Results 161 to 170 of about 19,601 (357)

Optimization of doubly-fed induction generator (DFIG)based wind turbine to achieve maximum power generation with imperialist competitive algorithm (ICA).

open access: yesSci Prog, 2022
Abdalkareem Jasim S   +6 more
europepmc   +1 more source

Doubly-fed induction generator wind turbine system

open access: yes, 2019
The production of electrical energy resorting to fossil fuels contributes to the increase in the emissions of greenhouse gases, more specifically CO2, for the atmosphere. In the last decades, there have been increasing environmental concerns regarding the current status of the electrical energy production, which has increased the investment in the ...
openaire   +1 more source

Comparative power quality study of variable speed wind turbines [PDF]

open access: yes, 2017
Due to the variabilities inherent to natural wind resources and the associated electronic power present, wind power produces fluctuations in the generated power and harmonic injection entering the electric grid.
Ahmed, IA, Zobaa, AF
core  

Multiphysics‐Driven Assembly of Biomimetic Vesicles

open access: yesAdvanced Materials, EarlyView.
Artificial extracellular vesicles, derived from cell membranes, are manufactured using a multiphysics‐integrated microfluidic platform that combines nanoknife membrane rupture, herringbone chaotic mixing, and acoustothermal modulation. This standardizable workflow enables the predictable control of vesicle formation and therapeutic loading, while ...
Timofei Solodko   +16 more
wiley   +1 more source

Direct Torque Control of a Doubly Fed Induction Generator

open access: yesInternational Journal of Energetica, 2017
In this paper a direct torque control system is proposed and is applied to doubly fed induction generator (DFIG) based wind power generation systems. In this control system the rotor flux and the electromagnetic torque are estimated based on the rotor ...
Asma Ben Amar
doaj  

Directed Functionalization of Recombinant Spider Silk Nonwoven Membranes with Antibodies Using Non‐Canonical Amino Acids

open access: yesAdvanced Materials, EarlyView.
A recombinant spider silk protein was functionalized by incorporating genetically encoded bio‐orthogonal reactive azido‐groups. The azido‐functionalized proteins were produced in a scalable biotechnological process, and particles, films, as well as nanofibers were established as anchorage for fully functional antibodies via site‐specific bio‐orthogonal
Claudia Lacombe   +4 more
wiley   +1 more source

Universal Fluorine‐Free Proton Exchange Polymers for High‐Performance and Durable Fuel Cells Operable Under Severe Conditions

open access: yesAdvanced Materials, EarlyView.
Due to excellent physical and chemical stability, the novel designed fluorine‐free polymers with aliphatic‐chain backbones (SP‐PAC12‐QP) are regarded as promising and universal alternatives to perfluorosulfonic acid membranes. Their performances are further improved by physical reinforcement, where the fuel cell performance under high temperature and ...
Fanghua Liu   +5 more
wiley   +1 more source

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