Results 21 to 30 of about 20,786 (207)

Isolated Flying Capacitor Multilevel Converters

open access: yesIEEE Open Journal of Power Electronics, 2022
This paper presents the topology known as the isolated flying capacitor multilevel flyback converter (FCMFC). The topology uses isolated flying capacitors (FC) for high-gain, DC-DC power conversion while maintaining primary-secondary isolation and ...
Santino F. Graziani   +2 more
doaj   +1 more source

Five-Level T-type Cascade Converter for Rooftop Grid-Connected Photovoltaic Systems

open access: yesEnergies, 2019
Multilevel converters are widely considered to be the most suitable configurations for renewable energy sources. Their high-power quality, efficiency and performance make them interesting for PV applications.
Cristian Verdugo   +5 more
doaj   +1 more source

Modular Multilevel Converters: Recent Achievements and Challenges

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2021
The modular multilevel converter (MMC) is currently one of the power converter topologies which has attracted more research and development worldwide. Its features, such as high quality of voltages and currents, high modularity and high voltage rating ...
Marcelo A. Perez   +4 more
doaj   +1 more source

Analysis and design of a modular multilevel converter with trapezoidal modulation for medium and high voltage DC-DC transformers [PDF]

open access: yes, 2015
Conventional dual active bridge topologies provide galvanic isolation and soft-switching over a reasonable operating range without dedicated resonant circuits.
Adam, Grain P.   +4 more
core   +2 more sources

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

A novel space-vector algorithm for multilevel converters based on geometrical considerations using a new sequence control technique [PDF]

open access: yes, 2004
his paper presents a fast and simple space vector modulation algorithm for voltage source multilevel converters for calculating the switching times and the space vectors using simple geometrical considerations.
Carrasco Solís, Juan Manuel   +4 more
core   +1 more source

A T-Type Modular Multilevel Converter [PDF]

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
This article proposes a novel modular multilevel converter (MMC) named 'T-type MMC' (T-MMC) for reliable, controllable, and efficient performance in energy conversion applications. Circuitry configurations and control structures are presented with respect to fundamental and additional functions.
Shuren Wang   +2 more
openaire   +3 more sources

A cascaded H-bridge BLDC drive incorporating battery management [PDF]

open access: yes, 2007
A multilevel BLDC drive is proposed using cascaded H-bridges with isolated sources to provide superior output waveforms and reduced current ripple whilst incorporating observer based SoC estimation.
Bingham, Chris   +3 more
core   +1 more source

An On-line Diagnostic Method for Open-circuit Switch Faults in NPC Multilevel Converters [PDF]

open access: yes, 2016
On-line condition monitoring is of paramount importance for multilevel converters used in safety-critical applications. A novel on-line diagnostic method for detecting open-circuit switch faults in neutral-point-clamped (NPC) multilevel converters is ...
Demerdash, Nabeel, He, Jiangbiao
core   +2 more sources

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

open access: yesEnergies, 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   +3 more
doaj   +1 more source

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