Results 21 to 30 of about 5,567 (265)
Energy flux distributions for direct converters [PDF]
, 1976 Expressions are derived for the relative ion flux in the fans of a mirror fusion reactor. Numerical values are presented for typical reactor parameters.
openaire +2 more sources
MVDC Railway Traction Power Systems; State-of-the Art, Opportunities, and Challenges
Energies, 2021 Advances in voltage-source converters (VSCs), as well as their successful application in VSC-HVDC systems, have motivated growing interests and research in medium-voltage direct current (MVDC) traction power systems (TPSs) for high-speed rail (HSR ...
Patrobers Simiyu, I. E. Davidson
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Overview and Assessment of HVDC Current Applications and Future Trends
Energies, 2022 High voltage direct current (HVDC) technology has begun to gather a high degree of interest in the last few decades, showing a fast evolution of achievable voltage levels, transfer capacities, and transmission lengths.
Andrei Stan +2 more
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Energies, 2019 Stand-alone/grid connected renewable energy systems (RESs) require direct current (DC)/DC converters with continuous-input continuous-output current capabilities as maximum power point tracking (MPPT) converters.
Nahla E. Zakzouk +3 more
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Low-Cost Voltage Zero-Crossing Detector for AC-Grid Applications
Electrical, Control and Communication Engineering, 2014 Renewable energy sources and energy storage devices are becoming more popular. Some of them like small hydropower turbines, wind turbines and diesel generators produce AC voltage with different frequency and voltage than the main grid.
Vorobyov Maxim, Vitols Kristaps
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A Family of Bidirectional DC–DC Converters for Battery Storage System with High Voltage Gain
Energies, 2019 In low power energy storage systems, to match the voltage levels of the low-voltage battery side and high-voltage direct current (DC) bus, a high voltage gain converter with bidirectional operation is required.
Hailong Zhang +3 more
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Applied Sciences, 2020 This editorial manuscript reviews the papers accepted for publication in the Special Issue “DC & Hybrid Microgrids” of Applied Sciences. This Special Issue, co-organized by the University of Pisa, Italy and Østfold University College in Norway, has ...
Sergio Saponara +2 more
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Modeling and Control of Grid Forming Converters: A Systematic Review
IEEE AccessIn electrical power systems where the proportion of synchronous generators (SG) is gradually decreasing, grid-forming (GFM) converters need to be installed and controlled to meet all the system requirements that SGs have provided to date.
Macit Tozak +3 more
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FEBS Letters, EarlyView.Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho +3 more
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电力工程技术Hybrid cascaded ultra high voltage direct current (UHVDC) integrates the advantages of line commutated converters (LCC) and voltage source converters (VSC).
LYU Yanbei +5 more
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