Results 21 to 30 of about 64,210 (348)

Wavelength conversion up to 18 nm at 10 Gb/s by four-wave mixing in a semiconductor optical amplifier [PDF]

open access: yes, 1997
We characterize the conversion bandwidth of a four-wave mixing semiconductor optical amplifier wavelength converter. Conversion of 10-Gb/s signals with bit-error-rate (BER) performance of
Geraghty, David F.   +5 more
core   +1 more source

A mathematical model of the three-phase AC to DC voltage converter with fourzone voltage control and active-inductive load

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2021
The article focuses on electromagnetic processes in electric circuits with semiconductor switches. A mathematical model of a semiconductor converter with four-zone output voltage control has been created so as to analyse electromagnetic processes in ...
В. Михайленко   +2 more
doaj   +1 more source

Active power losses distribution methods for the modular multilevel converter [PDF]

open access: yes, 2016
Modular Converters such as the MMC have become the new standard in VSC-HVDC applications. Their modularity has brought many industrial advantages but also increased the complexity of their operation.
Merlin, MMC, Mitcheson, PD
core   +1 more source

EFFICIENCY EVALUATION TECHNIQUE OF THE SEMICONDUCTOR DC-DC CONVERTER APPLICATION IN THE POWER-SUPPLY SYSTEM

open access: yesElectrical engineering & Electromechanics, 2016
Purpose. To specify efficiency evaluation of the DС-DC power semiconductor converter application in the power-supply system. Methodology. We have chosen application version of converter and then used the statistical modeling of DC-DC converter for its ...
M. A. Poliakov, T. Y. Larionova
doaj   +1 more source

Wavelength conversion for WDM communication systems using four-wavemixing in semiconductor optical amplifiers [PDF]

open access: yes, 1997
Four-wave mixing (FWM) in semiconductor optical amplifiers is an attractive mechanism for wavelength conversion in wavelength-division multiplexed (WDM) systems since it provides modulation format and bit rate transparency over wide tuning ranges.
Geraghty, David F.   +5 more
core   +1 more source

Non-isolated high gain DC-DC converter by quadratic boost converter and voltage multiplier cell

open access: yesAin Shams Engineering Journal, 2018
A novel non-isolated DC-DC converter is proposed by combining quadratic boost converter with voltage multiplier cell. The proposed converter has low semiconductor device voltage stress and switch utilization factor is high.
J. Divya Navamani   +2 more
doaj   +1 more source

Radiation Risks and Mitigation in Electronic Systems [PDF]

open access: yes, 2016
Electrical and electronic systems can be disturbed by radiation-induced effects. In some cases, radiation-induced effects are of a low probability and can be ignored; however, radiation effects must be considered when designing systems that have a high ...
Todd, B., Uznanski, S.
core   +3 more sources

Comparative Analysis of Semiconductor Power Losses of Galvanically Isolated Quasi-Z-Source and Full-Bridge Boost DC-DC Converters

open access: yesElectrical, Control and Communication Engineering, 2015
This paper compares semiconductor losses of the galvanically isolated quasi-Z-source converter and full-bridge boost DC-DC converter with active clamping circuit. Operation principle of both converters is described.
Kosenko Roman   +3 more
doaj   +1 more source

Design Methodology for a Very High Frequency Resonant Boost Converter [PDF]

open access: yes, 2012
This paper introduces a design methodology for a resonant boost converter topology that is suitable for operation at very high frequencies. The topology we examine features a low parts count and fast transient response, but suffers from higher device ...
Burkhart, Justin M.   +2 more
core   +1 more source

ANALYTICAL AND MODEL STUDY OF ACTIVE SEMICONDUCTOR CONVERTER IN ELECTRICAL DRIVE SYSTEMS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2014
Mathematical description of the active semiconductor converter based on the main (smooth) component method and method of resulting vector is proposed.
S. G. German-Galkin   +2 more
doaj  

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