Results 51 to 60 of about 342,637 (229)

Comparison of Three-Phase Rectifier with Symmetrical Switching and AC-AC Converter for the Power Factor Improvement in Hydroelectric Micro-Plants

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2017
Many of hydroelectric micro-plants, useful for the electricity production at intricate regions, operate in autonomous regimen. Therefore, it is necessary to accomplish the control of frequency.
Henry Bory Prevez   +4 more
doaj   +1 more source

The Palestinians in a Transforming Middle East: Adapting or Stagnating

open access: yesWorld Affairs, Volume 188, Issue 3, Fall 2025.
ABSTRACT This article examines the profound stagnation and decline confronting the Palestinian national movement in the aftermath of the October 2023 war in Gaza. It argues that Palestinian political fragmentation has coincided with an evolving regional landscape that increasingly sidelines Palestinians. On the international stage, waning US engagement,
Anas Iqtait
wiley   +1 more source

Análisis y simulación de un rectificador trifásico controlado Active Front End (AFE)

open access: yesRevista Ingenierías Universidad de Medellín, 2016
Este artículo presenta un resultado de investigación financiado con recursos propios en el que se expone un modelo en espacio de estados de un rectificador trifásico controlado active front end.
Daniel Darío Campo Ossa   +2 more
doaj   +1 more source

Banco de pruebas para panel fotovoltaico [PDF]

open access: yes, 2016
Las condiciones operativas reales de un panel fotovoltaico (PV: PhotoVoltaic) en relación a las especificadas por el fabricante, la degradación de sus parámetros con el paso del tiempo, las condiciones climáticas y la propia instalación, implican un ...
Casellas Beneyto, Francisco   +3 more
core  

Beyond the New Municipalism: Towards Post‐Capitalist Territorial Sovereignty in the Case of Hernani Burujabe

open access: yesAntipode, Volume 57, Issue 4, Page 1448-1469, July 2025.
Abstract The so‐called new municipalism has spread in different geographical settings as an attempt to democratise the economy and politics in the local sphere, in response to contemporary capitalist contradictions. However, it has encountered political, economic, and scale limitations that have prevented it from consolidating alternatives for ...
Andoni Egia‐Olaizola   +2 more
wiley   +1 more source

Evaluación de los riesgos del proceso de generación de energía en una central termoeléctrica

open access: yesRevista Científica de Ingeniería Energética, 2018
Este trabajo se desarrolló en la Central Eléctrica 10 de Octubre de Nuevitas con el objetivo de evaluar los riesgos que afectaron el factor de potencia disponible.
Rafael Carter Carrión   +3 more
doaj  

Convertidor modular trifásico CA/CC para aplicaciones LED basado en la suma de luz por fase [PDF]

open access: yes, 2018
Seminario Anual de Automática, Electrónica Industrial e Instrumentación 2018 (SAAEI'18) (25º. 2018. Barcelona, España)En este artículo se propone el uso de convertidores trifásicos CA/CC basados en una estructura modular para aplicaciones de iluminación ...
Arias Pérez de Azpeitia, Manuel   +4 more
core  

Crouching Tiger, Hidden Dragon: An Offensive Realist Reconsideration of Philippine Grand Strategy

open access: yesAsian Politics &Policy, Volume 17, Issue 3, July 2025.
ABSTRACT In regions riddled with heightened security tensions from great power competition like Southeast Asia, why do states like the Philippines defy conventional rationality and hedge against their treaty ally? This paper seeks to answer this gap in the literature by arguing for a new definition of hedging that covers contemporary cases.
Jomari Jesus G. Tan
wiley   +1 more source

Analysis and simulation of a three-phase controlled Active Front End Rectifier (AFE) [PDF]

open access: yes, 2015
This paper presents a result of research financed with own resources; It presents a state-space model of a three-phase controlled Active Front End rectifier.
Campo Ossa, Daniel Darío   +2 more
core  

Renaissance Culture, Emblems, and Interdisciplinary Research: The Reception of Alciato in Coimbra☆

open access: yesRenaissance Studies, Volume 39, Issue 3, Page 394-418, June 2025.
Abstract Bearing in mind that emblem books were a manifestation of humanistic culture and its natural interdisciplinary, this paper discusses how the early reception of Alciato's Emblemata in Coimbra (Portugal) had an impact on artists, literary authors, jurists, and Jesuit teachers.
Filipa Araújo
wiley   +1 more source

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