Emphasizing a practical conception of system unbalances, basic circuits, and calculations, this essential reference/text presents the foundations of symmetrical components with a review of per unit (percent), phasors, and polarity--keeping the mathematics as simple as possible throughout According to IEEE Electrical Insulation Magazine, озожъ this book "…provides students and practicing engineers with a fundamental understanding of the method of symmetrical components and its applications in three-phase electrical systems A useful feature of this book is the incorporation of numerous examples in the text and 30 pages of problems " 1 edition Автор Дж Льюис Блэкберн J Lewis Blackburn.  Мягкое отшелушивающее1993 г Твердый переплет, 448 стр ISBN 0824787676.