Results 31 to 40 of about 6,083 (263)

Control scheme towards enhancing power quality and operational efficiency of single-phase two-stage grid-connected photovoltaic systems

open access: yesJournal of Electrical Systems and Information Technology, 2015
Achieving high reliable grid-connected photovoltaic (PV) systems with high power quality and high operation efficiency is highly required for distributed generation units.
Mahmoud Salem, Yousry Atia
doaj   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

A three‐stage switching MMC topology for capacitor voltage ripple reduction in HVDC applications

open access: yesIET Generation, Transmission & Distribution, 2023
Modular multi‐level converters (MMCs) are a mainstay in many HVDC transmission projects worldwide. Half‐bridge MMC (HB‐MMC) is mostly used in the current project. The large capacitor of sub modules (SMs) is often required in MMC to ensure the low voltage
Qiang Fan   +4 more
doaj   +1 more source

Input current ripple reduction of DC/DC converters

open access: yesEnergy Reports, 2023
The input current ripple problem of DC/DC converters receives more and more attention recently. To meet the increasingly demanding requirements, the fundamental components of the current ripple are researched and the corresponding current ripple ...
Xinyi Zhu   +6 more
doaj   +1 more source

Evaluation of DC-Link Voltage Switching Ripple in Multiphase PWM Voltage Source Inverters [PDF]

open access: yesIEEE Transactions on Power Electronics, 2020
This paper presents a generalized approach towards the dc-link voltage switching ripple analysis in two-level multiphase PWM voltage source inverters with balanced load. Since voltage ripple is one of the crucial sizing criteria for dc-link capacitor, simple and practical equation for designing the dc-link capacitor, based on the maximum (peak-to-peak)
Marija Vujacic   +2 more
openaire   +1 more source

Linking neurogenesis, oligodendrogenesis, and myelination defects to neurodevelopmental disruption in primary mitochondrial disorders

open access: yesFEBS Letters, EarlyView.
Mitochondrial remodeling shapes neural and glial lineage progression by matching metabolic supply with demand. Elevated OXPHOS supports differentiation and myelin formation, while myelin compaction lowers mitochondrial dependence, revealing mitochondria as key drivers of developmental energy adaptation.
Sahitya Ranjan Biswas   +3 more
wiley   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

Integrated optimization of loss distribution and capacitor voltage ripple for MMC devices

open access: yes电力工程技术
Under inverter operating conditions, significant loss is incurred by the insulated gate bipolar transistor (IGBT) (referred to as T2 tube) in the lower part of the half-bridge submodule.
SU Tiantian   +4 more
doaj   +1 more source

TRAIL‐PEG‐Apt‐PLGA nanosystem as an aptamer‐targeted drug delivery system potential for triple‐negative breast cancer therapy using in vivo mouse model

open access: yesMolecular Oncology, EarlyView.
Aptamers are used both therapeutically and as targeting agents in cancer treatment. We developed an aptamer‐targeted PLGA–TRAIL nanosystem that exhibited superior therapeutic efficacy in NOD/SCID breast cancer models. This nanosystem represents a novel biotechnological drug candidate for suppressing resistance development in breast cancer.
Gulen Melike Demirbolat   +8 more
wiley   +1 more source

Research on Calculation Method of DC Side Capacitor Ripple Components for Three-level Inverter

open access: yesKongzhi Yu Xinxi Jishu, 2020
Ripple current of DC side capacitor affects capacity selection and life of a capacitor, and ripple voltage of capacitor affects the voltage that power device needs to bear, so analysis of capacitor ripple components is very important for the design of ...
ZHANG Honghao   +4 more
doaj  

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