PROJECT TITLE :
Dual Flying Capacitor Active-Neutral-Point-Clamped Multilevel Converter
Hybrid multilevel converters combine features of conventional multilevel topologies to provide an acceptable tradeoff between the advantages and disadvantages of those converters. For many industrial applications, common dc link is a demand that limits the choice of topologies to neutral point clamped (NPC) and flying capacitor multicell (FCM) hybrid types. This paper investigates the operation of a hybrid five-level topology and proposes a modulation method that takes the advantage of the combined features of NPC and FCM. The twin flying capacitor (FC) active-neutral-purpose-clamped (DFC-ANPC) converter provides bound benefits such as natural soft switching of line frequency switches, elimination of the transient voltage balancing snubbers, and a additional even loss distribution. Simulation results and experimental verification of the five-level DFC-ANPC converter are presented to validate the performance of the converter also as the applied modulation technique.
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