Results 71 to 80 of about 18,465 (303)
Advanced Functional Materials, EarlyView.Significant nanoscale oxygen diffusion coefficient variations are measured in ferroelectric hafnium zirconium oxide films with grain boundaries and electrode interfaces exhibiting values 104 times larger than the grain cores. Overall coefficients are 10X larger for films prepared with metal nitride electrodes compared to refractory metals. New insights
Liron Shvilberg +6 more
wiley +1 more source
Modeling and Control of Grid Forming Converters: A Systematic Review
IEEE AccessIn electrical power systems where the proportion of synchronous generators (SG) is gradually decreasing, grid-forming (GFM) converters need to be installed and controlled to meet all the system requirements that SGs have provided to date.
Macit Tozak +3 more
doaj +1 more source
Estratégia híbrida de controle para inversores trifásicos conectados à rede baseada em controladores deadbeat e proporcional+ressonante [PDF]
, 2014 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2014.Neste trabalho apresentam-se metodologias de projeto de controladores de corrente para inversores ...
Andreta, André Gutierrez
core
Robust control of grid-connected converters under wide grid impedance variation
, 2019 This paper investigates the robust current control of grid-connected converters operating under wide grid impedance variation. Digital state feedback control gains are obtained based on linear matrix inequalities that ensure the location of the closed ...
Montagner, Vinícius F. +11 more
core +1 more source
Distributed ReStart: Nonconventional BlackStart Resources : RTDS Based Network Energization from Grid Forming Converters: Part 2 [PDF]
, 2022 This report summarizes the results achieved in investigating the use of grid-forming converters (GFC) control for black-start applications, as part of the Distributed ReStart project collaboration between SPEN and Iberdrola Innovation Middle East.
Burt, Graeme +5 more
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3D Printing Innovations in Polymeric Porous and Patterned Architecture
Advanced Functional Materials, EarlyView.Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil +13 more
wiley +1 more source
EnergiesThe optimization of low-level control for DC–AC power converters is crucial for enhancing efficiency, stability, and adaptability in modern power systems. With the increasing penetration of renewable energy sources and the shift toward decentralized grid
Guilherme Vieira Hollweg +4 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Potassium–sulfur batteries are investigated using UV–vis spectroscopy to track the evolution of potassium polysulfide species at elevated temperature. The study reveals sulfur radical anions as key intermediates and shows how solvent composition and cell design influence polysulfide stability, redox behavior, and cycling performance, providing insights
Chiara Morini +7 more
wiley +1 more source
Transient Stability of Converter-Connected Systems： A Review of Research Status， Challenges and Prospects [PDF]
Dianli jianshe[Objective] With the increasing penetration of renewable energy， the power system is accelerating its transformation towards being dominated by power electronic equipment.
XIONG Yongxin, WEN Jinyu, YAO Wei
doaj +1 more source
Stability Analysis of Grid-Following and Grid-Forming Converters Based on State-Space Modelling [PDF]
This article conducts a comprehensive analysis and comparison of the control loops of the grid-following and grid-forming voltage source converters connected to the power grid.
Anvari-Moghaddam, Amjad; id_orcid +3 more
core +1 more source