Results 41 to 50 of about 1,456,033 (337)

A hybrid modular multilevel converter for medium-voltage variable-speed motor drives [PDF]

, 2017
Modular multilevel converters (MMC) have revolutionized the voltage-sourced converter-based high-voltage direct current transmission, but not yet got widespread application in medium-voltage variable-speed motor drives, because of the large capacitor ...
Finney, Stephen J., Li, Binbin, Williams, Barry W., Xu, Dianguo, Zhou, Shaoze   +4 more
core   +1 more source

A high step‐up high step‐down coupled inductor based bidirectional DC–DC converter with low voltage stress on switches

IET Power Electronics
This paper proposes, a novel soft‐switching bidirectional direct current to direct current (DC–DC) converter based on switched‐capacitor and coupled‐inductor.
Pouya Abolhassani, Mohammad Maalandish, Ali Nadermohammadi, M. Sharifian, M. Feyzi, S. Hosseini   +5 more
semanticscholar   +1 more source

Coupled‐inductor‐based high‐gain converter utilising magnetising inductance to achieve soft‐switching with low voltage stress on devices

IET Power Electronics, 2020
This work proposes a soft-switched quadratic quadrupler boost converter with high voltage step up gain and low voltage stress on devices. With this converter topology, high voltage gain is achieved at low duty ratio operation of MOSFETs and few number ...
P. Upadhyay, Rajneesh Kumar, Shelas Sathyan   +2 more
semanticscholar   +1 more source

Charging and Discharging Processes in AlN Dielectric Films Deposited by Plasma Assisted Molecular Beam Epitaxy [PDF]

, 2012
In the present work the electrical properties of AlN polycrystalline films deposited at low temperatures by plasma-assisted molecular beam epitaxy (PA-MBE) are investigated.
Adikimenakis, A., Georgakilas, A., Konstantinidis, G., Koutsoureli, M., Michalas, L., Pantazis, A., Papaioannou, G., Papandreou, E.   +7 more
core   +1 more source

Evidence for realignment of the charge density wave state in ErTe$_3$ and TmTe$_3$ under uniaxial stress via elastocaloric and elastoresistivity measurements

, 2022
We report the evolution of a charge density wave (CDW) state in the quasi-2D rare-earth tritellurides ($R$Te$_3$ for $R$=Er,Tm) as a function of in-plane uniaxial stress.
Fisher, I. R., Ikeda, M. S., Straquadine, J. A. W.   +2 more
core   +1 more source

An Enhanced Hybrid Switching-Frequency Modulation Strategy for Fuel Cell Vehicle Three-Level DC-DC Converters with Quasi-Z Source

Energies, 2018
For fuel cell vehicles, the fuel cell stack has a soft output characteristic whereby the output voltage drops quickly with the increasing output current. In order to interface the dynamic low voltage of the fuel cell stack with the required constant high
Yun Zhang, Jilong Shi, Chuanzhi Fu, Wei Zhang, Ping Wang, Jing Li, Mark Sumner   +6 more
doaj   +1 more source

Time dependent dielectric breakdown and stress induced leakage current characteristics of 8Å EOT HfO2 N-MOSFETS [PDF]

, 2010
In this work we present the time dependent dielectric breakdown (TDDB) characteristics of LaO capped HfO2 layers with an equivalent oxide thickness of 8Å. The layers show maximum operating voltages in excess of 1V. Such high reliability can be attributed
Hughes, Greg, Kauerauf, Thomas, O'Connor, Robert, Ragnarsson, Lars-Ake   +3 more
core   +1 more source

Gate stability of GaN-Based HEMTs with P-Type Gate [PDF]

, 2016
status ...
Decoutere, S., Marcon, D., Meneghesso, Gaudenzio, Meneghini, Matteo, Posthuma, N., Rizzato, V., Rossetto, Isabella, Stoffels, S., Van Hove, M., Wu, T. L., Zanoni, Enrico   +10 more
core   +2 more sources

Single-Switch Soft-Switched High Voltage Gain Converter With Low Voltage Stress and Continuous Input Current

IEEE Open Journal of Power Electronics
This paper introduces a soft-switched high step-up converter applicable to photovoltaic systems. In the proposed topology, to further improve the voltage gain and reduce the components voltage stress, coupled inductors and voltage multiplier cell (VMC ...
Mohammad Reza Gholami, Siamak Khalili, Hosein Farzanehfard, Ehsan Adib, Hani Vahedi   +4 more
doaj   +1 more source

A High Gain Two-Winding Switched Coupled-Inductor Network

International Transactions on Electrical Energy Systems, 2022
Summary. This paper proposes a new high-gain quasi-Z-source network (qZSN) with a switched-coupled-inductor (SCL). By employing a two-winding SCL within the impedance network, the proposed topology offers high voltage gains with relatively low shoot ...
Mehran Moslehi Bajestan, Saeed Sharifi, Mohammad Ali Shamsinejad   +2 more
doaj   +1 more source