Results 41 to 50 of about 13,724 (297)

Adaptive current-limiting control for grid-forming converter during unbalanced faults

open access: yesInternational Journal of Electrical Power & Energy Systems
Grid-forming converters are increasingly deployed to connect renewable energy sources to the grid, but their control behavior during unbalanced grid faults can affect system stability and protection.
Xinquan Chen, Zhe Yang
doaj   +1 more source

Damping Low-Frequency Oscillations in Power Systems Using Grid-Forming Converters

open access: yesIEEE Access, 2021
The increasing incorporation of renewable energy in power systems is causing growing concern about system stability. Renewable energy sources are connected to the grid through power electronic converters, reducing system inertia as they displace ...
Jose Luis Rodriguez-Amenedo   +1 more
doaj   +1 more source

Adaptive control of grid-forming converters [PDF]

open access: yes
This thesis presents a novel adaptive control technique for grid-forming converters, aimed at improving the trade-off between power quality and grid frequency stability, while providing inertial behavior. A key challenge with grid-tied converters is their inability to naturally provide inertia to the grid, a critical factor in maintaining frequency ...
RIGATO, DIEGO
openaire   +2 more sources

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei   +3 more
wiley   +1 more source

Large‐scale bidirectional arrayed genetic screens identify OXR1 and EMC4 as modifiers of αSynuclein aggregation

open access: yesFEBS Open Bio, EarlyView.
Activation of the mitochondrial protein OXR1 increases pSyn129 αSynuclein aggregation by lowering ATP levels and altering mitochondrial membrane potential, particularly in response to MSA‐derived fibrils. In contrast, ablation of the ER protein EMC4 enhances autophagic flux and lysosomal clearance, broadly reducing α‐synuclein aggregates.
Sandesh Neupane   +11 more
wiley   +1 more source

Comparison Study of the Wideband Oscillation Risk of MMC between Grid-Following and Grid-Forming Control

open access: yesEnergies
Currently, research on the small-signal stability of grid-forming converters under two control modes, grid-following and grid-forming, mainly focuses on low-level converters.
Yanjun Cheng   +5 more
doaj   +1 more source

An Overview of Grid-Connection Requirements for Converters and Their Impact on Grid-Forming Control [PDF]

open access: yes, 2022
The increasing share of converters in the power system results in the need to revise grid-connection requirements and a shift in converter control strategies towards grid-forming control.
Beza, Mebtu Bihonegn   +3 more
core  

Molecular characterization of covRS mutations in M1UK Streptococcus pyogenes

open access: yesFEBS Open Bio, EarlyView.
Group A Streptococcus (GAS) acquires covRS mutations driving a hypervirulent bacterial state, frequently associated with invasive disease‐like necrotizing fasciitis. We demonstrate that the newly emerged M1UK GAS lineage can also acquire these mutations.
Jarrad Pritchard   +12 more
wiley   +1 more source

ALDOA Promotes Glycolysis and NLRP3/GSDMD Pyroptosis to Accelerate ALS Progression

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Amyotrophic lateral sclerosis (ALS) is characterized by progressive motor neuron degeneration. Glycolytic dysregulation is implicated in disease progression, yet the underlying mechanisms remain unclear. This study investigates how Aldolase A (ALDOA) drives ALS progression through glycolysis‐mediated motor neuron pyroptosis.
Kaixin Yan   +9 more
wiley   +1 more source

Small signal modeling and stability analysis of multi-VSCs for grid-forming converters under low impedance grid

open access: yes电力工程技术
The grid-forming converter has voltage source characteristics,providing damping and frequency support to high-impedance weak grids,and demonstrates good stability. However,instability may occur under low impedance grids.
Yongkang CHEN   +5 more
doaj   +1 more source

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