Results 61 to 70 of about 1,713,151 (356)

An intracellular transporter mitigates the CO2‐induced decline in iron content in Arabidopsis shoots

open access: yesFEBS Letters, EarlyView.
This study identifies a gene encoding a transmembrane protein, MIC, which contributes to the reduction of shoot Fe content observed in plants under elevated CO2. MIC is a putative Fe transporter localized to the Golgi and endosomal compartments. Its post‐translational regulation in roots may represent a potential target for improving plant nutrition ...
Timothy Mozzanino   +7 more
wiley   +1 more source

Analytical Model of a High-Frequency Rotary Transformer

open access: yesIEEE Access
The permanent magnet synchronous motors are widely used for the propulsion of electric vehicles. These motors have good performance, but result expensive because the permanent magnets installed on their rotor contain rare earths.
Manuele Bertoluzzo   +2 more
doaj   +1 more source

Analysis of Unidirectional Secondary Resonant Single Active Bridge DC–DC Converter

open access: yesEnergies, 2021
A compact and highly efficient unidirectional DC–DC converter is required as a battery charger for electrical vehicles, which will rapidly become widespread in the near future.
Cao Anh Tuan, Takaharu Takeshita
doaj   +1 more source

Hybrid, multi-megawatt HVDC transformer topology comparison for future offshore wind farms [PDF]

open access: yes, 2017
With the wind industry moving further offshore, High Voltage Direct Current (HVDC) transmission is becoming increasingly popular. HVDC transformer substations are not optimized for the offshore industry though, increasing costs and reducing redundancy. A
Abusara, Mohammad   +5 more
core   +1 more source

Hematopoietic (stem) cells—The elixir of life?

open access: yesFEBS Letters, EarlyView.
The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo   +4 more
wiley   +1 more source

High Frequency Transformer Modelling

open access: yes, 2016
The aim of this poster is to describe the “Grey box" transformer model based on the basic geometry of the transformer which is suitable for calculation of transmitted overvoltages through the transformer in the time domain.
Jurišić, Bruno   +3 more
openaire   +2 more sources

Improved Multi-Conductor Transmission Line Modeling of Transformer to Study Frequency Response [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering
This paper introduces an improved multi-conductor transmission line (MTL) model for transformers' high-frequency transient and frequency response analysis, overcoming limitations in traditional models that fail to capture complex electromagnetic ...
Ali Esmaeilvandi   +2 more
doaj  

Analysis and Output Power Control of Unidirectional Secondary-Resonant Single-Active-Half-Bridge DC-DC Converter

open access: yesEnergies, 2021
Development of high-frequency-isolated DC-DC converters is underway for charging and discharging electric vehicle batteries. As a charger, a Single Active Bridge (SAB) converter, which is composed of a primary full-bridge converter, a high-frequency ...
Cao Anh Tuan, Takaharu Takeshita
doaj   +1 more source

Developments for the high frequency power transformer design and implementation [PDF]

open access: yes, 2003
The thesis considers design and manufacturing of ferrite based high frequency power transformers. The primary aim of the work was to study core and winding losses and in particular thermal modeling of high frequency power transformers and to determine ...
Sippola, Mika
core  

Analysis and design of a modular multilevel converter with trapezoidal modulation for medium and high voltage DC-DC transformers [PDF]

open access: yes, 2015
Conventional dual active bridge topologies provide galvanic isolation and soft-switching over a reasonable operating range without dedicated resonant circuits.
Adam, Grain P.   +4 more
core   +2 more sources

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