Dear Colleagues,

Maintaining the quality of life of modern society is associated with increasing energy needs, and declining stocks of energy resources inevitably lead to the need for their efficient and sustainable consumption. The main units in the process of energy conversion are power electronic devices and power electronic systems. The significance of these studies is indisputable—the improvement of the efficiency of electricity conversion by only a few percentage points, with the current volumes of global consumption, will lead to savings significantly exceeding the entire production of a number of countries. This will have a direct effect by reducing harmful emissions and improving the environment.

It is therefore crucial that researchers working in the field of power electronic converters and power electronic systems have sufficient modern knowledge and tools, as well as access to the experience and achievements gained. This is the purpose of this Special Issue: for engineers and scientists who have gained new knowledge and experience while working in the field of power electronic devices and power electronic systems to disseminate and multiply them.

In this Special Issue, we expect contributions from the fields of research related to the adaptation, development, and implementation of artificial intelligence techniques in the modeling, design, control, and operation of power electronic devices and power electronic systems.

The area of interest of the Special Issue is vast. We expect contributions on the following topics:

• Modeling of power electronic devices and systems;
• Innovative control of power electronic devices and systems;
• Optimal design of power electronic devices and systems;
• Maintenance of power electronic devices and systems;
• Energy harvesting and storage;
• Power electronic converters in industrial technology;
• Charging infrastructure for electric vehicles;
• Power electronic converters for electric vehicles;
• Smart grids;
• Smart city;
• IoT for sustainable energy conversion;
• Cybersecurity in power electronic systems.

Prof. Dr. Nikolay Hinov
Prof. D.Sc. Valeri Mladenov
Guest Editors

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• power electronic converters
• power electronic systems
• artificial intelligence
• mathematical modeling
• control theory and applications
• circuits and systems