Modulation, Losses, and Semiconductor Requirements of Modular Multilevel Converters

By Steffen Rohner, Steffen Bernet, Marc Hiller, Rainer Sommer. IEEE transactions on industrial electronics (1982. Print), 2010

950 citations recorded by the source corpus.

Subfields: Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/da25f6d45fbf4673c4f4cafd07c0a347285f02f5

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In Electrical and Electronic Engineering

Citations in the corpus

Steady-State Analysis of Interaction Between Harmonic Components of Arm and Line Quantities of Modular Multilevel Converters (2012, background): “The basic operation [1]–[3], [12] and the internal dynamics [13] have been described, but no explicit analytical expressions for the arm currents have been presented so far.”
A New Multilevel Converter Topology With Reduced Number of Power Electronic Components (2012, background): “At a particular temperature, the semiconductor specifications (from the manufacturer) can be used to approximate semiconductor losses [22].”
Characteristic Investigation and Control of a Modular Multilevel Converter-Based HVDC System Under Single-Line-to-Ground Fault Conditions (2015, background): “which enables flexible control and uninterruptable performance with unbalanced input voltages [9], [10].”
Dynamic Analysis of Modular Multilevel Converters (2013, background): “, as presented in [7]–[9], [19], [24], and [25].”
A Transformerless Medium-Voltage STATCOM Topology Based on Extended Modular Multilevel Converters (2011, background): “Due to the modularity of these converters, they are very attractive for high voltage dc transmission (HVDC), flexible ac transmission systems (FACTS), and medium-voltage drives [11], [12].”
An Inner Current Suppressing Method for Modular Multilevel Converters (2012, background): “According to (4) and (6), the reference voltage for the upper and lower arms can be expressed as [6], [12], [13]”
Experimental Comparison of Model Predictive Control and Cascaded Control of the Modular Multilevel Converter (2015, background): “In this case, the converter usually has a low number of submodules, thus a higher switching frequency is needed to increase the quality of the output voltage [6].”
Circulating Current Suppressing Strategy for MMC-HVDC Based on Nonideal Proportional Resonant Controllers Under Unbalanced Grid Conditions (2015, background): “Some voltage-balancing algorithms, by sorting the capacitors’ voltage, were proposed in [12], [19]–[21].”
Modeling and Control of a Modular Multilevel Converter-Based HVDC System Under Unbalanced Grid Conditions (2012, background): “Usually, the SMs switched at ON-state are half of all the SMs in one phase unit [8].”
Analysis of the Phase-Shifted Carrier Modulation for Modular Multilevel Converters (2015, methodology): “Furthermore, [16] and [26] extend the application scope of NLC by introducing one SM working in PWM operation.”
Suppressing DC Voltage Ripples of MMC-HVDC Under Unbalanced Grid Conditions (2012, background): “M ODULAR multilevel converter (MMC) is very suitable for voltage-source-converter (VSC)-based HVDC transmissions (VSC–HVDC) [1]–[6].”