The book “Relay protection” by Mikhail Alekseevich Kuznetsov is a fascinating and in-depth study in the field of electrical engineering, which will become an indispensable tool for both students and professionals in the field of energy and electrical equipment . In this work, the author not only shares his knowledge and experience, but also immerses the reader in the world of relay protection, revealing all the nuances and subtleties of this important area. From the first pages of the book, the reader is in the center of discussion of key concepts and principles of relay protection. Kuznetsov masterfully explains how the relays function, what their types are and how they are used to ensure the reliability and safety of electrical systems. He not only expounds the theory, but also reinforces it with practical examples, which makes the material accessible and understandable. This is especially important for those who are just beginning their journey in electrical engineering or want to deepen their knowledge in this field. The book will be of interest to a wide range of readers: from students of technical universities to experienced engineers and specialists working in the field of energy. If you are fond of electrical engineering, want to understand modern relay protection systems or just looking for a reliable source of information for preparing for exams, “Relay protection” will be a real find for you The topics raised in the book cover not only technical aspects, but also issues of safety, reliability and efficiency of electrical systems. Kuznetsov emphasizes the importance of relay protection in modern conditions, when the reliability of power supply becomes critical for the functioning of both industrial and domestic facilities. The reader will be able to learn about current trends in the field of relay protection, as well as about new technologies and methods that are actively introduced into practice. Kuznetsov's style is distinguished by clarity and logical presentation. He is able to explain complex technical concepts, which makes his books popular among readers. Mikhail Alekseevich is the author of several other works on electrical engineering and automation, and his experience in this area allows him to share valuable knowledge and practical recommendations. If you are interested in such works as "Basics of electrical engineering" or "Automation of electrical systems", "Relay protection" will be a logical continuation of your reading. The book also raises important questions about the future of relay protection in the context of the rapid development of technology. How will the requirements for protection systems change? What new solutions will appear on the market? Answers to these questions will help the reader not only to better understand the current state of affairs, but also to prepare for future challenges in the field of electrical engineering . In conclusion, Mikhail Alekseevich Kuznetsov’s “Relay Protection” is not just a textbook, but a real encyclopedia of knowledge for all who are interested in electrical engineering and relay protection. This book will be your reliable companion in the study of the complex but fascinating aspects of electrical systems, opening up new horizons and opportunities for you. Do not miss the chance to immerse yourself in the world of relay protection and expand your knowledge with the help of this wonderful work!