Results 111 to 120 of about 2,636 (303)
Advanced Materials, EarlyView.By designing a P/N‐ and π–π interacting biphenyl‐containing diol as hard segments but side groups, a strong, tough, fire‐extinguishing and self‐healing elastomer is developed, demonstrating a break strain of ∼2500%, a toughness of 379 MJ/m3 and a tensile strength of 46 MPa, as well as a healing efficiency of 95% (tensile strength) and 99% (break strain)
Yijiao Xue +11 more
wiley +1 more source
New Analysis and Operational Control Algorithms for Islanded Microgrid Systems [PDF]
, 2014 Driven by technical, economic and environmental benefits for different stakeholders in the power industry, the electric distribution system is currently undergoing a major paradigm shift towards having an increasing portion of its growing demand supplied
Abdelaziz, Morad Mohamed Abdelmageed
core
Hybrid Transient Search Algorithm With Levy Flight for Optimal PI Controllers of Islanded Microgrids
IEEE AccessThis study combines the metaheuristic algorithm Transient Search Optimization (TSO) with the Levy flight distribution to find the optimal proportional-integral (PI) controllers for robust operation of islanded microgrids.
Ahmed M. Hussien +3 more
doaj +1 more source
Advanced Materials, EarlyView.Ultrathin lithium metal anodes (≤15 µm) offer a promising route to high‐energy‐density batteries due to their high capacity and low potential. This review presents design principles for ultrathin Li, evaluates fabrication strategies, and discusses challenges in liquid and solid‐state cells.
Cheng Wang +9 more
wiley +1 more source
Load flow analysis for islanded microgrid
, 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
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IET Renewable Power GenerationThis research proposes the application of fractional‐order sliding mode control (FOSMC) at the primary controller level to improve the stability of an islanded microgrid by adjusting its voltage and frequency. The control strategies used in the microgrid
Mohamad Issa Ibraheem +3 more
doaj +1 more source
Programmable Stepwise Heteroepitaxial Growth of Colloidal Crystals With Different Phases
Advanced Materials, EarlyView.Stepwise heteroepitaxial growth is adapted to colloidal crystal engineering with DNA, enabling face‐centered cubic (fcc) facets to grow on body‐centered cubic (bcc) crystals with 110 facets. This approach tolerates large lattice mismatches, extending heteroepitaxy beyond the limits of conventional atomic systems.
Xiaowei Liu +9 more
wiley +1 more source
Voltage predictive control for microgrids in islanded mode based on Fourier transform
, 2015 Articulo pionero en la tecnica de control predictivo basado en el modelo usando todo el ciclo de la transformada fourier y haciendo la impedancia thevenin equivalente de la carga en lineaMicrogrids appear as a key-solution to manage smart grids with high
Felix Garcia-Torres +5 more
core +1 more source
Advanced Materials, EarlyView.This project developed a smart bandage‐like patch (a microneedle array) for repairing diabetic bone damage. It intelligently senses signals from infection and inflammation, then releases its medicines in a specific, timed sequence: first an antibacterial agent, then an anti‐inflammatory agent, and finally growth factors.
Yu Wang +10 more
wiley +1 more source
A Controllable Distributed Energy Resource Transformer-Based Grounding Scheme for Microgrids
IEEE Open Access Journal of Power and EnergyA microgrid (MG) may lose its grounding provided by the main distribution grid in islanded mode, which could cause equipment insulation damage, hazards to personnel, and protection malfunction.
Dingrui Li +7 more
doaj +1 more source