Results 41 to 50 of about 38,304 (259)

Developed cascaded multilevel inverter topology to minimise the number of circuit devices and voltage stresses of switches [PDF]

open access: yes, 2014
In this study, a novel structure for cascade multilevel inverter is presented. The proposed inverter can generate all possible DC voltage levels with the value of positive and negative.
Adjami, Ali   +3 more
core   +1 more source

Design Considerations for a Voltage-Boosting DC-AC Modular Multilevel Converter [PDF]

open access: yes, 2015
The Modular Multilevel Converter (M2C) is a relatively recent addition to the family of multilevel power converters. This paper describes the topology, dynamic phasor modeling, and operation of a voltage boosting DC-AC Modular Multilevel Converter.
Ramírez Prieto, Dionisio   +3 more
core   +1 more source

A three-phase multilevel converter with multi-winding medium-frequency transformer

open access: yesGong-kuang zidonghua, 2014
In view of problems of unbalanced capacitor voltage, or big volume and high cost of phase-shifting transformer which provides DC power existed in traditional multilevel converter, the paper proposed a three-phase multilevel converter based on cascaded H ...
ZHANG Yulei, ZHANG Yuxiang, GUO Mi
doaj   +1 more source

Analysis and Investigation of Hybrid DC–DC Non-Isolated and Non-Inverting Nx Interleaved Multilevel Boost Converter (Nx-IMBC) for High Voltage Step-Up Applications: Hardware Implementation

open access: yesIEEE Access, 2020
In significant cases, the generated voltage needs to be step-up with high conversion ratio by using the DC-DC converter as per the requirement of the load. The drawbacks of traditional boost converter are it required high rating semiconductor devices and
Mahajan Sagar Bhaskar   +5 more
doaj   +1 more source

Modeling and Experimental Evaluation of Z-Source Modular Multilevel Converter Using Reduced Inserted Cells Technique

open access: yesIEEE Access, 2021
The integration of a Z-source network with a modular multilevel converter (MMC) to provide voltage step-up function is proposed in this paper. The proposed Z-source modular multilevel converter (ZS-MMC) uses a Z-source network connected between the DC ...
Fatma A. Khera   +2 more
doaj   +1 more source

Neutral-point-clamped hybrid multilevel converter with DC fault blocking capability for medium-voltage DC transmission

open access: yesJournal of Modern Power Systems and Clean Energy, 2017
This paper proposes a novel hybrid multilevel converter with DC fault-blocking capability, i.e., the neutral-point clamped hybrid multilevel converter (NHMC).
Xinyu YU   +5 more
doaj   +1 more source

Grid Integration of Offshore Wind Farms Using Modular Marx Multilevel Converters [PDF]

open access: yes, 2012
This paper proposes the use of a Modular Marx Multilevel Converter, as a solution for energy integration between an offshore Wind Farm and the power grid network.
Encarnação, Luís   +3 more
core   +2 more sources

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

A back to back multilevel converter for driving low inductance brushless AC machines [PDF]

open access: yes, 2007
Traditionally, multilevel converters are utilised in medium voltage applications, allowing the DC-link voltage to exceed the switch maximum blocking voltage.
Bingham, Chris   +3 more
core   +1 more source

Modular Multilevel Converters: Control and Applications [PDF]

open access: yesEnergies, 2017
This review article is mainly oriented to the control and applications of modular multilevel converters (MMC). The main topologies of the switching modules are presented, for normal operation and for the elimination of DC faults. Methods to keep the capacitor voltage balanced are included.
Fernando Martinez-Rodrigo   +4 more
openaire   +4 more sources

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