The book "Quality of electric energy in electric networks" under the authorship of a team of authors, including Gerasimenko A. A. , is a unique and in-depth study focusing on one of the most pressing topics in the field of energy. With the rapid development of technology and growing demand for electricity, the quality of electricity is becoming an important aspect that affects the efficiency of both industrial enterprises and domestic consumers. From the first pages of the book, the reader plunges into the world of electrical networks, where energy quality is not just a technical term, but a key factor determining the reliability and safety of electricity supply. The authors carefully analyze various aspects related to the quality of electrical energy, including harmonic distortions, voltage fluctuations, frequency and other parameters that can significantly affect the operation of electrical equipment. This makes the book an indispensable source of knowledge for engineers, power engineers and students studying electrical engineering and power engineering. The book will be of interest not only to specialists, but also to a wide range of readers interested in modern technologies, sustainable development and efficient use of resources. It is suitable for both professionals working in the energy sector and those who are just starting their way in this area. Students of technical universities, graduate students and teachers will find useful materials for study and scientific work in it, as well as relevant examples from practice. The topics raised in the book cover a wide range of issues related to the quality of electrical energy. The authors consider methods of diagnostics and monitoring, as well as modern technologies to improve the quality of electricity supply. Important attention is paid to the impact of energy quality on the operation of various devices and systems, which makes the book especially valuable for those involved in the design and operation of electrical systems. The style of the authors is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate complex technical concepts. The book is saturated with examples from real practice, which makes theoretical calculations more understandable and applicable. The team of authors includes experts with extensive experience in the field of energy, which gives the work additional value and authority. If you are looking for literature that will help you to better understand the problems of electricity quality, as well as methods for solving them, then “The quality of electricity in electrical networks” will be a real find for you. This book will not only expand your knowledge, but also inspire new ideas and projects in the field of energy. In conclusion, it is worth noting that this publication is an important contribution to the literature on electrical engineering and energy. It responds to the current challenges of the modern world and offers practical solutions, which makes it indispensable for all who seek to improve and innovate in their professional activities. Do not miss the opportunity to get acquainted with this unique book, which will certainly become your reliable assistant in the world of electric energy.