Results 71 to 80 of about 7,358,551 (300)

A high step‐up high step‐down coupled inductor based bidirectional DC–DC converter with low voltage stress on switches

open access: yesIET Power Electronics
This paper proposes, a novel soft‐switching bidirectional direct current to direct current (DC–DC) converter based on switched‐capacitor and coupled‐inductor.
Pouya Abolhassani   +5 more
doaj   +1 more source

Hybrid Switched Capacitor Three Winding Coupled Inductor High Step-Up DC-DC Converter

open access: yesIEEE Access
Switched capacitor cells have been studied in recent years. These approaches allow different new topologies to be generated. One such technique is the hybrid converter, where a coupled inductor and switched capacitor can be combined. Thus, in this paper,
Antonio Manuel Santos Spencer Andrade   +2 more
doaj   +1 more source

High Efficiency Step-Up HVDC Converter for Photovoltaic Generator

open access: yesEnergy Procedia, 2012
Nowadays a way to optimize photovoltaic systems consists in implementing distributed structures, implying the use of electronic devices. In this paper we show performances of improved DC-DC converters able to feed an inverter. Resulting efficiency allow us to consider parallel HVDC architecture connecting independently PV modules with low section ...
Sawicki, J.P.   +4 more
openaire   +4 more sources

Pulmonary Dysfunction Is Associated With Sleep Study Abnormalities in Children With Sickle Cell Disease: A Multicenter Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Pulmonary dysfunction and sleep abnormalities are common in children with sickle cell disease (SCD) and are associated with worse clinical outcomes. Whether spirometry abnormalities are associated with polysomnography (PSG) findings remains unclear.
Ammar Saadoon Alishlash   +4 more
wiley   +1 more source

Ultra High Step‐Up Soft Switching Converter Based on the Interleaved Structure

open access: yesEnergy Science & Engineering
A new interleaved high step‐up DC–DC converter is presented in this paper, providing very high voltage conversion, significantly lowering the voltage stress across semiconductor components, and minimizing conduction losses.
Mahdi Alizadeh   +3 more
doaj   +1 more source

Refining efficiency in standalone proton exchange membrane fuel cell systems through gross hopper optimization-based maximum power point tracking control

open access: yesScience and Technology for Energy Transition
This study introduces a novel Maximum Power Point Tracking (MPPT) technique for Proton Exchange Membrane Fuel Cell (PEMFC) systems, leveraging the Gross Hopper Optimization (GHO) algorithm to achieve enhanced performance.
Nethra K.   +6 more
doaj   +1 more source

Analysis and Design of an Active-Clamping Coupled-Inductor Boost Converter for High-Voltage-Gain Applications

open access: yesEletrônica de Potência, 2018
This paper proposes the analysis and design of an active-clamping coupled- inductor boost converter for high-voltage-gain applications. A buck-boost type active clamping circuit is employed in a configuration that enables the leakage energy to be ...
Helder M. Rodycz, Eloi Agostini Jr.
doaj   +1 more source

Prevalence and Trajectory of Household Material Hardship Among Children With Advanced Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background/Objectives Families of children with advanced cancer living in poverty experience inferior outcomes including poor parent mental health and worse child quality of life. Household material hardship (HMH: food, housing, transportation, and/or utility insecurity) is a modifiable poverty exposure—and potential intervention target—that ...
Sarah Wright   +13 more
wiley   +1 more source

Financial Burden Associated With Hospitalisation Among Families of Childhood Brain Tumours in Australia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim   +8 more
wiley   +1 more source

An interleaved high step‐up DC–DC converter based on coupled‐inductor

open access: yesIET Power Electronics
This paper proposes an interleaved coupled‐inductor high step‐up direct current (DC)–DC converter. This converter uses a coupled inductor (CI), a voltage multiplier (VM) integrated with a regenerative passive lossless clamp circuit to enhance the voltage
Kamran Karimi   +4 more
doaj   +1 more source

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