Results 21 to 30 of about 280,472 (288)

VSC transmission system using flying capacitor multilevel converters and hybrid PWM control [PDF]

, 2007
A high-voltage direct current (HVDC) transmission system based on three-level flying capacitor (FC) multilevel converters with hybrid pulse-width modulation (PWM) is presented in this paper.
Agelidis, V.G., Xu, L.
core   +1 more source

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

, 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, Green, Tim C, Critchley, Roger, Crookes, Will, Hassan, Fainan, Mitcheson, Paul D, Trainer, David R   +6 more
core   +1 more source

Integrated PV and multilevel converter system for maximum power generation under partial shading conditions [PDF]

, 2013
The emerging trend towards the harnessing of the electrical power from solar energy has increased the research effort in power electronics applications.
Abdalla, Imadeddin Abdalla
core   +6 more sources

A Review on State-of-the-Art Power Converters: Bidirectional, Resonant, Multilevel Converters and Their Derivatives

Applied Sciences, 2021
With the rapid development of modern energy applications such as renewable energy, PV systems, electric vehicles, and smart grids, DC-DC converters have become the key component to meet strict industrial demands. More advanced converters are effective in
Salah Alatai, Mohamed Salem, Dahaman Ishak, Himadry Shekhar Das, Mohammad Alhuyi Nazari, Ali Bughneda, Mohamad Kamarol   +6 more
doaj   +1 more source

Bandwidth considerations for multilevel converters [PDF]

, 1999
Multilevel converters can achieve an overall effective switch frequency multiplication and consequent ripple reduction through the cancellation of the lowest order switch frequency terms.
Walker, Geoffrey, Ledwich, Gerard
core   +1 more source

Selective Harmonic Elimination Technique for a 27-Level Asymmetric Multilevel Converter

Energies, 2022
In this paper, we present an implementation of selective harmonic elimination modulation technique in a 27-Level asymmetric multilevel converter. The main issue in this kind of converters is the generation of the gating patterns to obtain an optimized AC
Ignacio Torres, Javier Muñoz, Diego Rojas, Eduardo E. Espinosa   +3 more
doaj   +1 more source

On the Partitioning of MMC Control Systems Using Graph Theory

IEEE Open Journal of Power Electronics, 2022
Control systems of modular multilevel converters can be partitioned into several levels. Such partitioning is becoming relevant in multi-vendor high-voltage direct-current systems where one party may deliver the converter hardware and associated control,
Ilka Jahn, Geraint Chaffey, Eduardo Prieto-Araujo, Melanie Hoffmann, Rodrigo Alvarez, Antonello Monti   +5 more
doaj   +1 more source

Seven levels highly efficient modular multilevel matrix converter (M3C) for low frequency three-phase AC-AC conversion

Automatika, 2023
An Innovative Modular multilevel matrix converter (M3C) is proposed with reduced number of switching device owing to the improved efficiency, reduced cost and minimizes the size.
V. Karpagam, N. Narmadhai
doaj   +1 more source

An Overview of Applications of the Modular Multilevel Matrix Converter

Energies, 2020
The modular multilevel matrix converter is a relatively new power converter topology suitable for high-power alternating current (AC)-to-AC applications.
Matias Diaz, Roberto Cárdenas Dobson, Efrain Ibaceta, Andrés Mora, Matias Urrutia, Mauricio Espinoza, Felix Rojas, Patrick Wheeler   +7 more
doaj   +1 more source

Efficiency Performance of 7-Level Multiplexed and 3-Level Neutral Point Clamped (NPC) Converters

Energies
In medium-voltage AC applications, multilevel converters are essential due to their ability to achieve high efficiency and significantly reduce total harmonic distortion (THD), ensuring improved performance and power quality.
Shafquat Hussain, Simone Cosso, Massimiliano Passalacqua, Luis Ramon Vaccaro, Andrea Formentini, Mario Marchesoni   +5 more
doaj   +1 more source