Multilevel Converters

Dear Colleagues,

Multilevel converters are currently a well-established power electronics technology. As the output voltage (current) is synthetized from a number of smaller dc voltages (currents) with reduced power semiconductor blocking voltages (nominal currents), multilevel converters were initially developed for high power applications, such as large motor drives and rectifiers, renewable energy generation, high-voltage direct-current transmission systems, or static compensators. However, recent improvements in semiconductor technology, concurrently with the insight learned from  accumulated years of research on the topic, have now made multilevel converters also suitable for medium, even low power applications.

Therefore, multilevel converters are expected to provide significant advantages at all power ratings and in many applications such as, for instance, electric vehicles, battery chargers, renewable power generation, energy storage systems, or power system applications.

The aim of this Special Issue is to publish original research regarding multilevel converters, presenting novel topologies, modulations, controls, related implementation technologies and applications, with the intention to increase efficiency, power density, reliability, robustness, to reduce cost and to comply with regulations. Refinements on existing techniques that introduce significant benefits are also welcome. Original contributions including experimental validation are expected.

Topics of interest include, but are not limited to:

• Multilevel converter topologies, including multi-cell and power converter array topologies.
• Modular multilevel converter design approaches.
• Advanced multilevel modulation techniques.
• Advanced multilevel converter controls.
• Fault tolerance and reliability of multilevel converters.
• Implementation technologies, including integration, design for electromagnetic compatibility, and cooling techniques for multilevel converters.
• Applications of multilevel converters.

Dr. Salvador Alepuz
Dr. Jean-Christophe Crebier
Dr. Sergio Busquets-Monge
Guest Editors

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