Telling the Truth May Not Pay Off: An Empirical Study of Centralised University Admissions in Germany [PDF]
We investigate the matching algorithm used by the German central clearinghouse for university admissions (ZVS) in medicine and related subjects. This mechanism consists of three procedures based on final grades from school (“Abiturbestenverfahren ...
Dorothea Kübler +2 more
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IEEE Open Journal of Power ElectronicsUnfolding-based single-stage ac-dc converters offer benefits in terms of efficiency and power density due to the low-frequency operation of the Unfolder, resulting in negligible switching losses.
SHUBHANGI GURUDIWAN +3 more
doaj +1 more source
Stability Testing and Analysis of a PMAD DC Test Bed for the Space Station Freedom [PDF]
The Power Management and Distribution (PMAD) DC Test Bed at the NASA Lewis Research Center is introduced. Its usefulness to the Space Station Freedom Electrical Power (EPS) development and design are discussed in context of verifying system stability ...
Brush, Andrew S., Button, Robert M.
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Success in the University Admission Process in Germany: Regional Provenance Matters [PDF]
School education in Germany is under the responsibility of the federal states and as a consequence average grades differ widely across regions. Since school leavers apply nationwide for admission to university, regional provenance may thus matter a lot ...
Nadja Dwenger, Sebastian Braun
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IEEE Open Journal of Industry ApplicationsTriple active bridge converter, an isolated multiport converter, connects three dc ports via a three-terminal high-frequency transformer, enabling zero voltage switching (ZVS) without the need for additional snubber circuits.
Ahmed A. Ibrahim +5 more
doaj +1 more source
Study of Commutation Regime for Phase Shift Series Resonant Inverters [PDF]
Journal of Electrical and Electronics Engineering, 2016 Some typical applications of series resonant inverters refers to the development of power supplies for the inductive heating field. Phase shift method is of a great interest for the command of the above mentioned inverters. Concerning this command method,
TOMȘE Marin T, GORDAN Cornelia E
doaj
A Reflex Charger with ZVS and Non-Dissipative Cells for Photovoltaic Energy Conversion
Energies, 2015 In this paper, a reflex charger with zero-voltage-switching (ZVS) and non-dissipative cells for photovoltaic (PV) energy conversion is presented. The proposed reflex charger has the following advantages: (1) A ZVS cell is incorporated to reduce the ...
Cheng-Tao Tsai +3 more
doaj +1 more source
Analysis and Design of Filament Power Supply with Voltage-Fed Single-Switch ZVS Inverter
E3S Web of Conferences, 2018 In this paper, an off-line voltage-fed single-switch zero-voltage-switching (ZVS) inverter is analyzed and designed for the filament power supply of cooker magnetrons.
Yueh-Ru Yang
doaj +1 more source
University rankings in action? The importance of rankings and an excellence competition for university choice of high-ability students? [PDF]
This paper analyzes how high-ability students respond to different indicators of university quality when applying for a university. Are some quality dimensions of a ranking, e.g. research reputation or mentoring more important than others?
Horstschräer, Julia
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A Current-Dependent Switching Strategy for Si/SiC Hybrid Switch-Based Power Converters [PDF]
, 2017 : Hybrid switches configured by paralleling Silicon (Si) Insulated Gate Bipolar Transistors (IGBT) and Silicon Carbide (SiC) Metal-Oxide Semiconductor Field-Effect Transistors (MOSFET) have been verified to be a high-efficiency cost-effective device ...
He, Jiangbiao +2 more
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