This lecture introduces the principles of electric propulsion, focusing on its applications in various fields such as rail transport and marine engineering. The instructor discusses the importance of electric energy, highlighting its advantages over traditional energy sources. Key topics include the mechanics of electric locomotives, the role of electric motors in marine propulsion, and the conversion of electrical energy into mechanical energy. The lecture also covers the characteristics of different types of electric machines, including synchronous and asynchronous motors, and their operational principles. The instructor emphasizes the significance of energy efficiency in electric systems and explores the challenges of energy storage and distribution. Additionally, the lecture touches on the integration of electric propulsion in modern vehicles, including electric cars and innovative transportation solutions. Throughout the session, the instructor engages with the audience, encouraging them to consider the broader implications of electric propulsion technology in today's energy landscape.