Results 51 to 60 of about 26,605 (327)

Novel Offline Switched Mode Power Supplies for Solid State Lighting Applications [PDF]

open access: yes, 2013
In recent years, high brightness light emitting diodes (HBLEDs) have increasingly attracted the interest of both industrial manufacturers and academic research community.
Sichirollo, Francesco
core  

LLC resonant converter for low power and low voltage operation

open access: yes, 2021
Uspoređeni su energetski pretvarač s pulsno-širinskom modulacijom i rezonantni energetski pretvarač. Opisane su topologije rezonantnog istosmjernog pretvarača napona. Dana je analiza rada LLC rezonantnog istosmjernog pretvarača napona.
Mihaljević, Petar
core  

Self‐Assembled Inorganic Nanomembrane Tubes: Rolled‐Up Piezoelectrics for Microacoustic Wave‐Based Actuators and Sensors

open access: yesAdvanced Materials, EarlyView.
This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau   +9 more
wiley   +1 more source

Research on LLC Resonant Converter Control Strategy Based on Sliding Mode Active Disturbance Rejection Control

open access: yesIEEE Access
Aiming at the problems of excessive fluctuation and long adjustment time when LLC resonant converter encounters load mutation in traditional control strategy, which seriously affects the normal use, an improved self-disturbance control strategy based on ...
Liwen Ji   +5 more
doaj   +1 more source

A single‐stage bridgeless LLC resonant converter with constant frequency control based LED driver

open access: yesIET Power Electronics, 2021
In this article, a single‐stage bridgeless LLC resonant converter with a constant frequency control method is proposed for a high‐brightness light‐emitting diode (LED) driver. LED strings require drivers with high power density and high efficiency.
Jianguang Ma, Ying Sun, Liang Hu
doaj   +1 more source

Hybrid Control Method of Full-Bridge LLC Resonant Converter Based on Electric Vehicle

open access: yesIEEE Access
The high charging efficiency of LLC resonant converters over a very wide range of load conditions in electric vehicle charging systems has long been a research hotspot.
Yuntao Yue   +4 more
semanticscholar   +1 more source

Solid‐State Nanopore Characterization of Dendrimer‐Peptide Conjugates Across Defined Peptide Loadings

open access: yesAdvanced Materials Interfaces, EarlyView.
Solid‐state nanopores are used to interrogate dendrimer‐peptide conjugates with systematically varied peptide loading. Single‐particle ionic current signatures reveal how ligand density modulates deformability, transport pathways, and electromechanical coupling during translocation.
Chaoming Gu   +7 more
wiley   +1 more source

LCLC resonant converter as maximum power point tracker in PV systems [PDF]

open access: yes, 2009
This paper presents the analysis and implementation of an LCLC resonant converter working as maximum power point tracker (MPPT) in a PV system. This converter must guarantee a constant DC output voltage and must vary its effective input resistance in ...
Martínez García, Herminio   +3 more
core   +1 more source

Conversores CC-CC bidirecionais isolados simétricos com baixa ondulação de corrente [PDF]

open access: yes, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2015Neste trabalho e apresentado o estudo de uma família de conversores CC-CC bidirecionais baseada na ...
Souza, Eduardo Valmir de
core  

MATLAB GUI Based Steady State Open-Loop and Closed-Loop Simulation Tools for Different LLC Converters With all Operation Modes

open access: yesIEEE Open Journal of Industry Applications, 2021
LLC resonant converters have been widely adopted in many different industrial applications due to their characteristics of high efficiency and high power density.
Yuqi Wei   +3 more
doaj   +1 more source

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