Electrical Machines - I Video Lectures, IIT Kharagpur Online Course, free tutorials for free download Electrical Machines - Notes, Tutorials. Electrical machine is a device that convert either mechanical energy to electrical energy or vice versa, and change AC voltage. The academic study of electric machines is the universal study of electric motors and electric generators. By the classic definition, electric machine is synonymous. Electrical Machines - Electric Drives (Fundamentals) Principles. Motor Action; Michael Faraday showed that passing a current through a conductor freely suspended in. An electrical machine is the apparatus that converts energy in three categories: generators which convert mechanical energy to electrical energy, motors which convert. BASIC FEATURES OF ELECTRIC MACHINES The basic structural features of a D.C. machine are: graphite spring loaded to ride on the • Stator - The stator carries the. Hence, it is no wonder that electric machines have occupied a large and revered space in the field of electrical engineering.