Results 51 to 60 of about 1,990,014 (344)

Monitoring voltage collapse margin by measuring the area voltage across several transmission lines with synchrophasors

open access: yes, 2014
We consider the fast monitoring of voltage collapse margin using synchrophasor measurements at both ends of transmission lines that transfer power from two generators to two loads.
Dobson, Ian, Ramirez, Lina
core   +1 more source

Investigation on a 220 GHz Quasi-Optical Antenna for Wireless Power Transmission [PDF]

open access: gold, 2021
Meng Han   +4 more
openalex   +1 more source

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

open access: yesAdvanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio   +11 more
wiley   +1 more source

Analysis of harmonics in subsea power transmission cables used in VSC-HVDC transmission systems operating under steady-state conditions [PDF]

open access: yes, 2007
Subsea power cables are a critical component of a voltage-source converter-high-voltage direct current (VSC-HVDC) transmission system in any offshore electrical power scheme.
Bucknall, R.W.G., Chien, C.H.
core  

Online Learning of Power Transmission Dynamics

open access: yes, 2017
We consider the problem of reconstructing the dynamic state matrix of transmission power grids from time-stamped PMU measurements in the regime of ambient fluctuations. Using a maximum likelihood based approach, we construct a family of convex estimators
Chertkov, Michael   +4 more
core   +1 more source

First-principles study of Pd-MoSe2 as sensing material for characteristic SF6 decomposition components

open access: yesAIP Advances, 2019
SF6 decomposition component detection is an effective way to diagnose the severity and type of electric discharge. In this study, MoSe2 based material has been chosen as the gas sensing material for the detection of SOF2 and SO2F2, the two characteristic
Hai Qian   +4 more
doaj   +1 more source

Understanding the Effect of Resistance Temperature Detector Temperature Controllers on Microstructural Alignment in Magnetic Freeze Casting

open access: yesAdvanced Engineering Materials, EarlyView.
The effect of temperature controllers that are commonly used in freeze‐casting is investigated in this work. Temperature controllers are observed to generate a voltage in the slurry. Microstructural alignment and ultimate compressive strength data show this voltage to interfere with the ability to align the microstructure using magnetic fields ...
Maddie A. Schmitz, Steven E. Naleway
wiley   +1 more source

Transmission losses cost allocation in restructed electricity market environment [PDF]

open access: yes, 2014
During these recent decades, the restructuring system of electricity market has been taken places around the whole world. Due to the restructuring (deregulation), the electrical power system has been divided into three separates categories ...
Jaini, Nur ‘Afiqah
core  

Spectral and Energy Efficiency in Cognitive Radio Systems with Unslotted Primary Users and Sensing Uncertainty

open access: yes, 2017
This paper studies energy efficiency (EE) and average throughput maximization for cognitive radio systems in the presence of unslotted primary users. It is assumed that primary user activity follows an ON-OFF alternating renewal process.
Gursoy, M. Cenk   +2 more
core   +1 more source

Advancing Copper Wire Technology: Graphene/Cu Composites for Superior Conductivity and Strength

open access: yesApplied Sciences
Copper-based composites with enhanced strength and conductivity are critically important for improving efficiency and reducing energy consumption in the energy and power industries.
Wenjie Liu   +4 more
doaj   +1 more source

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