Results 71 to 80 of about 965,234 (263)

Optimal self-healing strategy for microgrid islanding

open access: yesIET Smart Grid, 2018
Renewable resource based microgrids provide reliable and cost-effective electricity with low carbon emissions. The flexibility of operating in grid-connected or islanded modes enables a microgrid to serve loads reliably.
Wei Sun   +4 more
doaj   +1 more source

Coordinated Load Shedding Control Scheme for Recovering Frequency in Islanded Microgrids

open access: yesIEEE Access, 2020
Supply and demand balance is required to assure the normal operation of microgrids. When unintentional islanding occurs in a microgrid, a load shedding (LS) control scheme is necessary to achieve the power balance and frequency stability of an islanded ...
Can Wang   +4 more
doaj   +1 more source

Dilemmas of Civilian Participation in Military Deterrence and Defence: Legal and Ethical Dimensions

open access: yesGlobal Policy, EarlyView.
ABSTRACT How can civilians participate in deterrence and defence in ways that do not jeopardize their immunity from deliberate attack? The principle of civilian immunity from deliberate attack in war is a core element of contemporary international humanitarian law (IHL). Uniformed combatants and others who take up arms pose a threat may be liable to be
Neta C. Crawford
wiley   +1 more source

Load flow analysis for islanded microgrid

open access: yes, 2022
48 p.Due to the increasing demand for green energy these last years, renewable energy sources have been integrated more efficiently with the utility grid .The combination of energy sources ,storage devices and the power electronics interface with the ...
Kheldoun, Aissa (Supervisor)   +1 more
core  

Exergy‐Based Performance Analysis and Optimization of Autonomous Fuel Cell‐Based Energy Systems With Solid Oxide and Proton Exchange Membrane Fuel Cells Fed by Biogas of Variable Composition

open access: yesFuel Cells, Volume 26, Issue 5, October 2026.
ABSTRACT This study presents a unified thermodynamic and exergy‐based assessment of autonomous fuel cell energy systems operating on biogas with varying compositions. Two alternative configurations—a solid oxide fuel cell (SOFC)‐based system and a proton exchange membrane fuel cell (PEMFC)‐based system—were evaluated using a common balance‐of‐plant ...
Evangelos Tsiaras   +2 more
wiley   +1 more source

Control of an islanded microgrid [PDF]

open access: yes, 2017
This thesis presents a detailed investigative process into the study of the control of an islanded microgrid. This investigation is done through the research and exploration of multiple existing control techniques for the control of a microgrid and then ...
Jakopo, Tafara
core  

Advanced power routing framework for optimal economic operation and control of solar photovoltaic-based islanded microgrid [PDF]

open access: yes, 2019
© 2019 Institution of Engineering and Technology. All rights reserved. Energy sharing through a microgrid (MG) is essential for islanded communities to maximise the use of distributed energy resources (DERs) and battery energy storage systems (BESSs ...
Mahmud, MAP   +6 more
core   +1 more source

Stochastic risk‐managed reserve dispatch for seamless microgrid islanding during unplanned events

open access: yesThe Journal of Engineering
Microgrids (MGs) can operate independently in islanded mode during utility grid outages, relying on local distributed energy resources (DERs). However, ensuring a seamless transition from grid‐connected to islanded mode requires sufficient DER capacity ...
Emmanuel Nwaulu   +2 more
doaj   +1 more source

Power Quality in AC Islanded Microgrids: Technical Framework and State of the Art Review

open access: yesIngeniería e Investigación, 2020
In recent years, operation and control strategies in distribution systems have changed due to the increase in the connection of distributed generation sources (DGs). Small local networks with electricity users and DGs are known as microgrids.
Vanessa Quintero-Molina   +4 more
doaj   +1 more source

Modeling and control of a solar-thermal dish-stirling coupled PMDC generator and battery based DC microgrid in the framework of the ENERGY NEXUS

open access: yesEnergy Nexus, 2022
In this paper a control scheme and power management technique for solar-thermal dish-Stirling and battery based islanded DC microgrid system has been developed for the nexus of energy.
Dheeraj Kumar Dhaked, Dinesh Birla
doaj   +1 more source

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