Articles with "multilevel converter" as a keyword



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Comparative analysis of modular multilevel converter with different modulation technique for control of induction motor drive

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Published in 2018 at "Microsystem Technologies"

DOI: 10.1007/s00542-017-3692-2

Abstract: Modular multilevel converter (MMC) is an enhanced multilevel converter topology. It is widely used in research nowadays for its superior performance in high-voltage high-power applications. Modification is suggested in conventional MMC topology by connecting a… read more here.

Keywords: technique; modulation; topology; motor ... See more keywords
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T-Type Multilevel Converter Topologies: A Comprehensive Review

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Published in 2019 at "Arabian Journal for Science and Engineering"

DOI: 10.1007/s13369-018-3506-6

Abstract: Renewable energy systems integration prefers DC–AC converters of high efficiency, low harmonic injection and small size. Multilevel converter (MLC) is preferred compared to two-level converter thanks to its low harmonic injection, even at low switching… read more here.

Keywords: topology; multilevel converter; type multilevel; converter ... See more keywords
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DC fault analysis for modular multilevel converter-based system

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Published in 2017 at "Journal of Modern Power Systems and Clean Energy"

DOI: 10.1007/s40565-015-0174-3

Abstract: DC fault protection is the key technique for the development of the DC distribution and transmission system. This paper analyzes the transient characteristics of DC faults in a modular multilevel converter (MMC) based DC system… read more here.

Keywords: modular multilevel; fault; based system; system ... See more keywords
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Calculation of the number of modules and the switching frequency of a modular multilevel converter using near level control

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Published in 2018 at "Electric Power Systems Research"

DOI: 10.1016/j.epsr.2018.08.019

Abstract: Abstract This paper is focused on the modular multilevel converter (MMC) topology that uses the near level control (NLC) method. Specifically, it addresses the relationship between the number of levels or switching modules, the switching… read more here.

Keywords: near level; modular multilevel; switching frequency; number ... See more keywords
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High voltage repetitive pulsed power generator by using modular multilevel converter

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Published in 2019 at "International Journal of Ambient Energy"

DOI: 10.1080/01430750.2017.1405281

Abstract: ABSTRACT This paper proposes the development of silicon carbide junction field effect transistor-based high-frequency link (HFL) modular multilevel converter (MMC). HFL has been used in conjunction with MMC to achieve higher current density with less… read more here.

Keywords: high voltage; modular multilevel; multilevel converter; voltage repetitive ... See more keywords
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A Unified Arm Module-Based Average Value Model for Modular Multilevel Converter

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2983356

Abstract: Modeling modular multilevel converter (MMC) for electromagnetic transients is challenging due to the massive number of switching devices. The fast and simultaneous switching events lead to high computational burden as the number of submodules in… read more here.

Keywords: converter; model; modular multilevel; average value ... See more keywords
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An Analytical Method to Determine the Optimal Switching of Modular Multilevel Converter in HVDC System

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2020.3047133

Abstract: The lifetime of the submodules (SMs) in a modular multilevel converter (MMC) is significantly impacted by its switching frequency. In this work, the determination of the switching frequency, to be applied to the nearest level… read more here.

Keywords: converter; hvdc system; method; modular multilevel ... See more keywords
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Hybrid Energy Storage System With Active Filter Function for Shipboard MVDC System Applications Based on Isolated Modular Multilevel DC/DC Converter

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Published in 2017 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2016.2642831

Abstract: This paper proposes an isolated modular multilevel dc/dc converter (iM2DC)-based hybrid energy storage system (ESS) for shipboard MVDC grid application. The cell capacitors of the iM2DC are applied to implement the dc active power filter… read more here.

Keywords: modular multilevel; system; isolated modular; energy storage ... See more keywords
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Enhanced Modular Multilevel Converter for HVdc Applications: Assessments of Dynamic and Transient Responses to ac and dc Faults

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Published in 2020 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2020.2983262

Abstract: This paper describes the operating principles and theoretical relationships that underpin the modelling and control system of the enhanced modular multilevel converter (EMMC). A full-scale model of a point-to-point HVdc link that employs EMMCs is… read more here.

Keywords: modular multilevel; enhanced modular; multilevel converter; hvdc ... See more keywords
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A Multiport Power Electronic Transformer Based on Modular Multilevel Converter and Mixed-Frequency Modulation

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Published in 2020 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2019.2931529

Abstract: Power electronic transformer (PET) is a key apparatus in smart grid system, due to the advantages of power controllability and ac/dc grids interconnection. The four-stage PETs have multiple output ports, good controllability, and flexibility, but… read more here.

Keywords: power electronic; electronic transformer; power; topology ... See more keywords
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Performance Enhancement of Single-Phase Grid-Connected PV System Under Partial Shading Using Cascaded Multilevel Converter

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Published in 2018 at "IEEE Transactions on Industry Applications"

DOI: 10.1109/tia.2017.2789238

Abstract: Conventional photovoltaic (PV) single/double stage grid – tie centralized and string inverters suffers from the problem of lower efficiency, high filter size, and limited depth of operation for remaining in connection with the grid, particularly… read more here.

Keywords: cascaded multilevel; multilevel converter; performance; single phase ... See more keywords