Results 111 to 120 of about 22,499 (318)

Magnetoelectric Nanoparticle‐Based Wireless Brain–Computer Interface: Underlying Physics and Projected Technology Pathway

Advanced Science, EarlyView.
Magnetoelectric nanoparticles (MENPs) enable fully wireless, minutely invasive neuromodulation, and potentially neural recording, by converting magnetic into electric and, conversely, electric into magnetic fields, respectively, at high spatiotemporal resolution.
Elric Zhang, Max Shotbolt, Mostafa Abdel‐Mottaleb, Shawnus Chen, Victoria Andre, Jieyuan Tian, Jonathan Shulgach, Max Murphy, Brian Noga, Ping Liang, Darcy Griffin, Douglas Weber, Marta Pardo, Salvador Pane, Sakhrat Khizroev   +14 more
wiley   +1 more source

AC-DC Cuk Converter: A State-of-the-Art topological review

Energy Conversion and Management: X
AC-DC converters, which transform alternating current (AC) into controlled direct current (DC), are key instruments for systems requiring stable and efficient power conversion.
Istiak Ahmed, Asif Imties Alvy, Irfan Rahman, Md. Abdullah Al Hossain, Showrov Rahman, Abdullah Al-Hysam, Abdur Razzak   +6 more
doaj   +1 more source

Mitigation of voltage sag, swell and power factor correction using solid-state transformer b

Alexandria Engineering Journal, 2014
This paper presents a novel topology of solid-state transformer (SST). In the design process, the AC/DC, DC/AC and AC/AC converters have been integrated to achieve higher efficiency. To obtain higher efficiency from other SST with DC-link topologies, the
M.R. Banaei, E. Salary
doaj   +1 more source

Ultrafast, High‐Capacity Uranium Harvesting From Seawater via a Hierarchically Porous Polymer Electrode

Advanced Science, EarlyView.
A hierarchically porous AOPIM‐CNT electrode enables uranium harvesting from seawater via adsorption‐promoted electrodeposition. Rapid diffusion and selective adsorption are coupled with electrochemical crystallization and spontaneous detachment, creating a self‐refreshing process that sustains high‐capacity, continuous extraction from ultradilute ...
Zejun Song, Zhenggong Wang, Lele Guo, Zhining Wang, Keming Wan, Ting Zhang, Wangxi Fang, Jian Jin   +7 more
wiley   +1 more source

Dual-Port Grid-Forming Control of Double-Stage Interlinking Converters in Islanded Hybrid AC/DC Microgrids

IEEE Access
Hybrid AC/DC microgrids (MGs) are comprised of AC and DC MGs interconnected through an interlinking converter (ILC). This paper presents a novel control strategy for double-stage ILCs (consisting of bidirectional DC-DC and DC-AC converters) in islanded ...
Mehdi Baharizadeh, Mohammad Sadegh Golsorkhi, Ali Arzani, Thomas Ebel   +3 more
doaj   +1 more source

Simple control strategy for a PV-battery system

The Journal of Engineering, 2019
Nowadays, energy storage systems, such as batteries, are spreading in many applications. Among the kinds of batteries, the lithium-ion technology is one of the most promising solutions.
Simone Barcellona, Davide De Simone, Davide De Simone, Luigi Piegari   +3 more
doaj   +1 more source

Microgrid power electronic converters: state of the art and future challenges

, 2009
This paper presents a review of the state of the art of power electric converters used in microgrids. The paper focuses primarily on grid connected converters.
Sharkh, S.M., Boltryk, R.J., Jamil, M., Hussain, B., Abu-Sara, M.   +4 more
core  

Controle não-linear de conversores de eletrônica de potência interconectados em microrredes de corrente contínua [PDF]

, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Automação e Sistemas, Florianópolis, 2014Demandas ambientais vão potencializar o uso de sistemas com energias renováveis em um
Stramosk, Vinicius
core  

Integrated Ultrasonic Platform for Bioelectronic Control through Biological Barriers Based on Metasurface

Advanced Science, EarlyView.
A metasurface‐enabled ultrasonic platform achieves precise multi‐focal control through biological barriers, real‐time physiology‐driven modulation, and simultaneous wireless power and data transmission. By unifying wavefront engineering, closed‐loop feedback, and acoustic communication, this work establishes key enabling technologies toward scalable ...
Chuanxin Zhang, Hanjie Xiao, Xue Jiang, Dean Ta   +3 more
wiley   +1 more source

Impacts on Power Factor of AC Voltage Controllers Under Non-Sinusoidal Conditions [PDF]

Mehran University Research Journal of Engineering and Technology, 2012
AC-AC conversion is obtained with the help of Cyclo-converters, DC Link converters and AC Voltage Controllers. AC voltage controllers are also referred to as voltage regulators.
Mukhtiar Ahmed Mahar, Abdul Sattar Larik, Syed AsifAli Shah   +2 more
doaj