Results 111 to 120 of about 297,930 (301)

Optimal power flow using archimedes optimizer algorithm

open access: yes, 2022
This article proposes a new metaheuristic algorithm called Archimedes optimization algorithm (AOA) for solving optimization problems of optimal power flow (OPF) utilizing the renewable energy sources (RES) for minimizing different single-objective and ...
Ahmed. M. A. Soliman   +6 more
core   +1 more source

Optimal Power Flow in Electrical Microgrids

open access: yesEnergy and Power Engineering, 2014
First of all, a state of the art regarding the methods to solve optimal power flow (OPF) and its application in electrical microgrids are presented in this article. Afterward, a mathematical algorithm based on the gradient method is proposed to implement OPF to a low-power electrical microgrid, with the objective of improving the voltage's ...
F. A. Heredia-Ramirez   +2 more
openaire   +2 more sources

A Prospective Study of Individuals at Risk of Multiple Sclerosis Informs the Design of Primary Prevention Studies

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective In multiple sclerosis, the optimal time for deploying a therapeutic intervention is before the central nervous system is damaged; given the success of trials treating the earliest stage of MS, the radiologically isolated syndrome, developing primary prevention strategies is an important next challenge.
Amy W. Laitinen   +7 more
wiley   +1 more source

Efficacy of Intermittent Theta‐Burst Stimulation for Prolonged Disorders of Consciousness: A Prospective, Randomized, Controlled Trial

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Emerging evidence suggests that low‐frequency neural oscillations are dynamically regulated by consciousness levels, with the recovery of low cortical activity potentially serving as a neurophysiological substrate for conscious emergence. Targeted enhancement of these low‐frequency rhythms in patients with disorders of consciousness
Chuan Xu   +10 more
wiley   +1 more source

Optimal microgrid control and power-flow study with different bidding policies by using powerworld simulator

open access: yes, 2014
For a microgrid (MG) to participate in a real-time and demand-side bidding market, high-level control strategies aiming at optimizing the operation of the MG are necessary.
Zhang, Dong   +3 more
core  

Aspects of wind energy characteristics in transmission related optimisation models : invited panel discussion paper

open access: yes, 2011
Presented at the IEEE Power and Energy Society General Meeting, Detroit, USA, 24-29 July 2011This invited panel paper discussion will outline a number of aspects of wind energy characteristics relevant to the optimal wind/transmission model formulation ...
Burke, Daniel J.   +4 more
core   +1 more source

Optimal power flows

open access: yesInternational Journal of Electrical Power & Energy Systems, 1979
Abstract The state of the art of optimal flows at the end of 1978 is reviewed. The different aspects of the problem statement are established in the most complete way possible; then methods for the solution of the static optimization are presented and filed, with a brief description of the most typical ones, trying to show the respective merits of ...
openaire   +1 more source

A Systematic Review and Meta‐Analysis of the Recurrence of Autoimmune Encephalitis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Autoimmune encephalitis (AE) is a disease with a potential for recurrence, and patients receive immunotherapy to prevent it. However, there is no consensus on the duration of immunotherapy. This study aimed to determine the recurrence rate and identify the risk factors for AE to provide guidance on the duration of immunotherapy ...
Shangkai Bai   +5 more
wiley   +1 more source

Optimal power flow via interior-exterior method

open access: yes, 2007
This paper presents a new approach to the resolution of the Optimal Power Flow problem. In this approach the inequality constraints are treated by the Modified Barrier and Primal-Dual Logarithmic Barrier methods.
Costa, G. R. M. . da   +3 more
core   +2 more sources

Power flow optimization

open access: yes, 2021
Objectius de Desenvolupament Sostenible::7 - Energia Assequible i No Contaminant::7.b - Per a 2030, ampliar la infraestructura i millorar la tecnologia per tal d’oferir serveis d’energia moderns i sos­tenibles per a tots els països en desenvolupament, en particular els països menys avançats, els petits estats insulars en desenvolupament i els països en
openaire   +1 more source

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