Results 11 to 20 of about 4,258,691 (135)

High efficiency smart voltage regulating module for green mobile computing [PDF]

open access: yes, 2014
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.In this thesis a design for a smart high efficiency voltage regulating module capable of supplying the core of modern microprocessors incorporating dynamic ...
Tapou, Monaf Sabri
core   +7 more sources

A hybrid multilevel converter for medium and high voltage applications [PDF]

open access: yes, 2010
This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled   +4 more
core   +3 more sources

Impact of converter interface type on the protection requirements for DC aircraft power systems [PDF]

open access: yes, 2012
The utilization of converter interfaces has the potential to significantly alter the protection system design requirements in future aircraft platforms.
Burt, Graeme   +3 more
core   +4 more sources

Comparison between two VSC-HVDC transmission systems technologies : modular and neutral point clamped multilevel converter [PDF]

open access: yes, 2009
The paper presents a detail comparison between two voltage source converter high voltage dc transmission systems, the first is based on neutral point-clamped (also known as HVDC-Light) and the second is based on innovative modular multilevel converter ...
Anaya-Lara, O.   +5 more
core   +3 more sources

The Alternate Arm Converter: A New Hybrid Multilevel Converter With DC-Fault Blocking Capability [PDF]

open access: yes, 2013
This paper explains the working principles, supported by simulation results, of a new converter topology intended for HVDC applications, called the alternate arm converter (AAC).
Merlin, Michael MC   +6 more
core   +1 more source

Recent advances in High-Voltage direct-current power transmission systems [PDF]

open access: yes, 2006
The ever increasing progress of high-voltage high-power fully-controlled semiconductor technology continues to have a significant impact on the development of advanced power electronic apparatus used to support optimised operations and efficient ...
Nikolas Flourentzou   +5 more
core   +1 more source

A VSC transmission system using flying capacitor multilevel converters and selective harmonic elimination pWM control [PDF]

open access: yes, 2005
A transmission system based on voltage-source three-level flying capacitor (FC) multilevel converters with selective harmonic elimination pulse-width modulation (SHE-PWM) control is presented in this paper.
Lie Xu   +3 more
core   +1 more source

Z-source converter integrated dc electric spring for power quality improvement in dc microgrid

open access: yesEngineering Science and Technology, an International Journal, 2021
Increasing penetration of renewable energy sources reveals the concept of dc microgrid which has the advantages of low cost and low losses because of the elimination of the AC/DC conversion processes. The most frequently encountered power quality problem
Murat Mustafa Savrun
doaj   +1 more source

On Control Schemes of Voltage Source Converters

open access: yesCoRR, 2021
This work was supported in part by the Department of Energy, Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office, under Award Number DE-EE0008767, and National Science Foundation, under Award Number ECCS ...
Fahmid Sadeque, Tareq Hossen
openaire   +2 more sources

Optimization of Impedance-Source Galvanically Isolated DC–DC Converters With Reduced Number of Switches

open access: yesIEEE Access, 2022
In this study, a new type of Z-source converter comprising galvanic isolation transformers is introduced based on classical non-isolated Z-source converters, which are promising devices for renewable applications. Compared to the typology of conventional
Naser Fakhri   +7 more
doaj   +1 more source

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