Results 81 to 90 of about 967,927 (282)
, 2018 Modular Multilevel Converter (MMC) is one of the most promising converter topology in medium/high-voltage applications. Reduction of capacitor voltage ripple during unbalanced grid conditions is very important for stable operation.
Wang, Songda +2 more
core +1 more source
Heteroengineering‐Induced Electronic Reconstruction for Ammonium‐Ion Energy Storage
Advanced Functional Materials, EarlyView.An integrated electronic reconstruction behavior is induced by local heteroengineering on VO2(B) electrode material surface of NH4+ supercapacitor, rationally modulating the electronic structure, enabling enhanced intrinsic conductivity and extra driving force for NH4+ intercalation reaction.
Ji‐Chi Liu +11 more
wiley +1 more source
Influence of aging on electrolytic capacitors function in static converters: Fault prediction method
, 1999 International audienceThe failure of electrolytic capacitors is the cause of most breakdowns of static converters. The function of these capacitors is to filter and to store electrical energy.
Lahyani, Amine +3 more
core +5 more sources
Symbolic modelling and design of parallel capacitors in dc-dc converters
, 2010 This paper presents a novel method for the design of filter capacitors of dc-dc switching regulators, using a combination of ceramic and electrolytic capacitors.
DE NARDO, ANTONIETTA +7 more
core +1 more source
Mechanical Strain Tunes Proton Chemistry at Oxide–Water Interfaces
Advanced Functional Materials, EarlyView.Strain dependence of interfacial water dissociation at the anatase TiO2${\rm TiO}_2$(101)–water interface. Left and middle panels show top‐view snapshots of the interfacial water layer at 0% and +4% biaxial strain; right panel shows the time evolution of the instantaneous dissociated fraction over the molecular dynamics trajectory for strains of 0 ...
Zheng Yu +3 more
wiley +1 more source
Loss comparison of 2 and 3-level inverter topologies
, 2010 This paper investigates semiconductor and DC-link capacitor losses in two two-level and two three-level voltage source inverters. The components of the four inverters are selected to have appropriate voltage and current ratings.
Orfanoudakis, G. +3 more
core +1 more source
An Enhanced Modular Multilevel Converter for the mitigation of the capacitor voltage Ripple
Jordan Journal of Electrical EngineeringAbstract : Ripple in the module voltage is the common issue in the modular multilevel converter (MMC). To rectify this issue, an enhanced MMC has been implemented in this paper. The proposed converter contains the enhanced the auxiliary circuit which is placed in between the arms of the converter and this converter operated at fundamental and below the
openaire +1 more source
Digitally Printed Eco‐Friendly Electronic Devices
Advanced Functional Materials, EarlyView.Fabrication of electronics using eco‐friendly materials through digital printing routes is a promising strategy for improving life cycle sustainability and reducing the environmental impacts of conventional manufacturing. This review highlights state‐of‐the‐art eco‐friendly materials, green ink formulations, various resource‐efficient digital printing ...
Nitheesh M. Nair +5 more
wiley +1 more source
Selection and Application of DC-link Capacitor for Mine-used 2-quadrant Frequency Converter
Gong-kuang zidonghua, 2011 Based on special characteristics of mine-used 2-quadrant frequency converter and analysis and calculation of ripple current and ripple voltage of DC-link capacitor of frequency converter, a simple and easy selection method of DC-link capacitor was ...
ZHUANG De-yu
doaj
Ripple Vector Cancellation Modulation Strategy for Single-Phase Quasi-Z-Source Inverter
Energies, 2019 The double-frequency (2ω) power flows through the DC side of the single-phase quasi-Z-source inverter (QZSI) leads to the 2ω voltage ripple of capacitors and 2ω current ripple of inductors.
Yufeng Tang +3 more
doaj +1 more source