Results 11 to 20 of about 7,058,682 (242)

321W average power, 1GHz, 20ps 1060nm pulsed fiber MOPA source [PDF]

open access: yes, 2005
Pulses from a gain-switched laser diode were amplified in a fiber MOPA system to produce in excess of 320W of average power in 20ps pulses at 1GHz repetition rate at ...
M. Ibsen   +19 more
core   +2 more sources

Switched Mode Power Supplies [PDF]

open access: yes, 2008
Práce se zabývá problematikou impulsních (spínaných) zdrojů. Teoretická část obsahuje historický vývoj, porovnání s lineárními regulátory a základní zapojení spínaných zdrojů.
Vysloužil, Michal
core   +2 more sources

Modular Multilevel Converters for Large-Scale Grid-Connected Photovoltaic Systems: A Review

open access: yesEnergies, 2021
The use of photovoltaic (PV) systems as the energy source of electrical distributed generators (DG) is gaining popularity, due to the progress of power electronics devices and technologies.
Saud Alotaibi, Ahmed Darwish
doaj   +1 more source

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

Accurate Extraction of Noise Source Impedance of an SMPS Under Operating Conditions [PDF]

open access: yes, 2010
An accurate measurement method to extract the common mode (CM) and the differential mode (DM) noise source impedances of a switched mode power supply (SMPS) under its operating condition is developed and validated.
See, Kye Yak   +9 more
core   +1 more source

Effect of LED Lighting on Selected Quality Parameters of Electricity

open access: yesSensors, 2023
Recently, various technological light sources have appeared on the market. As a result, it is extremely important to evaluate the characteristics of the available lamps and the impact they may have on the power grid. This article presents regulations and
Agnieszka Wantuch, Michał Olesiak
doaj   +1 more source

A Gliding Arc Microreactor Power Supply System Based on Push–Pull Converter Topology

open access: yesApplied Sciences, 2020
The era of evolution in power electronic systems has led to a widespread displacement of power supplies operating at mains frequencies. Switched-mode power inverters offer possibilities incomparably higher than mains transformers.
Piotr Krupski   +1 more
doaj   +1 more source

A new boost switched capacitor seven‐level grid‐tied inverter

open access: yesIET Power Electronics, 2021
In this paper, a new switched capacitor‐based multilevel inverter structure is suggested. The proposed topology can generate seven‐level output voltage waveform using ten power electronic switches and two floating capacitors.
Yang Gao   +4 more
doaj   +1 more source

Time Dependency of Current Harmonics for Switch-Mode Power Supplies

open access: yesApplied Sciences, 2020
This paper presents the time-dependent variance in the current harmonics emission by power supplies during power quality measurements. Power quality problems are becoming more significant with the adoption of power electronic-based circuits such as power
Muhammad Naveed Iqbal   +5 more
doaj   +1 more source

ANN-Based Reliability Enhancement of SMPS Aluminum Electrolytic Capacitors in Cold Environments

open access: yesEnergies, 2023
Due to their substantial energy density and economical pricing, switching-mode power supplies (SMPSs) often utilize electrolytic capacitors. However, their ability to function at low temperatures is essential for dependable operation in several sectors ...
Sunwoo Jeong   +3 more
doaj   +1 more source

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