**Preface to "High-Efficiency and High-Performance Power Electronics for Power Grids and Electrical Drives"**

Power electronics have enabled the transition from rotating to static power conversion and radically transformed the way we condition electrical energy in stationary and non-stationary applications. As a result, power electronic converters are pervasive in today's society. They are available in many variants, each with pros and cons, and their rated power keeps increasing significantly. Many successful applications have already been deployed. However, the urge for a sustainable future requires further performance increase in terms of efficiency, power density, power quality, cost, robustness to faults, as well as stable operation and high dynamic performance in several operating conditions. These results can be obtained by leveraging different approaches such as advanced converter topologies, innovative control techniques, and wide bandgap power devices.

Based on the above premises, this Special Issue collects papers addressing techniques to improve the efficiency and performance of the application of power electronics in power grids and electrical drives. Such papers can be grouped into three categories:


The articles published in this Special Issue contribute to expanding the scientific knowledge in the field of power electronics and offer valuable insights into the recent developments for researchers, scholars, and practitioners working in such a field.

The Guest Editor is grateful to the MDPI publisher for the invitation to hold such a position for this Special Issue of *Energies*. He would also like to thank all the authors and reviewers for their commitment that led to the success of this Special Issue. Furthermore, he is very grateful to the editorial staff of Energies, especially to Ms. Vickie Zhang for her valuable cooperation and support.

> **Massimiliano Luna** *Editor*
