Results 51 to 60 of about 30,350 (266)

Active Power Sharing Control in Asymmetrical Bidirectional DC/DC Converter

IEEE Open Journal of Power Electronics
In many practical applications, such as electric vehicle charging and smart transformers, reverse power flow is significantly lower than forward power flow.
Lohith Kumar Pittala, Andrii Chub, Georgios I. Orfanoudakis, Alon Kuperman, Mattia Ricco, Riccardo Mandrioli   +5 more
doaj   +1 more source

Analysis of the DG in a network in Angola based on the IEEE 14-bus system

Revista Científica de Ingeniería Energética, 2022
Distributed Generation (DG) has become the main investment of power systems worldwide. This work analyzes the impact of DG on a power system in Angola based on the IEEE 14-bus test, using Matlab/Simulink software.
Priscila Dias Pereira, Delcio Ary Francisco, Marcio Zamboti Fortes, Sergio Gomes Jr.   +3 more
doaj  

Design and simulation of bidirectional DC-DC converter topology for battery applications [PDF]

E3S Web of Conferences
Recently, energy storage has become a significant topic for renewable energy based power system applications. Batteries are one of the most popular energy storage devices adopted by renewable energy sources, electrical vehicles and grid connected systems.
Kurtoğlu Mehmet, Eroğlu Fatih
doaj   +1 more source

A Modular Bioinstructive Platform Reveals Mechanistic Insights into Additive‐Free, Topography‐Driven Osteogenesis

Advanced Healthcare Materials, EarlyView.
Engineered microparticle topographies direct human mesenchymal stem cell osteogenesis without biochemical additives. This osteogenic commitment is driven by canonical Hedgehog signaling and followed by temporal IGF‐II engagement. Two‐photon polymerization demonstrates spatial control, enabling the engineering of topographical gradients that pattern ...
Fatmah I. Ghuloum, Leo A. H. Zeef, Lee A. Stevens, Marco A. N. Domingos, Susan J. Kimber, Mahetab H. Amer   +5 more
wiley   +1 more source

Enabling Grid Services with Bidirectional EV Chargers: A Comparative Analysis of CCS2 and CHAdeMO Response Dynamics

World Electric Vehicle Journal
Bidirectional electric vehicle (EV) charging represents an opportunity to leverage EVs as flexible energy assets within the power system. By enabling controlled power flow in both directions, bidirectional charging unlocks a wide range of grid services ...
Kristoffer Laust Pedersen, Rasmus Meier Knudsen, Mattia Marinelli, Mattia Secchi, Kristian Sevdari   +4 more
doaj   +1 more source

Soft Neural Interfaces for Circuit‐Level Analysis of Magnetogenetic Deep Brain Stimulation in Parkinson's Disease Models

Advanced Healthcare Materials, EarlyView.
ABSTRACT Magnetogenetic deep brain stimulation (MG‐DBS) represents a wireless neuromodulation that has demonstrated long‐lasting behavioral benefits in Parkinson's disease models. However, the circuit‐level mechanisms underlying these therapeutic effects have remained uncharacterized due to limitations of conventional neural interfaces.
Jakyoung Lee, Yeongdo Lee, Enji Kim, Hunkyu Seo, Myoungjae Oh, Hanho Joo, Somin Lee, Jae‐Hyun Lee, Hyun Ho Jung, Minsuk Kwak, Jang‐Ung Park   +10 more
wiley   +1 more source

Research Progress of Urban Rail Transit Traction Power Supply System with Bidirectional Converters

Chengshi guidao jiaotong yanjiu
Objective Most of the traditional traction power supply systems of urban rail transit lines in China use diode rectifier units, which have the deficiencies that electric energy can only flow in one direction and the regenerative braking energy can not be
CHANG Yuxin, CHEN Jiaqi, QI Shenghua, SHEN Shiquan   +3 more
doaj   +1 more source

Microengineered Gradient Hydrogels for Mechanobiology

Advanced Healthcare Materials, EarlyView.
Gradient hydrogels are used to mimic the mechanical heterogeneity in native tissues, offering powerful in vitro platforms to study cell‐material interactions in diverse pathophysiological contexts. Here, we present a comprehensive review of the design and experimental considerations for stiffness gradient hydrogels, discussing exemplary achievements ...
Shin Wei Chong, Deepu Ashok, Anna Waterhouse, Marcela M. M. Bilek, Daniele Vigolo   +4 more
wiley   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Cost-Effective Matrix Rectifier Operating With Hybrid Bidirectional Switch Configuration Based on Si IGBTs and SiC MOSFETs

IEEE Access, 2020
For so many years, silicon (Si) IGBTs have been widely utilized in power converters for low-to-medium voltage high-power applications. However, the ever-increasing requirements to improve power density, power quality, and efficiency of power converters ...
Bryan Gutierrez, Sang-Shin Kwak
doaj   +1 more source