Results 81 to 90 of about 3,785 (294)

Islanded operation of microgrids with inverter connected renewable energy resources

open access: yes, 2014
Islanded operation of microgrids with inverter connected renewable energy ...
RC Bansal (15767192)   +4 more
core  

Islanded Microgrid Operation Based on the Chaotic Crow Search Algorithm [PDF]

open access: yes, 2019
This paper investigates the optimal operation of the islanded microgrid. In order to find the optimal solution and also provide a fast response, a new heuristic method, which is known as the chaotic crow search optimization algorithm is developed.
Khazaei, Ehsan, Jamaledini, Ashkan
core  

Microscopic Insights into Magnetic Warping and Time‐Reversal Symmetry Breaking in Topological Surface States of Rare‐Earth‐Doped Bi2Te3

open access: yesAdvanced Materials, EarlyView.
Magnetic doping of the topological insulator Bi2Te3 with erbium adatoms induces out‐of‐plane magnetism and breaks time‐reversal symmetry, opening a Dirac gap and driving a Fermi surface transition from hexagonal to star‐of‐David geometry. Microscopy, spectroscopy, and magnetic dichroism reveal atomically controlled magnetic interactions that tailor the
Beatriz Muñiz Cano   +18 more
wiley   +1 more source

Scenario-Based Model Predictive Operation Control of Islanded Microgrids

open access: yes, 2015
We propose a model predictive control (MPC) approach for the operation of islanded microgrids that takes into account the stochasticity of wind and load forecasts.
Jorg Raisch   +17 more
core   +1 more source

Atomistic Mechanisms Triggered by Joule Heating Effects in Metallic Cu‐Bi Nanowires for Spintronics

open access: yesAdvanced Materials, EarlyView.
Bi doped metallic Cu nanowires are promising for spintronics thanks to the stabilization of a giant spin Hall effect. However, heat resulting from current injection forces Bi to leave solution, forcing segregation into monoatomic decorations which evolve into coherent crystalline aggregates.
Alejandra Guedeja‐Marrón   +6 more
wiley   +1 more source

Elephant‐Skin‐Inspired Porous Cementitious Tiles with Programmable Crack Networks for Passive Cooling

open access: yesAdvanced Materials, EarlyView.
Elephant‐skin‐inspired crack networks are programmed in porous diatomaceous earth (DE)‐cement composites using substrate‐guided, stress‐concentration induced fracture. The resulting crack lattices act as capillary conduits that redistribute water, while the porous matrix stores moisture.
Qingya Huang   +5 more
wiley   +1 more source

Q-Learning-Based Operation Strategy for Community Battery Energy Storage System (CBESS) in Microgrid System

open access: yesEnergies, 2019
Energy management systems (EMSs) of microgrids (MGs) can be broadly categorized as centralized or decentralized EMSs. The centralized approach may not be suitable for a system having several entities that have their own operation objectives. On the other
Van-Hai Bui, Akhtar Hussain, Hak-Man Kim
doaj   +1 more source

UK scenario of islanded operation of active distribution networks - A survey

open access: yes, 2008
This paper reports on the current UK scenario of islanded operation of active distribution networks with distributed generators (DGs). Different surveys indicate that the present scenario does not economically justify islanding operation of active ...
Ten, Chui Fen   +2 more
core   +1 more source

Programmable 3D Photovoltaics via Mechanically Origami‐Coded Interlocked 3D Kirigami and Nano‐Root Anchored AgNWs–In–Ga Multiphasic Alloy Conductor

open access: yesAdvanced Materials, EarlyView.
Mechanically origami‐coded 3D kirigami photovoltaics convert a single extension–release cycle into deterministic self‐folding, reconfiguring planar solar cells into programmable 3D modules. Distinct coding strategies enable either ultrahigh stretchability (500% system strain) or ultrahigh initial effective areal coverage (225%).
Seok Joon Hwang   +15 more
wiley   +1 more source

An Intelligent Control Strategy for Microgrid Energy Storage Systems Using Distributed Collaborative Approach

open access: yesIEEE Open Access Journal of Power and Energy
In the islanded DC Microgrid (MG) with the significant presence of renewable energy sources (RES), the integration of energy storage units (ESU) becomes crucial in mitigating the stochastic and intermittent nature of these RES.
Fawad Nawaz   +3 more
doaj   +1 more source

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