Results 41 to 50 of about 184,428 (267)

Ac–dc Serial-interleaved Boost Converter Applied In A Single-stage Pfc

open access: yesEletrônica de Potência, 2013
This paper presents single-stage power factor corrected (PFC) AC–DC converters based on a modified serial-interleaved boost converter. The topologies are a composition of a modified interleaved boost converter with a DC–DC converter.
Cícero S. Postiglione   +4 more
doaj   +1 more source

Comparative study of CFSI,Trans-CFSI and SL-QSBI

open access: yesAdvances in Electrical and Electronic Engineering, 2020
This paper presents the comparative analysis of the three types of inverters which are Current-Fed Switched Inverter (CFSI), Trans-Current-Fed Switched Inverter (Trans-CFSI), and improved Switched Inductor-Quasi Switched Boosted Inverter (SL-QSBI). Also,
Muhammad Awais Sharif   +5 more
doaj   +1 more source

Two New Common Ground Extended-Boost Active Quasi Z-Source Inverter With Reduced Passive Components

open access: yesIEEE Access, 2023
A high voltage gain inverter is a critical component of any high voltage power system, which feeds from a limited DC source. Numerous inventive solutions proposed to increase the boost factor.
Sohrab Naderi, Hasan Rastegar
doaj   +1 more source

Childhood Acute Lymphoblastic Leukemia Survival in Western Kenya: Reduction in Early Deaths and Treatment Abandonment

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background An earlier study on children diagnosed with acute lymphoblastic leukemia (ALL) at Moi Teaching and Referral Hospital (MTRH) in Kenya reported a low event‐free survival (EFS), excess treatment abandonment, and high induction mortality.
Gilbert Olbara   +7 more
wiley   +1 more source

Parallel Boost Converter for Power Factor Correction

open access: yesInternational Journal of Advanced Research in Science, Communication and Technology, 2022
This paper aims to develop a circuit for PFC using active filtering approach by implementing two boost converters arranged in parallel. It shall be based on an optimised power sharing strategy to improve the current quality and at the same time reduce the switching losses.
null Mr. Utkarsh Anantwar   +1 more
openaire   +1 more source

Consensus Standards and Recommendations for Developmental and Cognitive Surveillance, Screening, and Evaluation in Sickle Cell Disease: Executive Summary From the National Alliance of Sickle Cell Centers Neurocognitive Workgroup

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Neurodevelopmental and neurocognitive difficulties are prevalent among individuals with sickle cell disease and warrant prompt identification and support. This Special Report provides an executive summary of standards and recommendations for surveillance, screening, and evaluation for development and cognition across the lifespan developed by ...
Alyssa M. Schlenz   +12 more
wiley   +1 more source

Review of Converter Circuits with Power Factor Correction

open access: yesTechnologies
This article reviews converter circuits with power factor correction considering issues that arise in implementing such circuits. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) procedure are employed for the review.
Angel Quiroga   +2 more
doaj   +1 more source

Design of Controller for Active Power Factor Correction System Using Metaheuristic Optimization Algorithms [PDF]

open access: yesThe Egyptian International Journal of Engineering Sciences and Technology, 2017
There is an increase in using electronic power converters like rectifiers in industry nowadays. These converters reduce the supply power factor and introduce harmonics into the source.
E Abdullah, h Metwally, S Selem
doaj   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

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