The Electric Power Industry . Relay protection and automation of electric power systems”, created by the team of authors, is an important work for all who are interested in modern technologies in the field of electric power industry. This edition will be a real guide to the complex but fascinating aspects of relay protection and automation, which play a key role in ensuring the reliability and safety of electric power systems. The book discusses in detail the basic principles of relay protection, its types and methods, as well as modern approaches to automation of processes in the electric power industry. The authors share their knowledge and experience, which allows the reader to gain a deeper understanding of how protection and control systems function, what technologies are used to prevent accidents and minimize risks in power grids. Each section of the book is filled with practical examples and real cases, which makes the material accessible and understandable even for those who are just starting their way in this area. This book will be especially interesting for students of technical universities, graduate students and specialists working in the field of electric power industry. It is suitable for both those who seek to obtain basic knowledge and for professionals who want to deepen their skills and get acquainted with the latest achievements in the field of relay protection and automation. In addition, the book will be useful to engineers, designers and managers involved in the development and implementation of new technologies in electric power systems. The topics raised in the book cover a wide range of issues, including the principles of operation of various types of relays, diagnostic and monitoring methods, as well as current trends in the automation of electric power systems. The authors emphasize the importance of reliability and safety, which makes the book relevant in light of the growing requirements for the quality of electricity and the sustainability of power systems. With the rapid development of technologies and increasing load on energy networks, understanding these aspects becomes especially important. The style of presentation of the authors is clear and logical, which allows the reader to easily assimilate complex technical concepts. The book is written taking into account the modern realities and needs of the industry, which makes it not only a theoretical manual, but also a practical guide for specialists. It uses up-to-date data and research, which confirms its scientific value and practical significance. If you are looking for literature on relay protection, automation, electric power systems, then this edition will be a great addition to your library. The Electric Power Industry . Relay protection and automation of electric power systems” is not just a collection of knowledge, but a real find for everyone who seeks to be at the forefront in the field of technologies related to electricity. Do not miss the opportunity to immerse yourself in the world of electricity, where each element of the system plays its own unique role, and understanding these processes opens up new horizons for professional growth and development. Read, learn and apply the knowledge gained in practice and you will be able to contribute to the creation of safer and more efficient energy systems