Results 41 to 50 of about 53,814 (292)

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

Envelope-based Modeling for Single-Phase Grid-Following and Forming Converters

open access: yes2022 IEEE 23rd Workshop on Control and Modeling for Power Electronics (COMPEL), 2022
The study of the interaction with the grid, including synchronization, controller design and stability assessment for 1f grid-following (GFL) and grid-forming (GFM) power converters requires an efficient modeling tool to design universal grid-connected converters considering the different grid scenarios.
Azcondo, Francisco J.   +3 more
openaire   +2 more sources

A Comparative Study of Grid-Following and Grid-Forming Control Schemes in Power Electronic-Based Power Systems

open access: yesPower Electronics and Drives, 2023
Along with de-carbonisation, the penetration of power electronic converters has increased, and the power system has become a power electronic-based power system. In such a situation, the stability of the power system faces great challenges.
Gao Xian   +3 more
doaj   +1 more source

Exploiting metabolic adaptations to overcome dabrafenib treatment resistance in melanoma cells

open access: yesMolecular Oncology, EarlyView.
We show that dabrafenib‐resistant melanoma cells undergo mitochondrial remodeling, leading to elevated respiration and ROS production balanced by stronger antioxidant defenses. This altered redox state promotes survival despite mitochondrial damage but renders resistant cells highly vulnerable to ROS‐inducing compounds such as PEITC, highlighting redox
Silvia Eller   +17 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

Analysis of an On-Line Stability Monitoring Approach for DC Microgrid Power Converters [PDF]

open access: yes, 2019
An online approach to evaluate and monitor the stability margins of dc microgrid power converters is presented in this paper. The discussed online stability monitoring technique is based on the Middlebrook's loop-gain measurement technique, adapted to ...
Caldognetto, Tommaso   +4 more
core   +1 more source

Subtype‐specific enhancer RNAs define transcriptional regulators and prognosis in breast cancers

open access: yesMolecular Oncology, EarlyView.
This study employed machine learning methodologies to perform the subtype‐specific classification of RNA‐seq data sets, which are mapped on enhancers from TCGA‐derived breast cancer patients. Their integration with gene expression (referred to as ProxCReAM eRNAs) and chromatin accessibility profiles has the potential to identify lineage‐specific and ...
Aamena Y. Patel   +6 more
wiley   +1 more source

Simulation study on transient stability of AC systems considering the connected power-controlled grid-forming converters

open access: yesZhejiang dianli
To investigate the evolution trend of transient stability of power-controlled grid-forming (GFM) converters connected to AC systems, generators are replaced with power-controlled grid-forming (GFM) converters and grid-following (GFL) converters of equal ...
DAN Yangqing   +6 more
doaj   +1 more source

Global Tracking Passivity--based PI Control of Bilinear Systems and its Application to the Boost and Modular Multilevel Converters

open access: yes, 2015
This paper deals with the problem of trajectory tracking of a class of bilinear systems with time--varying measurable disturbance. A set of matrices {A,B_i} has been identified, via a linear matrix inequality, for which it is possible to ensure global ...
Bergna, G.   +5 more
core   +4 more sources

Adaptive Vectorial Filter for Grid Synchronization of Power Converters Under Unbalanced and/or Distorted Grid Conditions [PDF]

open access: yes, 2014
This paper presents a new synchronization scheme for detecting multiple positive-/negative-sequence frequency harmonics in three-phase systems for grid-connected power converters.
Carrasco Solís, Juan Manuel   +4 more
core   +1 more source

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