Results 1 to 10 of about 15,145 (245)

ZVS-Optimized Constant and Variable Switching Frequency Modulation Schemes for Dual Active Bridge Converters [PDF]

open access: goldIEEE Open Journal of Power Electronics, 2023
This paper proposes two modulation schemes for Dual Active Bridge (DAB) converters, with the aim of maximizing Zero Voltage Switching (ZVS) operation over a wide operational range.
Dingsihao Lyu   +4 more
doaj   +2 more sources

Performance analysis of ZVS and ZCS boost converters for Solar Photo Voltaic Applications [PDF]

open access: diamondE3S Web of Conferences, 2023
This paper describes a useful modulated, asymmetric full-bridge converter for sustainable solar PV applications. The suggested converter achieves zero-voltage switching (ZVS) on the main side’s power switches and reduces circulating current loss by ...
Gireesh Kumar Devineni   +5 more
doaj   +2 more sources

Light and polyphosphate kinase 2 cooperatively regulate the production of zero-valent sulfur in a deep-sea bacterium [PDF]

open access: yesmSystems
It is well established that different wavelengths of light exist in various deep-sea environments, and many deep-sea microorganisms have evolved specialized mechanisms for sensing and utilizing light energy.
Tianhang Zhang, Ruining Cai, Chaomin Sun
doaj   +2 more sources

A deep‐sea sulfate‐reducing bacterium generates zero‐valent sulfur via metabolizing thiosulfate [PDF]

open access: yesmLife, 2022
Zero‐valent sulfur (ZVS) is a crucial intermediate in the sulfur geobiochemical circulation and is widespread in deep‐sea cold seeps. Sulfur‐oxidizing bacteria are thought to be the major contributors to the formation of ZVS.
Rui Liu   +4 more
doaj   +2 more sources

Unified ZVS strategy for DAB with triple-phase-shift modulation in boost mode

open access: goldThe Journal of Engineering, 2019
In this study, the switching mode and working waveform of dual active bridge (DAB) converter under triple phase-shift modulation scheme is analysed, and an ALL-ZVS (zero voltage switching) control strategy of all devices for full-power range with voltage
Jian Qiu   +4 more
doaj   +2 more sources

Dresden Faculty selection procedure for medical students: what impact does it have, what is the outcome? [] [PDF]

open access: yesGMS Zeitschrift für Medizinische Ausbildung, 2010
[english] Since 2004 German universities have been able to use a selection procedure to admit up to 60 percent of new students. In 2005, the Carl Gustav Carus Faculty of Medicine at Dresden introduced a new admission procedure.
Koch, Thea   +4 more
doaj   +3 more sources

Extension of Zero Voltage Switching Capability for CLLC Resonant Converter [PDF]

open access: yesEnergies, 2019
TheCLLC resonant converter has been widely used to obtaina high power conversion efficiency with sinusoidal current waveforms and a soft switching capability. However, it has a limited voltage gain range according to the input voltage variation.
HwaPyeong Park   +3 more
doaj   +3 more sources

Hybrid SPS Control for ISOP Dual-Active-Bridge Converter Based on Modulated Coupled Inductor With Full Load Range ZVS and RMS Current Optimization in DC Transformer Applications [PDF]

open access: goldIEEE Access, 2022
The Input-serial-output-parallel (ISOP) dual-active-bridge (DAB) converter is an attractive solution to be used as a DC transformer (DCT) in the DC power distribution system.
Xiaoying Chen, Jingtao Xu, Guo Xu
doaj   +2 more sources

Improved ZVS Criterion for Series Resonant Converters [PDF]

open access: goldIEEE Access
Zero voltage switching (ZVS) of power MOSFETs is essential for resonant converters and the ZVS criterion should be formulated appropriately to achieve the ZVS condition. Conventionally, the energy-based criterion has been considered the most accurate ZVS
Chanh-Tin Truong, Sung-Jin Choi
doaj   +2 more sources

ZVS Catalogue

open access: yesПроект Байкал
ZVS Catalogue presents the works submitted to the review competition of the XXIV Interregional Architectural Festival “Zodchestvo in Siberia 2024”.
Елена Григорьева
doaj   +2 more sources

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