Results 51 to 60 of about 45,384 (315)

A multilevel boost DC-DC converter with MPPT algorithm for the rooftop PV system of the urban railway Nhon - Hanoi Station

open access: yesJournal of Applied Science and Engineering
Photovoltaic generators constantly change their maximum power point (MPP) because solar radiation and temperature at different times of the day are always different.
Tran Hung Cuong, An Thi Hoai Thu Anh
doaj   +1 more source

Multi-port DC-DC Converter for Interconnecting Bipolar DC Buses of Bipolar DC Distribution System

open access: yes, 2021
This paper proposes a multi-port dc-dc converter that can interconnect bipolar dc buses of the bipolar dc distribution system. The bipolar dc distribution system has enhanced features compared with the unipolar dc distribution system.
Jung, Jee-Hoon, Lee, Jun-Young
core   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

Projecting GaN HEMTs lifetimes under typical stresses commonly observed in DC-DC converters

open access: yesPower Electronic Devices and Components, 2023
DC-DC converters exist in virtually every application of modern power electronics. Due to small die size, low on-resistance, and low parasitic capacitance, GaN power devices offer superior conversion efficiency and record-setting power density.
Shengke Zhang   +9 more
doaj   +1 more source

NFDI MatWerk Ontology (MWO): A BFO‐Compliant Ontology for Research Data Management in Materials Science and Engineering

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the NFDI‐MatWerk Ontology (MWO), a Basic Formal Ontology‐based framework for interoperable research data management in materials science and engineering (MSE). Covering consortium structures, research data management resources, services, and instruments, MWO enables semantic integration, Findable, Accessible, Interoperable, and ...
Hossein Beygi Nasrabadi   +4 more
wiley   +1 more source

Topological review of hybrid RES based multi‐port converters

open access: yesIET Renewable Power Generation, 2022
Depletion of natural resources like gas, oil, coal along with environment pollution increased the popularity of the Renewable Energy Sources (RES). Power Electronic converters are utilized for conversion of power from RES to coordinate the stand‐alone ...
Satya Prasanth Yalla   +2 more
doaj   +1 more source

The current state of Distributed Renewable Generation, challenges of interconnection and opportunities for energy conversion based DC microgrids

open access: yes, 2020
As distributed renewable energy sources (RES) continue to expand, the necessity arises for more robust coordination approaches and conversion techniques to tackle the challenges introduced by uncertainties in renewable generation.
Zen, Hushairi   +4 more
core   +1 more source

Near‐Field Electrospinning Micro‐Printhead Achieves Precise Control of Nanofiber Deposition

open access: yesAdvanced Engineering Materials, EarlyView.
A micro‐printhead for near‐field electrospinning enables reproducible deposition of polymer nanofibers with diameters below 50 nm. Systematic parameter studies uncover the mechanisms linking operating conditions to fiber morphology, paving the way for precise and low‐cost nanoscale 3D manufacturing.As a high‐resolution, cost‐effective, and rapid ...
Han Xu, Dario Mager, Jan G. Korvink
wiley   +1 more source

Single-stage three-phase AC to DC conversion with isolation and Bi-directional power flow

open access: yes, 2014
An approach for three-phase AC to DC conversion is proposed, which consists of a single-stage while offering galvanic isolation, soft-switching, bi-directional power flow and a significant reduction of inductive and capacitive energy storage.
Vermulst, B.J.D.   +14 more
core   +1 more source

Family of multiport bidirectional DC-DC converters [PDF]

open access: yes, 2006
Multiport DC-DC converters are of potential interest in applications such as generation systems utilising multiple sustainable energy sources. A family of multiport bidirectional DC-DC converters derived from a general topology is presented. The topology
Hendrix, M.A.M.; id_orcid   +9 more
core   +1 more source

Home - About - Disclaimer - Privacy