Results 71 to 80 of about 33,116 (291)

Heat-pump performance: voltage dip/sag, under-voltage and over-voltage

open access: yesThe Journal of Engineering, 2014
Reverse cycle air-source heat-pumps are an increasingly significant load in New Zealand and in many other countries. This has raised concern over the impact wide-spread use of heat-pumps may have on the grid. The characteristics of the loads connected to
William J.B. Heffernan   +2 more
doaj   +1 more source

Time dependence of controls to avoid voltage collapse [PDF]

open access: yes, 2002
(© 2000 IEEE) Vargas, L. S., & Canizares, C. A. (2000). Time dependence of controls to avoid voltage collapse. IEEE Transactions on Power Systems, 15(4), 1367–1375.
Canizares, Claudio A., Vargas, Luis S.
core   +1 more source

Treatment with KCL‐286, a first‐in‐class retinoic acid receptor‐β (RARβ) agonist, ameliorates neuronal DNA damage and inflammation in a mouse model of Alzheimer's disease

open access: yesFEBS Open Bio, EarlyView.
Repair of neuronal DNA damage in Alzheimer's disease by KCL‐286. (A) Amyloid‐β oligomers and plaques impair neuronal DNA repair pathways, leading to DNA double‐strand breaks and glial activation. (B) KCL‐286 activates RARβ/RXR signalling via retinoic acid response elements (RAREs), associated with increased BRCA1 expression, enhanced DNA repair and ...
Natasha Hill   +6 more
wiley   +1 more source

GECM-Based Voltage Stability Assessment Using Wide-Area Synchrophasors

open access: yesEnergies, 2017
Voltage instability is a crucial issue in the secure operation of power grids. Several methods for voltage stability assessment were presented. Some of them are highly computationally intensive, while others are reported not to work properly under all ...
Heng-Yi Su, Tzu-Yi Liu
doaj   +1 more source

Análise modal aplicada à estabilidade de tensão com a inclusão de modelos dinâmicos de cargas [PDF]

open access: yes, 1995
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Florianópolis, 1995.Este trabalho aborda a estabilidade de tensão através da metodologia dinâmica, baseada na análise modal da matriz de estados do sistema.
Lerm, Andre Arthur Perleberg
core  

MagmaFlow: A desktop platform for artificial intelligence‐driven expression analysis

open access: yesFEBS Open Bio, EarlyView.
MagmaFlow is a free, no‐code platform for gene expression analysis. It generates interactive volcano plots, links genes to literature, pathways, and diseases, prioritizes candidates using millions of publications, identifies affected biological processes, builds network diagrams, and exports publication‐ready figures and reports for macOS and Windows ...
Carlos E. Buss   +7 more
wiley   +1 more source

Stability Margin Index of the Receiving-End Power System Based on the Whole Process Simulation

open access: yesIEEE Access
With the rapid development of the Chinese power grid, its dynamic behavior becomes increasingly complex. How to prevent voltage instability and voltage collapse at the receiving-end system has become an urgent problem at present.
Li Huang
doaj   +1 more source

A Recap of Voltage Stability Indices in the Past Three Decades

open access: yesEnergies, 2019
Increasing demand for electricity and the modernization of power systems within competitive markets has induced power systems to operate close to their stability limits.
Mir Sayed Shah Danish   +5 more
doaj   +1 more source

Adaptive Algorithm of a Tap-Changer Controller of the Power Transformer Supplying the Radial Network Reducing the Risk of Voltage Collapse

open access: yesEnergies, 2020
The development of renewable energy, including wind farms, photovoltaic farms as well as prosumer installations, and the development of electromobility pose new challenges for network operators.
Robert Małkowski   +2 more
doaj   +1 more source

A study on voltage collapse mechanism in electric power system [PDF]

open access: yes, 1991
-The heart of the voltage stability problem is the voltage drop that occurs when the power system experiences a heavy load, and one serious type of voltage instability is voltage collapse.
Senior Member Kwang Y Lee, Byung Ha Lee
core  

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