Electrical Installations and Systems . ELTA Program for Calculation of Electrothermal Processes and Installations” edited by M. In. Pervukhina is a unique work that will become an indispensable assistant for specialists in the field of electrical technologies, students and teachers of technical universities. This publication contains not only theoretical foundations, but also practical aspects that will help the reader to better understand complex electrothermal processes and their application in various installations. The book examines in detail the electrotechnological installations that play a key role in modern production processes. The reader will be able to get acquainted with the basic principles of the work of such installations, their design features and methods of calculation. Special attention is paid to the ELTA program, which is designed for modeling and calculating electrothermal processes. This program enables analysis and optimization of plant operations, making it an important tool for engineers and researchers. The book will be of interest not only to professionals in the field of electrical technologies, but also to students studying electrical engineering, physics and related disciplines. It is suitable for readers of different ages, from high school students interested in technical sciences, to experienced professionals who want to update their knowledge and master new methods of calculation. Thanks to the accessible language of presentation and a clear structure, the book will be an excellent tool for both self-study and for use in the educational process. The topics raised in the book cover a wide range of issues related to electrothermal processes. Readers will be able to learn about the principles of operation of various installations, such as induction furnaces, electric arc installations and other technologies used in metallurgy, electrochemistry and other industries. The book also addresses issues of ecology and energy efficiency, which makes it especially relevant in the context of modern production, where not only performance is important, but also minimizing the negative impact on the environment. The style of the author and the team of authors is distinguished by scientific rigor, supported by practical examples and illustrations, which makes the material more clear and understandable. M. In. Pervukhin is a well-known specialist in the field of electrical technologies, and his other works also deserve attention. Among them are studies on new methods of material processing and optimization of production processes, which emphasizes his deep understanding of the subject and the desire to introduce innovations into practice. Electrical Installations and Systems . The ELTA program for the calculation of electrothermal processes and installations is not just a textbook, but a whole world of knowledge that opens up new horizons for the reader in the field of electrical technologies. If you want to deepen your knowledge, master new technologies and become a professional in your field, this publication will become your reliable companion along the way. Do not miss the opportunity to get acquainted with this unique book, which will help you become an expert in electrothermal processes and installations.