Results 191 to 200 of about 4,403,331 (387)

Small signal stability analysis of doubly fed induction generator including SDBR [PDF]

open access: yes, 2012
This paper presents small signal stability analysis of a doubly fed induction generator (DFIG) based wind farm including series dynamic braking resistor (SDBR) connected at the stator side.
15th International Conference on Electrical Machines and Systems, ICEMS 2012   +4 more
core  

Adaptive hybrid virtual inertia controller for PMSG-based wind turbine based on fuzzy logic control

open access: yesScientific Reports
The integration of renewable energy sources into microgrids presents some challenges due to the decreased system overall inertia associated with the presence of converter -based sources.
Mohamed Hosny   +2 more
doaj   +1 more source

Microstructural Evolution and Mechanical Properties of a Medium‐Manganese Steel Manufactured by Laser‐Based Powder Bed Fusion of Metals

open access: yesAdvanced Engineering Materials, EarlyView.
Fe–12Mn–0.2C medium‐manganese steel is processed by laser‐based powder bed fusion of metals using blended as well as pre‐alloyed powder. Various scanning speeds are used to determine the influence of energy deposition rate on microstructure and mechanical properties.
Leoni Hübner   +4 more
wiley   +1 more source

The Bearingless Electrical Machine [PDF]

open access: yes
Electromagnetic bearings allow the suspension of solids. For rotary applications, the most important physical effect is the force of a magnetic circuit to a high permeable armature, called the MAXWELL force. Contrary to the commonly used MAXWELL bearings,
Bichsel, J.
core   +1 more source

Параметры электрических машин в математических моделях узлов двигательной нагрузки [PDF]

open access: yes, 2013
Mathematical models of transients in electrical systems with nodes of motor load in the phase variables are discussed. These models require the performance computation and inversion of inductance matrix of electrical machines at each step of the ...
Веприк, Юрий Николаевич   +1 more
core  

Mechanically Adaptable High‐Performance p(SBMA‐MMA) Copolymer Hydrogel with Iron (II/III) Perchlorate for Wearable Thermocell Applications

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
A high‐performance n‐type element for quasi‐solid‐state thermocells has been introduced, outperforming conventional p‐type elements and showcasing the potential to harness body heat as an energy source or power embedded sensors. This advance significantly contributes to waste thermal energy harvesting and wearable technology, paving the way for self ...
Gilyong Shin   +10 more
wiley   +1 more source

Magnetic Field‐Assisted Conductive Nerve Guidance Conduit Enabling Peripheral Nerve Regeneration with Wireless Electrical Stimulation

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a conductive nerve guidance conduit integrated with wireless electrical stimulation through alternating magnetic fields, which induces currents and creates a supportive microenvironment for nerve regeneration. In vivo studies show that this approach significantly enhanced myelin restoration, gastrocnemius muscle regeneration ...
Shiheng Liu   +7 more
wiley   +1 more source

Joule‐Assisted Nanotherapeutic Urethral Stent (JANUS) for Spatiotemporal Theragenerative Treatment of Urethral Strictures

open access: yesAdvanced Functional Materials, EarlyView.
Joule‐assisted nanotherapeutic urethral stent harnesses a smart, biodegradable magnesium stent to orchestrate spatiotemporal theragenerative therapy for urethral strictures. Magnetically induced Joule heating enables on‐demand drug release and bacterial ablation, while simultaneously guiding urothelial regeneration.
Yuhyun Na   +15 more
wiley   +1 more source

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