Results 91 to 100 of about 744,488 (333)

A comprehensive survey on fault diagnosis and fault tolerance of DC-DC converters

open access: yesChinese Journal of Electrical Engineering, 2018
DC-DC converters are becoming more commonly used in power conversion solutions for energy management purposes, being employed in an ever-increasing range of DC-based applications, such as LED lighting, electric vehicles, energy storage solutions, and ...
F. Bento, A. Cardoso
semanticscholar   +1 more source

The Influence of Annealing on the Sb Layer in the Synthesis of [001]‐Oriented Sb2Se3 Film for Photoelectrochemical Hydrogen Gas Generation

open access: yesAdvanced Functional Materials, EarlyView.
[001]‐oriented Sb2Se3 film with improved crystallinity and adjusted composition is achieved via a new thermal treatment approach consisting of preliminary annealing of the Sb layer before its selenization. The findings of this work demonstrate enhanced charge carriers' transportation, a stable performance, and an improvement of H2 generation from ...
Magno B. Costa   +7 more
wiley   +1 more source

The analysis of energy and magnetic processes in inductors switched-mode electrical energy converters

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2016
The article presents the analysis of energy and magnetic processes in core of inductors switched-mode AC-AC and DC-DC converters. The mathematical model of energy and magnetic processes in core of inductors is obtained.
А. Ф. Кадацкий   +1 more
doaj   +1 more source

Low‐Symmetry Weyl Semimetals: A Path to Ideal Topological States

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a theoretical framework for realizing ideal Weyl semimetals, where Weyl nodes are well‐isolated at the Fermi level. The approach is exemplified in the low‐symmetry material Cu2SnSe3, which exhibits tunable topological phases, current‐induced orbital magnetization, and a strong circular photogalvanic effect, making it a promising ...
Darius‐Alexandru Deaconu   +3 more
wiley   +1 more source

An Extended Voltage Gain Three-Level DC/DC Bidirectional Converter in an Electric Vehicle Traction System

open access: yesIEEE Access
Electric vehicle transportation is a constantly advancing technology. In electric vehicles, battery charging is a critical necessity. The demand for DC/DC bidirectional converters in electric vehicle electrical systems is significantly higher than that ...
Nalluri Ramya Sri, M. Praveen Kumar
doaj   +1 more source

Modulating Two‐Photon Absorption in a Pyrene‐Based MOF Series: An In‐Depth Investigation of Structure–Property Relationships

open access: yesAdvanced Functional Materials, EarlyView.
This study investigates H4TBAPy‐based metal–organic frameworks (MOFs) ‐ NU‐1000, NU‐901, SrTBAPy, and BaTBAPy ‐ for multiphoton absorption (MPA) performance. It observes topology‐dependent variations in the 2PA cross‐section, with BaTBAPy exhibiting the highest activity.
Simon N. Deger   +10 more
wiley   +1 more source

Large-Signal Stability Improvement of DC-DC Converters in DC Microgrid

open access: yesIEEE transactions on energy conversion, 2021
Yonghao Gui   +5 more
semanticscholar   +1 more source

Demonstration of an All‐Optical AND Gate Mediated by Photochromic Molecules

open access: yesAdvanced Functional Materials, EarlyView.
A logic AND gate that runs on photons is demonstrated. It relies on two spatially separated photochromic molecules that work in tandem. Abstract The realization of a photonic logic AND gate, i.e. a logic AND gate that runs on photons rather than electrons, and where all steps are controlled by light, is demonstrated. In a proof‐of‐principle experiment,
Heyou Zhang   +7 more
wiley   +1 more source

High gain interleaved boost-derived DC-DC converters – A review on structural variations, gain extension mechanisms and applications

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Boost and boost-derived converters play an important role in interfacing the low voltage input from renewable energy sources like photovoltaic (PV) panels with the high voltage DC bus or DC load. Interleaved boost converters (IBC) are a separate class of
A.S. Valarmathy, M. Prabhakar
doaj   +1 more source

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