising symptoms in younger children, with no evidence of child‐driven effects. Among adolescents, mental health symptoms showed bidirectional associations with parent internalising symptoms, particularly for externalising symptoms.
Martha Oakes   +4 more
wiley   +1 more source

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