Results 21 to 30 of about 148,673 (288)

High Frequency Transformer Design and Optimization using Bio-inspired Algorithms

open access: yesApplied Artificial Intelligence, 2018
High frequency (HF) transformer at the isolation stage of SST plays a vital role in deciding the power conversion efficiency of the SST system. This paper proposes a new design procedure for optimization of HF transformer used in SST applications such ...
Jeyapradha Ravichandran Banumathy   +1 more
doaj   +1 more source

Modelling of High Frequency Converter Transformer with Floating Active Inductor

open access: yesElektronika ir Elektrotechnika, 2018
As number of digital electronics and power electronics based devices has risen recently, the fields of application for high frequency transformers have been increased.
Mustafa Konal   +3 more
doaj   +1 more source

Monolithic flux transformer-coupled high-Tc dc SQUID magnetometers [PDF]

open access: yes, 1995
YBa/sub 2/Cu/sub 3/O/sub 7-x/ based monolithic flux transformer-coupled high-T/sub c/ DC SQUID magnetometers operating up to 73 K have been realized. The devices are characterized by high values of the modulation voltage, up to 32 /spl mu/V at 40 K.
Brons, G.C.S.   +4 more
core   +2 more sources

Investigation of the Coupling Paths of a Galvanically Isolated AC/AC Converter [PDF]

open access: yes, 2007
A galvanically isolated three-phase AC/AC converter with a high-frequency AC-link has been analyzed from an EMC point of view. This is a special configuration because of a large number of switches, a high frequency transformer, and a fourwire output. The
Ferreira, Braham   +4 more
core   +2 more sources

Frequencies Dominations for Different Rating of Distribution Transformer under Transients [PDF]

open access: yes, 2020
Power transients faults on high voltage lines are prominently due to high frequency transients. These transients affect the predicted life and efficiency of equipment.
Faisal, Haseeb   +3 more
core  

A New Modular Multilevel AC/AC Converter Using HF Transformer

open access: yesIEEE Access, 2020
This paper proposes a new modular multilevel AC/AC converter using high-frequency (HF) transformer, which has the advantages of modular design, easy expansion, high power density, no circulation current, good output voltage waveform quality and low cost.
Yongqing Meng   +6 more
doaj   +1 more source

Low Voltage Power Supply Incorporating Ceramic Transformer [PDF]

open access: yes, 2007
A low voltage power supply provides the regulated output voltage of 1 V from the supply voltage around 48 V. The low voltage power supply incorporates a ceramic transformer which utilizes piezoelectric effect to convert voltage.
Imori, M, Kanada, Y
core   +1 more source

Convolution-Transformer Adaptive Fusion Network for Hyperspectral Image Classification

open access: yesApplied Sciences, 2022
Hyperspectral image (HSI) classification is an important but challenging topic in the field of remote sensing and earth observation. By coupling the advantages of convolutional neural network (CNN) and Transformer model, the CNN–Transformer hybrid model ...
Jiaju Li   +5 more
doaj   +1 more source

Efficient implementation of 90 degrees phase shifter in FPGA [PDF]

open access: yes, 2011
In this article, we present an efficient way of implementing 90 phase shifter using Hilbert transformer with canonic signed digit (CSD) coefficients in FPGA. It is implemented using 27-tap symmetric finite impulse response (FIR) filter.
Bauwelinck, Johan   +2 more
core   +2 more sources

Electric Field Simulations and Analysis for High Voltage High Power Medium Frequency Transformer

open access: yesEnergies, 2017
The electronic power transformer (EPT) raises concerns for its notable size and volume reduction compared with traditional line frequency transformers.
Pei Huang, Chengxiong Mao, Dan Wang
doaj   +1 more source

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