Results 31 to 40 of about 1,111,755 (165)

Risks of Time and Chronology as an Underpinning Infrastructure for Critical Systems: Emerging Chronorisks and Chronosecurity Needs

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley   +1 more source

Blockchain and Quantum Technologies for Securing the Global Nuclear Supply Chain: Synergies, Applications, Technical Challenges and Opportunities

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT The infiltration of counterfeit, fraudulent, and suspect items into civil nuclear supply chains, notably within power generation and medical isotope production, poses severe safety and security threats. The ever‐increasing growth in nuclear installations (70 power plants are under construction and another 100 are in the planning stage) and the
Hafiz Ahmed
wiley   +1 more source

Institutions, in time: Designing feedback pathways for shared infrastructure transitions

open access: yesPolicy Studies Journal, Volume 53, Issue 3, Page 654-680, August 2025.
Abstract Electric utilities, challenged by a rapidly unfolding energy transition, use many informal institutions to bridge across technologies and sectors. Little is known, however, about how electric utility systems and other polycentric systems' institutions‐in‐use vary and evolve over time.
Matthew Grimley   +6 more
wiley   +1 more source

Estrategia Adaptativa para el Alivio de Carga en Sistemas Eléctricos de Potencia Basada en Regresión Lineal

open access: yesRevista Técnica Energía
El equilibrio entre generación y demanda es esencial para la estabilidad de frecuencia en sistemas eléctricos de potencia. Sin embargo, la creciente penetración de energías renovables intermitentes ha reducido la inercia del sistema, exponiendo ...
Flavio Villacrés   +3 more
doaj   +1 more source

Estudio técnico del uso de energía solar y biogás en vehículos eléctricos en Ilhabela-Brasil

open access: yesIngenius: Revista de Ciencia y Tecnología, 2018
Actualmente, los sistemas híbridos de generación de energía se han mostrado como una excelente oportunidad para la generación de electricidad. En este trabajo se presenta el estudio de uno de estos sistemas considerando dos fuentes de energía disponibles
Raul Pereira Micena   +3 more
doaj   +1 more source

Regulatory and policy stability for renewable energy investment: An interdisciplinary analysis of the investment disputes against Spain

open access: yesReview of European, Comparative &International Environmental Law, Volume 34, Issue 2, Page 471-484, July 2025.
Abstract Regulatory and policy changes in the renewable energy sector in many European countries have disrupted investment stability in the sector. These changes have triggered legal disputes in which investors argued that host states have an obligation to maintain regulatory stability.
Sai Ma, Simon Schaub, Joan Enguer
wiley   +1 more source

Análisis dinámico de sistemas eléctricos con generación eólica [PDF]

open access: yes, 2001
La energía eólica instalada en Europa ha crecido aproximadamente un 40% anual durante la última década. Este crecimiento, unido a la previsible instalación de numerosos parques en un futuro próximo, obliga a las compañías eléctricas a evaluar la ...
Ledesma Larrea, Pablo
core   +1 more source

Auto – Conversores Sincrónicos: Emulación de Generadores Sincrónicos con Conversores para la Inyección de Inercia Virtual en Sistemas de Potencia de 60 Hz Considerando Auto-sincronización

open access: yesRevista Técnica Energía, 2022
La generación de electricidad a partir de fuentes renovables y la integración de las redes eléctricas inteligentes son tendencias en la actualidad de los sistemas eléctricos de potencia.
Jonathan Riofrio, Csaba Farkas
doaj   +1 more source

Securing the EV Charging Ecosystem: Protocol‐Level Vulnerabilities, Defenses, and a Research Roadmap

open access: yesJournal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.
Electric mobility offers promising benefits in sustainability and efficiency but also presents significant cybersecurity challenges that threaten the integrity of electric vehicles (EVs), charging infrastructure, and their communication systems. This article reviews the main threats, vulnerabilities, and existing mitigation strategies, identifying ...
Miguel Aybar-Mejía   +11 more
wiley   +1 more source

Operación Óptima del Sistema Eléctrico Aislado de la Isla San Cristóbal, con Generación Renovable y Vehículos Eléctricos

open access: yesRevista Técnica Energía, 2018
Este artículo propone un algoritmo para operación óptima de sistemas eléctricos aislados, el cual minimiza los costos de producción de electricidad en un mix de aerogeneradores y generados térmicos.
R. Barreto, O. Gomis, J. Heredia
doaj   +1 more source

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