Results 51 to 60 of about 11,214 (304)
Power loss investigation in HVDC for cascaded H-bridge multilevel inverters (CHB-MLI) [PDF]
, 2015 In the last decade, the use of voltage-source multilevel inverters in industrial and utility power applications has been increased significantly mainly due to the many advantages of multilevel inverters, compared to conventional two level inverters ...
Alamri, B, Darwish, M
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Advanced Engineering Materials, EarlyView.A numerical model resulting from irreversible thermodynamics for describing transport processes is introduced, focusing on thermodynamic activity gradients as the actual driving force for diffusion. Implemented in CUDA C++ and using CalPhaD methods for determining the necessary activity data, the model accurately simulates interdiffusion in aluminum ...
Ulrich Holländer +3 more
wiley +1 more source
Modeling Control and Robustness Assessment of Multilevel Flying-Capacitor Converters
Energies, 2021 When performing AC/DC-DC/AC power conversions, multilevel converters provide several advantages as compared to classical two-level converters. This paper deals with the dynamic modeling, control, and robustness assessment of multilevel flying-capacitor ...
Roberto Zanasi, Davide Tebaldi
doaj +1 more source
A high-efficiency and compact charge pump with charge recycling scheme and finger boost capacitor [PDF]
, 2019 A 16-phase 8-branch charge pump with finger boost capacitor is proposed to increase the power efficiency. Compared with the standard capacitor, the finger capacitor can significantly reduce the parasitic capacitance.
Bauwens, Pieter +3 more
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Advanced Engineering Materials, EarlyView.This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang +3 more
wiley +1 more source
An area-time efficient FPGA-implementation of online finite-set model based predictive controllers for flying capacitor inverters [PDF]
, 2011 Recently there has been an increase in the use of model-based predictive control (MBPC) for power-electronic converters. Especially for flying-capacitor multilevel converters (FCC) this offers an interesting possibility to simultaneously control output ...
Melkebeek, Jan +2 more
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Wide input-voltage range boost three-level DC-DC converter with quasi-Z source for fuel cell vehicles [PDF]
, 2016 To solve the problem of the mismatched voltage levels between the dynamic lower voltage of the fuel cell stack and the required constant higher voltage (400V) of the DC link bus of the inverter for fuel cell vehicles, a Boost three-level DC-DC converter ...
Li, Jing +6 more
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Advanced Engineering Materials, EarlyView.This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional additives on mechanical and thermomechanical properties was examined. Characterization included strength tests, immersion trials, and microstructural and inclusion
Dinesh K. Gunasekar +7 more
wiley +1 more source
Single-Phase PFC Rectifier With Integrated Flying Capacitor Power Pulsation Buffer
IEEE Open Journal of Power Electronics, 2022 Single-phase Power Factor Correction (PFC) rectifiers with sinusoidal grid currents are inherently subject to an input power fluctuating at twice the mains frequency.
David Menzi +4 more
doaj +1 more source
Design and comparison of 11 kV multilevel voltage source converters for local grid based renewable energy systems [PDF]
, 2011 Because the availability of renewable energy is highly variable and the power demand by the consumers could have a very different characteristic, it is very desirable to connect a renewable generation system to the grid.
Dorrell, D, Guo, Y, Islam, MR, Zhu, JG
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