Results 61 to 70 of about 7,162 (301)

Microgrid Islanding Detection Using D-PMU and Phase Angle Analysis of Negative Sequence Impedance

IEEE Access
Unintentional islanding detection is a major challenge during the operation of a microgrid. When islanding occurs, distributed energy resources (DERs) need to be disconnected quickly, under 2 seconds, which makes fast islanding detection crucial.
Asim Chaulagain, Ramakrishna Gokaraju, Nurul Chowdhury, Krish Narendra   +3 more
doaj   +1 more source

Islanding Detection Using a Micro-Synchrophasor for Distribution Systems with Distributed Generation

Energies, 2020
Distributed Generation (DG) has changed the power generation system to small-scale instead of large-scale generation. The demanding issue with the interconnection of DG is the detection of unintended islanding in a network.
Karthikeyan Subramanian, Ashok Kumar Loganathan   +1 more
doaj   +1 more source

Linking neurogenesis, oligodendrogenesis, and myelination defects to neurodevelopmental disruption in primary mitochondrial disorders

FEBS Letters, EarlyView.
Mitochondrial remodeling shapes neural and glial lineage progression by matching metabolic supply with demand. Elevated OXPHOS supports differentiation and myelin formation, while myelin compaction lowers mitochondrial dependence, revealing mitochondria as key drivers of developmental energy adaptation.
Sahitya Ranjan Biswas, Porter L. Tomsick, Alicia M. Pickrell, Paul D. Morton   +3 more
wiley   +1 more source

An Anti-Islanding Protection Method Based on Voltage-Synchronous Impedance Angle Measurements

Energies, 2023
Grid-tied distributed generators (DGs) need to be equipped with anti-islanding protection to avoid the impact of unplanned islanding, which would affect system stability, auto-reclosing, and personal safety.
Fan Yang, Yang Lei, Hechong Chen, Zhichun Yang, Huabo Xu, Heng Chen, Yu Chen   +6 more
doaj   +1 more source

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

Molecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson, Lyanne Delgado‐Coka, Natalia Marchenko, Luisa F. Escobar‐Hoyos, Kenneth R. Shroyer, Alisa Yurovsky, Trey Ideker, Gábor Balázsi, Thomas MacCarthy, Scott Powers   +9 more
wiley   +1 more source

Comparison between unipolar and bipolar single phase grid-connected inverters for PV applications [PDF]

, 2007
An inverter is essential for the interfacing of photovoltaic panels with the AC network. There are many possible inverter topologies and inverter switching schemes and each one will have its own relative advantages and disadvantages.
Ahfock, Tony, Bowtell, Les
core   +5 more sources

Islanding Detection with Reduced Non-Detection Zones and Restoration by Reconfiguration

Energies, 2023
The development and use of PV (Photovoltaic), Wind, and Hydro-based Distributed Generation (DG) is presently on the rise worldwide for improving stability and reliability, and reducing the power loss in the distribution system with reduced emission of ...
Sowmya Ramachandradurai, Narayanan Krishnan, Gulshan Sharma, Pitshou N. Bokoro   +3 more
doaj   +1 more source

Coordinated operation of parallel-connected inverters for active islanding detection using high frequency signal injection [PDF]

, 2013
The high frequency impedance measured at the terminals of inverters connected in a microgrid by means of the injection of a small magnitude, high frequency voltage, has been shown to be a reliable metric to detect islanding.
Blanco Charro, Cristian, Briz del Blanco, Fernando, Díaz Reigosa, David, Guerrero Muñoz, Juan Manuel   +3 more
core   +1 more source

Semiautomatic Detection of DNA Methylation at CpG Islands

BioTechniques, 2005
or the unmethylated sequences using the SNaPshot™ kit (Applied Biosystems, Foster City, CA, USA). This kit uses the single base extension (SBE) principle to detect variations of single nucleotide polymorphisms. The extended products were then analyzed on an ABI Prism ® 3100 Genetic Analyzer (Applied Biosystems), and the status of DNA methylation was ...
Kyeong-Man Hong, Sei-Hoon Yang, Mingzhou Guo, James G. Herman, Jin Jen   +4 more
openaire   +3 more sources

COMP–PMEPA1 axis promotes epithelial‐to‐mesenchymal transition in breast cancer cells

Molecular Oncology, EarlyView.
This study reveals that cartilage oligomeric matrix protein (COMP) promotes epithelial‐to‐mesenchymal transition (EMT) in breast cancer. We identify PMEPA1 (protein TMEPAI) as a novel COMP‐binding partner that mediates EMT via binding to the TSP domains of COMP, establishing the COMP–PMEPA1 axis as a key EMT driver in breast cancer.
Konstantinos S. Papadakos, Gilar Gorji‐bahri, Lejla Gradjan, Julia Zajac, Kacper Gil, Yvonne Thokozile Nduku, Anna M. Blom   +6 more
wiley   +1 more source