Modular Multilevel Converters for Medium/High-Power Applications
This MOOC is an introduction to the Modular Multilevel Converter (MMC) and its basics of operation and control.
The modular multilevel converter (MMC) has become the most attractive multilevel converter topology for medium/high-power applications, specifically for voltage-sourced converter high-voltage direct current (VSC–HVDC) transmission systems. In comparison with other multilevel converter topologies, the salient features of the MMC include:
Modularity and scalability to meet any voltage level requirements,
High efficiency, which is of significant importance for high-power applications,
Superior harmonic performance, specifically in high-voltage applications where a large number of identical submodules (SMs) with low-voltage ratings are stacked up, thereby the size of passive filters can be reduced, and
Absence of dc-link capacitors. Over the past few years, there has been a significant effort towards addressing the technical challenges associated with the operation and control of the MMC as well as broadening its applications.
The main intention of this MOOC is to introduce the MMC topology and its operational and control challenges along with the most recent solutions to address those challenges.
How You Will Benefit
Introduced to the MMC topology
Learn operational and control challenges
Learn about the most recent solutions to address those challenges
Who Should Attend
This course is for someone with knowledge of Semiconductor devices, circuits, basics of power electronics and control theory.
Space phasors and alpha-beta reference frame, Space vector modulation for three-phase inverters, Current control mode of inverters
Modeling of three-phase grid-connected inverters, Closed-loop control of three-phase inverters
Basics of multilevel converters, Various multilevel converter topologies
Basics of cascaded half-bridge and full-bridge modules, Control aspects of the modular multilevel converter, Circulating current control
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