Tambov: - , 2010. 260 s. 400 copies. Generalized information about the properties and methods of analysis of three-phase electrical networks. Various problems in this area with solutions are presented, laboratory work on the study of three-phase circuits operating in different modes with the use of computer modeling elements is presented, tests for independent study of three-phase electrical circuits. are proposed. It is intended for students studying the disciplines "Theoretical Fundamentals of Electrical Engineering", "Electric Power Systems and Electrical Networks", "Transitional Processes in Power Supply Systems" in the direction of training 140200 "Electric Power Engineering" .