Results 21 to 30 of about 378,207 (280)

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

Research of modular multilevel converter with phase-shifted pulse-width modulation [PDF]

open access: yesE3S Web of Conferences, 2021
The work is devoted to the study of performance of a multilevel electric energy converter using phase-shifted pulse-width modulation. Equations describing the state of a dynamic system multilevel converter - load are investigated and a mathematical model
Kozakevych Ihor, Siyanko Roman
doaj   +1 more source

Modular Multilevel Converters [PDF]

open access: yesIEEE Transactions on Industrial Electronics, 2019
The papers in this special section focus on the latest achievements on MMCs regarding the development of new circuit topologies, modeling, operation, and fault analysis. Modular multilevel converters (MMCs) have emerged as an attractive solution for high-voltage high-power applications, such as high-voltage direct current (HVdc) transmission systems ...
Josep Pou   +2 more
openaire   +1 more source

An Overview of Modelling Techniques and Control Strategies for Modular Multilevel Matrix Converters

open access: yesEnergies, 2020
The Modular Multilevel Matrix Converter is a relatively new power converter topology appropriate for high-power Alternating Current (AC) to AC purposes. Several publications in the literature have highlighted the converter capabilities such as modularity,
Matias Diaz   +7 more
doaj   +1 more source

Induction motor drive based on modular-multilevel converter with ripple-power decoupling channels [PDF]

open access: yes, 2022
A driving system for a three-phase variable-speed induction machine-based modular multilevel converter (MMC) with magnetic channels operating at high frequencies-connecting adjacent-arm submodules is displayed in this paper.
Hassan, Turki Kahawish   +3 more
core   +2 more sources

New AC–AC Modular Multilevel Converter Solution for Medium-Voltage Machine-Drive Applications: Modular Multilevel Series Converter

open access: yesEnergies, 2020
Due to its scalability, reliability, high power quality and flexibility, the modular multilevel converter is the standard solution for high-power high-voltage applications in which an AC–DC–AC connection is required such as high-voltage direct-current ...
Gustavo Gontijo   +3 more
doaj   +1 more source

A Novel Cascaded Multilevel Converter Topology Based on Three-Phase Cells—CHB-SDC

open access: yesEnergies, 2020
This paper proposes a new cascaded multilevel converter topology based on three-phase H bridge cells with a common DC-link structure. The proposed multilevel converter topology main advantages, compared with literature renowned multilevel converters ...
Renner Sartório Camargo   +4 more
doaj   +1 more source

Modeling of multilevel converters

open access: yesIEEE Transactions on Industrial Electronics, 1997
In this paper, the imbricated cells multilevel converters are studied and modeled from a control view point. These converters make use of several switches connected in a series, which allows using switches with reduced voltage ratings; these low voltage switches have lower conduction losses and can switch at higher frequency.
Meynard, Thierry   +2 more
openaire   +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

A Hybrid Modular Multilevel Converter with Partial Embedded Energy Storage

open access: yesEnergies, 2016
Modular and cascaded multilevel converters provide a functional solution for the integration of energy storage systems (ESSs). This paper develops a hybrid multilevel converter based on the modular multilevel converter (MMC) that can be functionally ...
Georgios Konstantinou   +3 more
doaj   +1 more source

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