The book "Transformers of single-phase and multiphase alternating currents", created by the team of authors, is an important work in the field of electrical engineering and energy, which will be of interest to both students and professionals working in this field. This publication is not just a textbook, but a real encyclopedia of knowledge about transformers, their device, principles of operation and application in modern power supply systems. The book deals with both single-phase and multi-phase transformers, which makes it especially valuable for professionals involved in the design and operation of electrical networks. The authors explain in detail the basic principles of operation of transformers, their design features, as well as various connection schemes. The reader will be able to learn about how transformers affect the quality of electricity, how they help in managing loads and ensuring the stability of power grids. One of the key themes of the book is the analysis of different types of transformers and their application in real-world conditions. The authors share the experience gained over the years in the field of energy, and offer readers practical recommendations for the selection and operation of transformers. This makes the book especially useful for engineers and technicians who are looking for ways to optimize their systems. The book will be of interest not only to specialists, but also to students of technical universities studying electrical engineering and energy . It can be a great addition to teaching materials and will help to understand more deeply the complex concepts associated with transformers. Thanks to the accessible style of presentation, even those who are just starting their way in this area will be able to easily assimilate the material. The topics raised in the book go beyond purely technical aspects. The authors also touch on the sustainability of energy systems, the impact of transformers on environmental safety and energy efficiency. These aspects make the book relevant in the context of today's challenges facing the energy industry, and highlight the importance of transformers in providing reliable and secure electricity supply. The style of the authors is clear and logical, which makes it easy to follow the presentation of the material They use many illustrations, diagrams and examples from practice, which makes the study all the more visual and fascinating. This edition will be an excellent assistant for those who want not only to study the theory, but also to see how it is applied in practice. If you are looking for books on electrical engineering that will help you understand the work of transformers, pay attention to such works as “Electric Machines” and . Kuznetsova or "Fundamentals of Electrical Engineering" A. In. Kostyukova . These books can also complement your knowledge and deepen your understanding of topics related to transformers and their role in energy systems. In conclusion, Transformers of Single and Multiphase Alternating Currents is not just a book, but a valuable resource that will help you understand the complex but fascinating field of electrical engineering. It will become an indispensable assistant for both students and practitioners seeking professional growth and deepening of their knowledge. Do not miss the opportunity to discover the world of transformers and their impact on energy - this book will be your reliable guide on this exciting journey