Systematization of energy electronics devices in the power system (Back-to-Back converters, FACTS devices) applied in power systems. Methods and algorithms for managing converters. Influence on the electric power quality – positive and negative influences. Quality standards. Universal devices. Comparative analysis and economic feasibility estimation. New solutions. Part of the course is conducted through individual research and study work in the field of the application of power electronics in power systems and their influences on the electric power quality. The study and research work is based on active study of primary scientific sources, organization and performance of experiments and statistic data processing, numerical simulations, and writing a paper in the narrow scientific area within the topic of the Doctoral dissertation.