Results 71 to 80 of about 1,669,681 (295)

Optimal allocation of shunt Var compensators in power systems using a novel global harmony search algorithm

, 2012
In this paper, a novel global harmony search algorithm (NGHS) is used to determine the optimal location and size of shunt reactive power compensators such as shunt capacitors, static Var compensators (SVCs), and static synchronous compensators (STATCOMs)
Shareef, H.,, Sirjani, Reza,, Mohamed, A.,   +2 more
core   +1 more source

Factors Associated With the Rising Trend in Self‐Reported Cognitive Disability Among U.S. Adults Aged 18–39 From 2013–2024

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Building on our prior Behavioral Risk Factor Surveillance System analysis identifying adults aged 18–39 as the primary driver of the national increase in self‐reported cognitive disability, we examined factors associated with this rise using 2013–2024 U.S. BRFSS data. Methods We analyzed U.S.
Adam de Havenon, Ka‐Ho Wong, Mirriam Mananah, Christopher D. Anderson, Ada Fenick, Amy Arnsten, Arman Fesharaki‐Zadeh, James C. McPartland, Mary L. Adams, Kevin N. Sheth   +9 more
wiley   +1 more source

Voltage Stability Assessment Through Modal Analysis Using a Smooth Formulation of the Power Flow Problem Based on Sigmoid Functions

IEEE Access
This paper introduces a voltage stability analysis based on an innovative formulation of the power flow problem designed to address and eliminate discontinuities associated with reactive power limits from synchronous generators, synchronous compensators,
Joao Pedro Peters Barbosa, Joao Alberto Passos Filho, Rodrigo Andrade Ramos, Luis Fernando Costa Alberto   +3 more
doaj   +1 more source

Static Var Compensation for the SPS Electrical Network [PDF]

, 2000
The electrical installations of the SPS pulsed electrical network consist of power converters for dipoles and quadrupoles, RF cavities and the north experimental area.
Kahle, K
core  

Gravity‐Dependent Modulation of Downbeat Nystagmus: Insights From Velocity‐Storage Dysfunction

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Downbeat nystagmus varies with head position, a phenomenon termed gravity‐dependent modulation. We aimed to clarify its mechanism using a velocity‐storage model. Methods In 10 patients with downbeat nystagmus due to cerebellar disorders, we recorded eye movements at different pitch‐ and roll‐axis head positions.
Ji‐Hyung Park, Eun‐Hyuk Choi, Jorge Otero‐Millan, David S. Zee, Jeong‐Yoon Choi, Ji‐Soo Kim   +5 more
wiley   +1 more source

Using static VAR compensators (SVC) for increasing of distributed generation penetration level [PDF]

, 2016
Na odabranoj mreži odrađene su četiri simulacije, za slučaj početne mreže, mreže s dva distribuirana izvora, mreže s dva distribuirana izvora i kapacitivnim statičkim VAr kompenzatorom te induktivnim statičkim VAr kompenzatorom.
Kufner, Ivan
core  

Static reactive power compensators for high-voltage power systems. Final report

, 1981
A study conducted to summarize the role of static reactive power compensators for high voltage power system applications is described. This information should be useful to the utility system planning engineer in applying static var systems (SVS) to high ...

core   +1 more source

Reserves, Injury Severity, and Outcomes in Traumatic Brain Injury: A CENTER‐TBI Observational Study

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Reserve refers to the brain's ability to maintain function after an injury and strongly relates to traumatic brain injury (TBI) outcomes. This study examined (1) whether associations between pre‐injury reserve proxies and outcomes differed across injury severity categories, and (2) whether the impact of injury severity varied across ...
Natascha Ekdahl, Marika C. Möller, Lindsay Wilson, Anne Vik, Toril Skandsen, Jonas Stenberg, CENTER‐TBI participants and investigators   +6 more
wiley   +1 more source

A Multi-Stage Accelerated Quantum Particle Swarm Optimization for Planning and Operation of Static Var Compensators

, 2018
By the employment of quantum mechanics, this paper proposes a Multi-Stage Accelerated Quantum Particle Swarm Optimization (MSAQPSO) to maximize savings due to electrical power losses reduction, which is subject to bus voltage constraints. The methodology
Alvarez-Alvarado, Manuel S., Manuel S. Alvarez-Alvarado, Dilan Jayaweera, Jayaweera, Dilan   +3 more
core   +1 more source

Voltage Stability Analysis of Grid-Connected Wind Farms with FACTS: Static and Dynamic Analysis [PDF]

, 2015
Recently, analysis of some major blackouts and failures of power system shows that voltage instability problem has been one of the main reasons of these disturbances and networks collapse.
Kevin Zibran Heetun, Abdel Aleem, SHE, Heetuna, KZ, Zobaa, AF, Ahmed F. Zobaa, Shady H. E. Abdel Aleem   +5 more
core   +1 more source