New transformerless, scalable Modular Multilevel Converters for HVDC-transmission

By Silke Allebrod, Roman Hamerski, Rainer Marquardt. 2008 IEEE Power Electronics Specialists Conference, 2008

813 citations recorded by the source corpus.

Subfields: Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/6bbee89d491b42d5c6331fc0309f0edaf25af381

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In Electrical and Electronic Engineering

Citations in the corpus

High-Power Modular Multilevel Converters With SiC JFETs (2010, background): “The driving factor is not only the problem to remove the heat caused by the losses, but also the cost for the energy losses, as this cost is usually accounted for when evaluating the total cost for the converter in these applications [1].”
Unidimensional Modulation Technique for Cascaded Multilevel Converters (2009, background): “Several topologies have found industrial acceptance: the already classical three-level neutral point clamped (NPC), cascaded H-bridge (CHB), and four-level flying capacitor [4]; and the more recent active NPC (ANPC) [6], the modular multilevel converter [ 7 ], [8], and the five level H-bridge NPC [9”
Modeling and Control of VSC-HVDC Links Connected to Weak AC Systems (2010, background): “Thus, the fault recovery can be faster [39].”
Modular Multilevel Converters for HVDC Applications: Review on Converter Cells and Functionalities (2015, background): “The first group of MMC which corresponds to the first idea of modular converters for an HVDC application is proposed in [93]–[104] and is called the modular multilevel converter (M2LC).”
HVDC Circuit Breakers: A Review Identifying Future Research Needs (2011, background): “pacitors discharge and add to the fault current [24], [25].”
Voltage Balancing and Fluctuation-Suppression Methods of Floating Capacitors in a New Modular Multilevel Converter (2013, background): “The MMC is suitable for high-voltage power conversion due to its modular structure, simple voltage scaling, and common dc bus [15]–[17].”
Steady-State Analysis of Interaction Between Harmonic Components of Arm and Line Quantities of Modular Multilevel Converters (2012, background): “Since the M2C, which was first presented in [1]–[4], combines excellent output voltage waveforms with very high efficiencies [5], [6], it is ideal for high-voltage high-power applications such as high-voltage direct current transmission [5], [6], highpower motor drives [7]–[10], and electric railway”
Nonunit Protection of HVDC Grids With Inductive DC Cable Termination (2016, background): “The discharge of the submodule capacitors is limited by the arm reactors and can be stopped by blocking the converter IGBTs [20].”
Modelling, simulation and analysis of a Modular Multilevel Converter for medium voltage applications (2010, methodology): “In order to investigate the competitive ability of the M2C, semiconductor losses and efficiencies of the M2C and the 2L VSC have been calculated and compared [23].”
Modular Multilevel Converter Models for Electromagnetic Transients (2014, background): “Moreover, switching frequency and transient peak voltages on IGBT devices are lower in MMCs, which reduces converter losses [4].”
VSC-Based HVDC Power Transmission Systems: An Overview (2009, background): “16(b)] is presented in [81] and examined for HVdc applications [82], [83].”
Modulation, Losses, and Semiconductor Requirements of Modular Multilevel Converters (2010, methodology): “A comparison of the semiconductor power losses of the 2L-VSC and the M2C of the basis of a generalized analytical method is given in [ 29 ].”
Modular Multilevel Converter: An universal concept for HVDC-Networks and extended DC-Bus-applications (2010, neutral): “Known Three-Level- or Multilevel Converters would enable a better reduction of unwanted line side harmonics, but need a very complex construction – hampering industrial series application and leading to a limited low number of voltage levels [4], [5].”
A Surgeless Solid-State DC Circuit Breaker for Voltage-Source-Converter-Based HVDC Systems (2014, background): “Two-level and three-level VSCs have been installed in the 2000s, and modular multilevel converters (MMCs) [2], [3] have been also put to practical use since 2010.”
Modeling and Control of a Modular Multilevel Converter-Based HVDC System Under Unbalanced Grid Conditions (2012, background): “Another advantage of the high-level number is that low switching frequency modulation scheme can be adopted to reduce semiconductor switching losses [5], [11]–[13].”
Dynamic performance of a modular multilevel back-to-back HVDC system (2010, background): “However, the MMC-HVDC system has neither been comprehensively analyzed nor its control strategies and operational characteristics been adequately investigated [12]‐[ 15 ].”