During the last few decades, multilevel converters (MLC) have drawn the attention of power electronics experts gaining applications and reaching good level of performance and popularity. Until now, research has focused on their utilization in high power applications, such as renewable energy sources, distributed generation, smart grids, and large electric drives; however, due to their excellent overall performance, their diffusion is expected in medium and, in future, in low power applications. Topologies, control, and modulation represent the main research areas for multilevel converters; however, the scopes of this Special Issue are strictly related to last two aspects, whereas topologies will be considered for a future Special Issue. Often, MLCs implement control algorithms developed for conventional converters. The modulation technique, instead, is strictly connected with MLC, its application, topology, and adopted power devices. Therefore, one of the main scopes of this Special Issue is to publish original manuscripts specifically developed for multilevel converters. Depending on application, modulation can operate at low switching frequency, thus with very low switching losses but at the cost of limited dynamic performance or at high or relatively high switching frequency with a pulse width modulation algorithm, therefore achieving high dynamic performance but at the cost of significant switching losses. This Special Issue will deal with novel control and modulation techniques specifically developed for multilevel power converters.
Topics of interest for publication include but are not limited to: New modulation strategies for multilevel converters; New digital models for analysis and control of multilevel converters; Impulsive control techniques for multilevel converters; Impulsive observation techniques for multilevel converters.