Serg specializes in automation and electric-drive systems, with hands-on work in asynchronous motor control including frequency, frequency-current, and vector control for squirrel-cage rotor designs. They cover production automation for drawing mill lines, packaging equipment, conveyors, and gas boiler houses, as well as DC drive operation and repair. Their work also includes Schneider Electric frequency converters, with lessons available in English, Ukranian, or Russian.