The book "Relay protection and automation of electric power systems" is a unique work created by the team of authors, which is a valuable guide for specialists in the field of electric power industry, engineers and students of technical universities. This publication will be an indispensable assistant for all those who are interested in modern technologies of protection and automation in energy systems, as well as for those who seek to deepen their knowledge in this complex but extremely important area. The book examines the key aspects of relay protection and automation, which are the basis for the reliable operation of electric power systems. The authors explain in detail the principles of the relay, their classification and scope of application, as well as describe modern methods of diagnostics and monitoring of equipment. The reader will be able to learn about the various types of protective devices, their functionality and principles of operation, which will allow him not only to better understand the theory, but also to apply the knowledge gained in practice. The book will be of interest not only to professional engineers and technical specialists, but also to students studying in specialties related to electricity, automation and relay protection. It is suitable for those who want to gain a deep understanding of the operation of energy systems and their protection, as well as those who seek career growth in this area. Thanks to the accessible language of presentation and illustrative examples, the material of the book will be understandable even to those who are just starting their way in the electric power industry. The topics raised in the book cover a wide range of issues, such as the management of electric power systems, ensuring their reliability and safety, as well as current trends in the field of automation. The authors emphasize the importance of relay protection to prevent accidents and minimize consequences, which makes this book especially relevant in light of the current challenges facing the energy industry. With the constant growth of electricity consumption and increasing load on the grid, reliability and safety issues are becoming increasingly important. The style of the authors is distinguished by clarity and logical presentation, which allows the reader to easily assimilate complex technical concepts. Each section of the book is accompanied by illustrations and diagrams, which makes the material more visual and understandable. In addition, the authors share practical experience and examples from real practice, which adds practical value to the book. If you are looking for books on relay protection, automation or electric power systems, “Relay protection and automation of electric power systems” will be a real find for you This publication will not only expand your knowledge, but also help you become a more confident specialist in your field. Read, study and apply the knowledge gained in practice and you will see how your understanding of electric power systems and their protection is changing Thus, the book “Relay protection and automation of electric power systems” is not just a textbook, but a real guide to the world of modern technologies, which will help you become an expert in one of the most important and dynamically developing areas. Do not miss the opportunity to get acquainted with this important work and enrich your knowledge in the field of electricity!