Advanced Multilevel Power Converters for Grid Integration of Renewable Energy Resources

Dear Colleagues,

Power systems across the globe are experiencing an increased integration of renewable energy resources demanding the power system operators to explore and enforce new grid-forming and grid-supporting regulations and requirements to ensure the quality and reliability of the grid. Hence, renewable energy systems are required to be equipped with advanced features and control strategies to provide the required supporting functionalities to the grid such as power reserve control, frequency response, reactive power control, and so on. Given power electronic technologies will, therefore, be responsible for the control of power between most renewable sources, energy storage devices and the grid, they will play a key role in the upcoming grid-transformation process. Multilevel converters have become a standard for such applications as medium voltage drives, HVDC and FACTS, and are promising for the integration of renewable energy sources and energy storage systems. Therefore, this Special Issue focuses on advanced multilevel converters for the integration of renewable energy resources. Topics of interest for publication include, but are not limited to:

• Multilevel power converter topologies for renewable energy resources with and grid-forming and/or grid-supporting functionalities;
• Modulation, control and optimisation of the multilevel converters;
• Impact of grid-forming and grid-supporting renewable energy resources in power system operation;
• Optimized operation of renewable energy systems in weak grids;
• Fault-tolerant and reliable multilevel converters;
• Voltage source and current source converters;
• The role, design and optimisation of dc-dc conversion stages.

Dr. Georgios Konstantinou
Dr. Christoper D. Townsend
Dr. Hossein Dehghani Tafti
Guest Editors

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