Abstract
Multilevel Modular Converters (MMC) are popular type for lowering the Electromagnetic interference (EMI) emissions in high voltage and medium voltage applications. Next to the inherent reduction of EMI associated with MMC much can be gained by tuning its own components and operating algorithms. This paper presents a study on the relation between the emission levels and the submodule (SM) capacitors voltage balancing techniques. Level Shifted Pulse Width Modulation (LSPWM) with sensor-less balancing algorithm and Phase Shifted Pulse Width Modulation (PSPWM) are investigated in this paper.
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