The monograph deals with brushless electrical machines principles of construction and design, theoretical issues, as well as operational requirements. Such issues as the brushless electrical machines and creation of opportunities for efficiency improvement techniques are considered. New classification of brushless electrical machines is offered. Monograph is provided for students and specialists of electrical power engineering, electromechanics and electrical technology. Monograph consists of two parts. The total number of pages: 275, with 178 illustrations, 101 bibliographic sources are used.