Results 111 to 120 of about 68,357 (185)

Dynamic Interactions Between Inverter-Based Resources and Synchronous Generators: A Comparative Study for Cascading Failure Risk

open access: yesIEEE Access
The increasing integration of inverter-based resources (IBRs) alongside traditional synchronous generators (SGs) presents new challenges for maintaining stability and resilience in modern power systems.
M. Alizadeh, Wei Sun
doaj   +1 more source

Simulation of controller configurations for static synchronous series compensators & interline power flow controllers with EMTP-RV [PDF]

open access: yes, 2006
This thesis deals with Flexible AC Transmission Systems (FACTS) based on Voltage Source Converters (VSC). In particular, the emphasis is on series-connected VSC into transmission lines, known as Static Synchronous Series Compensator (SSSC) and Interline ...
Salem, Sasan
core  

RV-infected mice with COPD phenotype show enhanced goblet cells metaplasia.

open access: yes, 2018
Five micron thick paraffin sections were deparaffinized and stained with PAS to visualize goblet cells (arrows). (A and B) normal mice (C and D) mice with COPD phenotype maintained on control diet, (E and F) mice with COPD phenotype maintained quercetin ...
Yaxun Jing (5484890)   +5 more
core   +1 more source

A novel directional pilot protection method for EHV transmission lines based on S-transform and SVM

open access: yesDiscover Applied Sciences
To address the issues of insufficient reliability and low sensitivity of traveling-wave (TW)-based protection caused by fault condition attributes, i.e., fault resistance and fault angle, this paper proposes a novel directional pilot protection method ...
Zhenwei Guo   +3 more
doaj   +1 more source

Rv-mediated activation of the AMPK pathway reduces mosquito midgut microbiota and increases lifespan.

open access: yes, 2016
(A, B) Effect of polyphenols and antibiotics on male (A) and female (B) lifespan. Horizontal dotted lines indicate the mean lifespan. (C, D) Colony-forming units (CFU) from the midgut of mosquitoes obtained from two geographically isolated colonies (C ...
Carlucio Rocha-Santos (3216981)   +20 more
core   +1 more source

Travelling-wave based fault distance estimation for series compensated transmission lines using ATP-EMTP.

open access: yes, 2015
In this paper, a traveling wave is used for determining fault distance of series compensated transmission lines using frequencies of fault generated and voltage ...
Akmaz, Düzgün, Mamiş, Mehmet Salih
core  

EMTP-RV investigation of a Mho relay model for protection of 500 kV series compensated transmission lines [PDF]

open access: yes, 2009
Extra High Voltage (EHV) transmission lines are designed to transfer large amounts of electrical power from one place to another. The lines being left open to the environment (wind and bad weather) constitute a major reason for incidence of faults on the
Shah, Abhaykumar Babulal
core  

Mise en oeuvre d'un modèle générique du convertisseur matriciel dans les environnements EMTP-RV et Matlab-Simulink [PDF]

open access: yes, 2011
RÉSUMÉ: Le convertisseur matriciel est un dispositif de conversion directe de fréquence (CDF), dont la commande est réalisée par un échantillonnage à fréquence élevée de la source d'alimentation.
Aït Oubelli, Lyes
core  

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